CN114571371B

CN114571371B - Rust removal treatment equipment for boiler head

Info

Publication number: CN114571371B
Application number: CN202210477608.8A
Authority: CN
Inventors: 赵少华
Original assignee: Yantai Ruiming Metal Material Co ltd
Current assignee: Penglai Guobin Winery Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-07-29
Anticipated expiration: 2042-05-05
Also published as: CN114571371A

Abstract

The invention belongs to the field of boiler head processing, and relates to a rust removal treatment device for a boiler head, which comprises a boiler head body rotating table, a processing table and a spray gun, wherein a servo motor is arranged in the rotating table, a turntable is arranged on the output end of the servo motor, the rust removal treatment device also comprises a positioning mechanism, a transmission mechanism, a manual screw rod sliding table and a lifting mechanism, the positioning mechanism comprises a bearing assembly and a plurality of positioning assemblies, the rotating table and the processing table are arranged at intervals, the bearing assembly is arranged at the center of the top of the rotating table, all the positioning assemblies are distributed around the bearing assembly at equal angles, and arc-shaped racks are arranged on the side wall of the turntable. According to the invention, boiler end socket bodies with different sizes can be positioned without manually operating the bearing assembly and the positioning assembly, and the spray gun can intermittently and automatically lift through the cooperation of the arc-shaped rack, the transmission mechanism and the lifting mechanism, so that the action range of the spray gun is enlarged, and the rust removal effect is improved.

Description

Rust removal treatment equipment for boiler head

Technical Field

The invention relates to the field of boiler head processing, in particular to a rust removal treatment device for a boiler head.

Background

The end cap is an element for sealing the end of the container to isolate the internal and external media, and is also called an end cap. The boiler head shell mainly comprises three parts: spherical cap, transition arc ring and cylindrical shell straight flange. Generally, when the boiler is used, the straight edge of the cylindrical shell is welded with the main body of the boiler, so that the end socket is welded on the whole main body of the boiler to realize sealing. However, the straight edge of the cylindrical shell is easy to rust, so that the welding use condition is influenced.

Chinese patent publication is CN 112570849A's a rust cleaning treatment equipment of boiler head, including rust cleaning drive arrangement and positioner, the boiler head is placed positioner is last, and rust cleaning drive arrangement sets up the side at the positioner of boiler head, through rust cleaning drive arrangement carries out the rust cleaning to the boiler head and handles, fixes a position the boiler head through positioner, and rust cleaning drive arrangement has detached the corrosion of cylindrical shell straight flange, avoids the corrosion to follow-up welded influence.

The above patents still have disadvantages: 1. when the boiler end socket is positioned, the positioning can be realized only by sequentially rotating all the screws, so that the operation is complicated; 2. the unable automatic rising of spray gun, the area that the spray gun used on the boiler head is limited, and the boiler wind head straight flange can't once only remove the embroidery, only stops equipment, and the position of manual regulation spray gun just can change the effect area of spray gun.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the invention provides a rust removal treatment device for a boiler end socket, which aims to solve the problem that the straight edge of a cylindrical shell of the boiler end socket rusts to influence the welding use condition.

The invention provides a rust removal device for a boiler end socket, which comprises a boiler end socket body, a rotating table, a processing table and a spray gun, wherein a servo motor is arranged in the rotating table, the output end of the servo motor penetrates through the rotating table, a rotating disc is arranged on the output end of the servo motor, the rotating table and the processing table are arranged at intervals, the rust removal device also comprises a positioning mechanism, a transmission mechanism, a manual screw rod sliding table and a lifting mechanism, the positioning mechanism comprises a bearing component for bearing the bottom of the boiler end socket body and a plurality of positioning components for positioning the side wall of the boiler end socket body, the bearing component is arranged at the center of the top of the rotating table, all the positioning components are distributed at equal angles around the bearing component, the transmission mechanism is arranged on the side wall of the rotating table, the manual screw rod sliding table is arranged on the processing table, the lifting mechanism is arranged on a sliding table of the manual screw rod sliding table, an arc-shaped rack is arranged on the side wall of the rotating table, the arc-shaped rack and the lifting mechanism are in transmission connection with the transmission mechanism, and the spray gun is arranged on the lifting mechanism.

In some embodiments, the bearing component comprises a base and a bearing seat, a first mounting groove is formed in the top of the base, a first spring is arranged in the first mounting groove, a second mounting groove is formed in the bottom of the bearing seat, an inner concave arc surface matched with the bottom of the boiler head body is arranged at the top of the bearing seat, the base is arranged at the top of the rotary table, the bearing seat is arranged in the first mounting groove in a sliding mode, and the top of the first spring is abutted to the groove top of the second mounting groove.

In some embodiments, the positioning assembly comprises a positioning rod, a supporting seat and a second spring, the head end of the positioning rod is provided with a positioning wheel, the tail end of the positioning rod is provided with a connecting block, the rod body of the positioning rod is provided with a notch with an arched cross section, the supporting seat is provided with a translation sliding groove, the positioning rod is arranged in the translation sliding groove in a sliding manner, the second spring is sleeved on the positioning rod, and two ends of the second spring are fixedly connected with the supporting seat and the connecting block respectively.

In some embodiments, the transmission mechanism includes a cantilever, a first rotating seat and a first gear, the top of the first rotating seat is rotatably mounted with a first rotating shaft, the circumference of the first gear is not greater than the arc length of the arc rack, the cantilever is horizontally arranged on the side wall of the rotating table, the first rotating seat is arranged on the cantilever, the first gear is arranged on the first rotating shaft, and the first gear is meshed with the arc rack.

In some embodiments, the lifting mechanism comprises a second rotating seat, a rotating rod, a guide rod, a second gear and a suspension rod, wherein an external thread is arranged on the outer wall of the upper end of the rotating rod, a threaded hole and a guide hole are formed in the suspension rod, a telescopic groove is formed in the head of the suspension rod, a telescopic rod is slidably arranged in the telescopic groove, a locking component for locking the telescopic rod is arranged on the side wall of the suspension rod, the circumference of the second gear is not more than half of the circumference of the first gear, the second rotating seat is arranged on a sliding table of a manual screw rod sliding table, the rotating rod is vertically rotatably arranged on the second rotating seat, the guide rod is positioned beside the second rotating seat, the second gear is fixedly connected on the rotating rod and meshed with the first gear, the suspension rod is arranged at the upper end of the rotating rod through a threaded hole and is in sliding fit with the guide hole, the spray gun is arranged at the head of the telescopic rod.

In some embodiments, the locking assembly comprises a support block, a sliding rod, a third spring and a locking strip, the head of the sliding rod is provided with a locking block, the locking block is provided with a first wedge surface and a first limit plane, the tail of the sliding rod is provided with a limit block, the locking strip is provided with a plurality of locking grooves which are arranged at equal intervals, the locking grooves are internally provided with a second wedge surface and a second limit plane, the side wall of the telescopic rod is provided with a convex block, the groove wall of the telescopic groove is provided with a moving groove for the convex block to move, the support block is vertically arranged on the convex block, the sliding rod is arranged on the support block in a sliding manner, the third spring is sleeved on the sliding rod, the two ends of the sliding rod are respectively fixedly connected with the support block and the limit block, the locking strip is fixedly connected to the top of the suspension rod, the locking block is positioned in one of the locking grooves, and the first wedge surface is abutted against the second wedge surface, the first limiting plane is abutted against the second limiting plane.

In some embodiments, the number of the locking assemblies is two, the two locking assemblies are symmetrically arranged on the lug and the suspension rod, and the limiting blocks of the two locking assemblies are connected with each other.

In some embodiments, the head of the telescopic rod is provided with a second rotating shaft, the second rotating shaft is rotatably provided with a U-shaped frame, the second rotating shaft is provided with a locking sleeve in a threaded manner, and the number of the spray guns is two, and the two spray guns are symmetrically arranged on the U-shaped frame.

The invention has the beneficial effects that:

the boiler head rust removal processing equipment adopts the bearing assembly to bear the bottom of the boiler head body, then automatically positions the boiler head body through all the positioning assemblies, the bearing assembly and the positioning assemblies are not required to be operated manually, the servo motor drives the rotary table to rotate, and the arc-shaped rack and the transmission assembly can intermittently drive the lifting mechanism to lift the spray gun, so that the automatic lifting of the spray gun is realized, and the rust removal action range of the spray gun is enlarged.

Secondly, according to the rust removing treatment equipment for the boiler seal head, the first gear can be driven to rotate for at least one circle by clockwise or anticlockwise rotating the rotary disc for one circle, and then the second gear is driven by the first gear and the rotary rod rotates for at least two circles, so that the suspension rod and the spray gun can automatically ascend or descend.

Thirdly, when the telescopic rod is pulled out to move towards the rotary table, the first wedge surface of the locking block and the second wedge surface of the locking groove are matched in a wedge surface mode, the locking block can be pulled out smoothly, the locking block cannot move reversely due to the fact that the first limiting plane and the second limiting plane are in collision, the automatic locking effect is achieved, locking can be released only by pulling the limiting block, and operation is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a rust removing treatment apparatus of the present invention;

FIG. 2 is a side view of the rust removing treatment apparatus of the present invention;

FIG. 3 is a partial schematic view I of the rust removing treatment apparatus of the present invention;

FIG. 4 is a cross-sectional view of the load bearing assembly;

FIG. 5 is a partial schematic view II of the rust removing treatment apparatus of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a partial schematic view of the locking assembly.

Reference numerals: 1. a boiler head body; 2. a rotating table; 21. a turntable; 211. an arc-shaped rack; 3. a processing table; 4. a load bearing assembly; 41. a base; 411. a first mounting groove; 42. a bearing seat; 421. a second mounting groove; 422. an inner concave cambered surface; 43. a first spring; 5. a positioning assembly; 51. positioning a rod; 511. notching; 52. a supporting base; 53. a second spring; 54. positioning wheels; 55. connecting blocks; 6. a transmission mechanism; 61. a cantilever; 62. a first rotating base; 63. a first gear; 64. a first rotating shaft; 7. a manual screw rod sliding table; 8. a lifting mechanism; 81. a second rotating base; 82. rotating the rod; 83. a guide bar; 84. a second gear; 85. a suspension rod; 851. a telescopic groove; 852. a moving groove; 86. a telescopic rod; 861. a bump; 862. a second rotating shaft; 863. a U-shaped frame; 864. a locking sleeve; 87. a locking assembly; 871. supporting a block; 872. a slide bar; 873. a third spring; 874. a locking block; 875. a first wedge surface; 876. a first limit plane; 877. a limiting block; 878. a locking bar; 879. a locking groove; 880. a second wedge surface; 881. a second limit plane; 9. a spray gun.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

In the present embodiment, as shown in fig. 1 to 7, a rust removing apparatus for a boiler head includes a boiler head body 1, a rotating table 2, a processing table 3 and a spray gun 9, a servo motor is disposed in the rotating table 2, an output end of the servo motor penetrates through the rotating table 2, a turntable 21 is mounted on the output end of the servo motor, the rotating table 2 and the processing table 3 are disposed at intervals, the rust removing apparatus further includes a positioning mechanism for positioning the boiler head body 1, a transmission mechanism 6, a manual screw rod sliding table 7 and a lifting mechanism 8, the positioning mechanism includes a bearing assembly 4 and a plurality of positioning assemblies 5, the bearing assembly 4 is disposed at a center of a top of the rotating table 2, all the positioning assemblies 5 are distributed at equal angles around the bearing assembly 4, the transmission mechanism 6 is disposed on a side wall of the rotating table 2, the manual screw rod sliding table 7 is disposed on the processing table 3, the lifting mechanism 8 is disposed on a sliding table of the manual screw rod sliding table 7, an arc-shaped rack 211 is arranged on the side wall of the rotary table 21, the arc-shaped rack 211 and the lifting mechanism 8 are in transmission connection with the transmission mechanism 6, and the spray gun 9 is arranged on the lifting mechanism 8; can adopt to carry and hang equipment and place boiler head body 1 earlier on carousel 21, on the manual lead screw slip table 7 of operation subsequently let spray gun 9 on the elevating system 8 can contradict the lateral wall of boiler head body 1, the regulation simple operation of manual lead screw slip table 7, and the precision is higher than prior art's regulation precision.

The bottom of the boiler end socket body 1 is supported by the supporting component 4, the supporting component 4 comprises a base 41 and a supporting seat 42, a first mounting groove 411 is formed in the top of the base 41, a first spring 43 is arranged in the first mounting groove 411, a second mounting groove 421 is formed in the bottom of the supporting seat 42, an inward concave arc surface 422 matched with the bottom of the boiler end socket body 1 is formed in the top of the supporting seat 42, the base 41 is arranged at the top of the rotary table 21, the supporting seat 42 is slidably arranged in the first mounting groove 411, and the top of the first spring 43 is abutted to the groove top of the second mounting groove 421; because the bottom of boiler head body 1 is the arc surface, consequently utilize the indent cambered surface 422 on bearing seat 42 can laminate completely on the arc surface of boiler head body 1, can accomplish boiler head body 1's preliminary location promptly. The boiler head body 1 is also heavier in weight, and the first spring 43 is utilized to offset the downward pressure caused by the gravity of part of the boiler head body 1, so that the damage probability to the rotary table 21 is reduced.

All the positioning assemblies 5 position the side wall of the boiler head body 1, each positioning assembly 5 comprises a positioning rod 51, a supporting seat 52 and a second spring 53, a positioning wheel 54 is arranged at the head end of each positioning rod 51, a connecting block 55 is arranged at the tail end of each positioning rod 51, a rod body of each positioning rod 51 is provided with a notch 511 with an arched section, each supporting seat 52 is provided with a translation sliding chute, each positioning rod 51 is arranged in each translation sliding chute in a sliding mode, each second spring 53 is sleeved on each positioning rod 51, and two ends of each second spring 53 are fixedly connected with each supporting seat 52 and each connecting block 55; when putting into from last bearing seat 42 on boiler head body 1, locating wheel 54 contradicts earlier on boiler head body 1's lateral wall, because boiler head body 1's bottom is the arc surface, boiler head body 1's cross-section girth is increasing gradually, consequently locating wheel 54 can receive to support to press and promote locating lever 51 reverse translation, locating lever 51 drives second spring 53 and lengthens, treat that boiler head body 1 places the back that finishes, utilize second spring 53's elasticity to let locating wheel 54 can laminate on boiler head body 1's outer wall all the time, realize promptly fixing a position boiler head body 1 to not unidimensional, can avoid locating lever 51 to take place to deflect when removing through the setting that the cross-section on locating lever 51 is bow-shaped scarce groove 511.

Can drive elevating system 8 through the cooperation of arc gear and drive mechanism 6 and drive spray gun 9 and go up and down, drive mechanism 6 includes cantilever 61, first seat 62 and the first gear 63 of rotating, first seat 62 of rotating's top is rotated and is installed first pivot 64, the girth of first gear 63 is not more than the arc length of arc rack 211, cantilever 61 is the level setting on the lateral wall of rotating platform 2, first seat 62 that rotates sets up on cantilever 61, first gear 63 sets up on first pivot 64, and first gear 63 meshes with arc rack 211.

The lifting mechanism 8 comprises a second rotating seat 81, a rotating rod 82, a guide rod 83, a second gear 84 and a suspension rod 85, wherein an external thread is arranged on the outer wall of the upper end of the rotating rod 82, a threaded hole and a guide hole are arranged on the suspension rod 85, a telescopic groove 851 is arranged at the head part of the suspension rod 85, a telescopic rod 86 is arranged in the telescopic groove 851 in a sliding manner, a locking assembly 87 for locking the telescopic rod 86 is arranged on the side wall of the suspension rod 85, the circumference of the second gear 84 is not more than one half of the circumference of the first gear 63, the second rotating seat 81 is arranged on a sliding table of the manual screw rod sliding table 7, the rotating rod 82 is vertically and rotatably arranged on the second rotating seat 81, the guide rod 83 is positioned at the side of the second rotating seat 81, the second gear 84 is fixedly connected on the rotating rod 82, the second gear 84 is meshed with the first gear 63, the suspension rod 85 is arranged at the upper end of the rotating rod 82 through the threaded hole, and the guide rod 83 is in sliding fit with the guide hole, the spray gun 9 is arranged at the head of the telescopic rod 86.

Lifting principle: clockwise or anticlockwise rotation of servo motor drive carousel 21, can drive first gear 63 after the arc gear on the carousel 21 and first gear 63 butt and rotate at least round, make first gear 63 can indirectness rotate, first gear 63 drives second gear 84 and rotates at least two circles afterwards, second gear 84 drives dwang 82 and carries out synchronous rotation on second roating seat 81 again, the cooperation of the external screw thread of dwang 82 and screw hole can make dwang 82 can drive hanger rod 85 can rise or descend the certain distance on dwang 82 when rotating simultaneously, can let hanger rod 85 stably rise or descend through the cooperation of guide bar 83 and guiding hole.

Preferably, a rocking handle may be provided on the second gear 84, which facilitates manual assistance in adjusting the suspension lever 85 to the initial position when the rust removing work is not performed.

The position of the spray gun 9 can be adjusted for the second time by pulling the telescopic rod 86, the spray gun 9 can be ensured to be abutted against the side wall of the boiler end enclosure body 1, the adjusted position of the telescopic rod 86 can be locked by the locking assembly 87, the locking assembly 87 comprises a support block 871, a sliding rod 872, a third spring 873 and a locking bar 878, the head of the sliding rod 872 is provided with a locking block 874, the locking block 874 is provided with a first wedge surface 875 and a first limit plane 876, the tail of the sliding rod 872 is provided with a limit block 877, the locking bar 878 is provided with a plurality of locking grooves 879 arranged at equal intervals, the locking grooves 879 are internally provided with a second wedge surface 880 and a second limit plane 881, the side wall of the telescopic rod 86 is provided with a convex block 861, the groove wall of the telescopic groove 851 is provided with a moving groove 852 for moving the convex block 861, the support block 871 is vertically arranged on the convex block 861, the sliding rod 872 is arranged on the support block 871 in a sliding way, the third spring 873 is sleeved on the sliding rod 872, two ends of the sliding rod 872 are fixedly connected with the supporting block 871 and the limiting block 877 respectively, the locking bar 878 is fixedly connected with the top of the suspension rod 85, the locking block 874 is positioned in one of the locking grooves 879, the first wedge surface 875 is abutted against the second wedge surface 880, and the first limiting plane 876 is abutted against the second limiting plane 881; when the telescopic rod 86 is moved towards the side wall of the boiler head body 1 through the protrusion 861, because the first wedge surface 875 on the locking block 874 is in wedge surface fit with the second wedge surface 880 in the locking groove 879 on the locking bar 878, the locking block 874 can enter the next locking groove 879 from one locking groove 879 in sequence without resistance, and the locking block 874 can be automatically inserted into the locking groove 879 through the elastic force of the second spring 53, after the spray gun 9 collides against the side wall of the boiler head body 1, because the first limiting plane 876 of the locking block 874 and the second limiting plane 881 of the locking groove 879 collide with each other, the locking block 874 cannot move reversely, that is, the locking is completed, when the telescopic rod 86 needs to be retracted, the locking block 874 can be separated from the locking groove 879 by pulling the limiting block 877 to unlock, the telescopic rod 86 can move freely, and the operation of the locking mode is simple.

Preferably, two locking assemblies 87 are provided to improve the locking effect and the locking stability of the telescopic rod 86.

Preferably, if the spray gun 9 is accidentally damaged, the spray gun 9 needs to be detached and replaced with a new spray gun 9, so that the rust removal operation can be continued, in order to avoid affecting the rust removal operation, the head of the telescopic rod 86 is provided with a second rotating shaft 862, a U-shaped frame 863 is rotatably installed on the second rotating shaft 862, a locking sleeve 864 is threadedly installed on the second rotating shaft 862, two spray guns 9 are arranged, and the two spray guns 9 are symmetrically arranged on the U-shaped frame 863; when one spray gun 9 is accidentally damaged, the locking sleeve 864 is directly unscrewed, and then the U-shaped frame 863 is rotated 180 degrees around the second rotating shaft 862, so that the spare spray gun 9 can be used.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. Rust removal treatment facility of boiler head, including boiler head body (1), rotation platform (2), processing platform (3) and spray gun (9), be equipped with servo motor in rotating platform (2), and servo motor's output runs through and rotates platform (2), install carousel (21) on servo motor's the output, it sets up its characterized in that to rotate platform (2) and processing platform (3) interval: still including being used for carrying out positioning mechanism, drive mechanism (6), manual lead screw slip table (7) and elevating system (8) that fix a position boiler head body (1), positioning mechanism is used for carrying out locating component (5) of fixing a position boiler head body's (1) lateral wall including carrier assembly (4) and a plurality of that are used for bearing boiler head body (1) bottom, carrier assembly (4) set up the center department at rotation platform (2) top, and all locating component (5) are around angular distribution such as carrier assembly (4), drive mechanism (6) set up on the lateral wall that rotates platform (2), manual lead screw slip table (7) set up on processing platform (3), elevating system (8) set up on the slip table of manual lead screw slip table (7), be equipped with arc rack (211) on the lateral wall of carousel (21), arc rack (211)'s, Elevating system (8) all is connected with drive mechanism (6) transmission, spray gun (9) sets up on elevating system (8), drive mechanism (6) include cantilever (61), first rotation seat (62) and first gear (63), the top of first rotation seat (62) is rotated and is installed first pivot (64), the girth of first gear (63) is not more than the arc length of arc rack (211), cantilever (61) is the level and sets up on the lateral wall of revolving stage (2), first rotation seat (62) sets up on cantilever (61), first gear (63) set up on first pivot (64), and first gear (63) and arc rack (211) meshing, elevating system (8) include second rotation seat (81), dwang (82), guide bar (83), second gear (84) and suspension rod (85), be equipped with the external screw thread on dwang (82) upper end outer wall, be equipped with screw hole and guiding hole on hanger rod (85), flexible groove (851) have been seted up to the head of hanger rod (85), it is equipped with telescopic link (86) to slide in flexible groove (851), be equipped with on the lateral wall of hanger rod (85) and be used for carrying out locking subassembly (87) that lock to telescopic link (86), the girth of second gear (84) is not more than first gear (63) half girth, seat (81) setting is rotated to the second on the slip table of manual lead screw slip table (7), dwang (82) are vertical rotation and set up on seat (81) are rotated to the second, guide bar (83) are located the side that seat (81) were rotated to the second, second gear (84) fixed connection is on dwang (82), and second gear (84) and first gear (63) meshing, the suspension rod (85) is arranged at the upper end of the rotating rod (82) through a threaded hole, the guide rod (83) is in sliding fit with the guide hole, and the spray gun (9) is arranged at the head of the telescopic rod (86).

2. The rust removal processing apparatus for a boiler head according to claim 1, characterized in that: bearing component (4) include base (41) and bear seat (42), first mounting groove (411) have been seted up at the top of base (41), be equipped with first spring (43) in first mounting groove (411), the bottom that bears seat (42) is equipped with second mounting groove (421), the top that bears seat (42) is equipped with indent cambered surface (422) that matches bottom boiler head body (1), base (41) set up the top at carousel (21), bear seat (42) and slide and set up in first mounting groove (411), the top of first spring (43) is contradicted with the groove top of second mounting groove (421).

3. The rust removal processing apparatus for the boiler head according to claim 1, characterized in that: locating component (5) is including locating lever (51), supporting seat (52) and second spring (53), the head end of locating lever (51) is equipped with locating wheel (54), the tail end of locating lever (51) is equipped with connecting block (55), the pole body of locating lever (51) is equipped with the cross-section and is bow-shaped scarce groove (511), be equipped with the translation spout on supporting seat (52), locating lever (51) slide to be set up in the translation spout, second spring (53) cover is established on locating lever (51), and the both ends of second spring (53) respectively with supporting seat (52) and connecting block (55) fixed connection.

4. The rust removal processing apparatus for the boiler head according to claim 1, characterized in that: the locking assembly (87) comprises a support block (871), a sliding rod (872), a third spring (873) and a locking bar (878), the head of the sliding rod (872) is provided with a locking block (874), the locking block (874) is provided with a first wedge surface (875) and a first limiting plane (876), the tail of the sliding rod (872) is provided with a limiting block (877), the locking bar (878) is provided with a plurality of locking grooves (879) which are arranged at equal intervals, the locking grooves (879) are internally provided with a second wedge surface (880) and a second limiting plane (881), the side wall of the telescopic rod (86) is provided with a convex block (861), the groove wall of the telescopic groove (851) is provided with a moving groove (852) for the convex block (861) to move, the support block (871) is vertically arranged on the convex block (861), the sliding rod (872) is arranged on the support block (871) in a sliding manner, and the third spring (873) is sleeved on the sliding rod (878), and the both ends of third spring (873) respectively with a piece (871) and stopper (877) fixed connection, locking strip (878) fixed connection is at the top of outstanding pole (85), locking piece (874) are located one of them locking groove (879), and first scarf (875) are contradicted with second scarf (880), and first spacing plane (876) are contradicted with second spacing plane (881).

5. The rust removal processing apparatus for a boiler head according to claim 4, characterized in that: the two locking assemblies (87) are symmetrically arranged on the convex block (861) and the suspension rod (85), and the limiting blocks (877) of the two locking assemblies (87) are connected with each other.

6. The rust removal processing apparatus for the boiler head according to claim 5, characterized in that: the head of telescopic link (86) is equipped with second pivot (862), rotate on second pivot (862) and install U type frame (863), threaded mounting has lock sleeve (864) on second pivot (862), spray gun (9) are equipped with two, and two spray guns (9) symmetry set up on U type frame (863).