阅读说明：本技术 一种铜水套气密性检测装置 (Copper water jacket gas tightness detection device ) 是由 张钊 陶红 徐乐平 齐勤 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种铜水套气密性检测装置,涉及铜水套检测的技术领域,包括支撑部件、调角部件、抵近部件、调距部件及导气部件,其中,所述支撑部件用于吸附在铜水套的上表面并实现对其他的各个部件进行支撑；所述调角部件设于支撑部件的上方并用于对导气部件的空间角度进行调节；所述抵近部件设于调角部件的旁侧并用于对导气部件的空间位置进行调节；所述调距部件设于抵近部件的旁侧并用于对导气部件的空间间距进行调节；所述导气部件设于调距部件的下方并用于对通水套内的预埋铜管导入压缩空气。综上,本发明中的铜水套气密性检测装置具有设计合理、结构紧凑、适应性好、调节方便及使用方便的特点。(The invention discloses a copper water jacket air tightness detection device, which relates to the technical field of copper water jacket detection and comprises a supporting part, an angle adjusting part, an approaching part, a distance adjusting part and an air guide part, wherein the supporting part is used for being adsorbed on the upper surface of a copper water jacket and supporting other parts; the angle adjusting part is arranged above the supporting part and is used for adjusting the space angle of the air guide part; the approaching part is arranged at the side of the angle adjusting part and is used for adjusting the space position of the air guide part; the distance adjusting part is arranged at the side of the approaching part and is used for adjusting the space distance of the air guide part; the air guide part is arranged below the distance adjusting part and is used for guiding compressed air into the embedded copper pipe in the water through sleeve. In conclusion, the copper water jacket air tightness detection device has the characteristics of reasonable design, compact structure, good adaptability, convenience in adjustment and convenience in use.)

1. The utility model provides a copper water jacket gas tightness detection device which characterized in that: the angle adjusting device comprises a supporting part (10), an angle adjusting part (20), a proximity part (30), a distance adjusting part (40) and an air guide part (50), wherein:

the supporting part (10) is used for being adsorbed on the upper surface of the copper water jacket (60) and supporting other parts;

the angle adjusting part (20) is arranged above the supporting part (10) and is used for adjusting the space angle of the air guide part (50);

the approaching part (30) is arranged at the side of the angle adjusting part (20) and is used for adjusting the space position of the air guide part (50);

the distance adjusting part (40) is arranged at the side of the approaching part (30) and is used for adjusting the space distance of the air guide part (50);

the air guide part (50) is arranged below the distance adjusting part (40) and is used for guiding compressed air into the embedded copper pipe (602) in the water jacket (60).

2. The copper water jacket airtightness detection apparatus according to claim 1, characterized in that: the supporting part (10) comprises a first supporting pipe (101), a second supporting pipe (102), a third supporting pipe (103), an adsorption disc (104), a fourth supporting pipe (105) and a first telescopic cylinder (106), wherein the first supporting pipe (101) is horizontally arranged, the second supporting pipe (102) is provided with a pair of supporting pipes which are symmetrically and vertically welded at the lower side of the first supporting pipe (101), the third supporting pipe (103) is provided with a pair of supporting pipes which are correspondingly and vertically welded at the lower end parts of the two second supporting pipes (102), the adsorption disc (104) is provided with two rows which are correspondingly fixed at the lower sides of the two third supporting pipes (103), the fourth supporting pipe (105) is parallelly arranged right above the first supporting pipe (101), the first telescopic cylinder (106) is vertically arranged downwards and connected with the supporting pipes in the middle of the first telescopic cylinder (106), and the tail end of a piston rod of the first telescopic cylinder (106) is connected in the middle of the second supporting pipe (102), the upper side of the first supporting pipe (101) is symmetrically and vertically connected with guide columns (107), and the guide columns (107) are in sliding fit with the fourth supporting pipe (105) through guide sleeves (108).

3. The copper water jacket airtightness detection apparatus according to claim 2, characterized in that: the angle adjusting component (20) is provided with a pair of angle adjusting components which are symmetrically distributed front and back, each angle adjusting component (20) comprises a fixing plate (201) and a telescopic cylinder II (202), the fixing plate (201) is installed on the upper side of a supporting tube IV (105), the telescopic cylinder II (202) is horizontally arranged towards the right and connected to the upper portion of the fixing plate (201), the tail end of a piston rod of the telescopic cylinder II (202) is connected with a hinge seat I (203), a hinge strip I (204) with an L-shaped structure is hinged to the hinge seat I (203), a hinge seat II (205) is welded to the lower portion of the fixing plate (201), a hinge strip II (206) with an I-shaped structure is hinged to the hinge seat II (205), and the other end of the hinge strip I (204) is hinged to the other end of the hinge strip II (206).

4. The copper water jacket airtightness detection apparatus according to claim 3, wherein: the approaching part (30) comprises a fixing strip (301), three telescopic cylinders (302), a lifting strip (303) and a lifting pipe (304), the fixing strip (301) is horizontally connected between two front and back hinged strips (204), the three telescopic cylinders (302) are provided with a pair of symmetrical distribution and are connected to the upper side of the fixing strip (301), the lifting strip (303) is of a C-shaped structure and is not connected to the tail ends of piston rods of the three telescopic cylinders (302), the lifting pipe (304) is vertically welded to the middle of the lifting strip (303), and reinforcing ribs (305) are welded at the joint of the lifting pipe (304) and the lifting strip (303).

5. The copper water jacket airtightness detection apparatus according to claim 4, wherein: the distance adjusting part (40) comprises a fixed frame (401), four telescopic cylinders (402) and a lifting frame (403), wherein the fixed frame (401) is of an n-shaped structure and is arranged on the outer side of a lifting pipe (304), the four telescopic cylinders (402) are vertically arranged upwards and are connected in the middle of the fixed frame (401), the lifting frame (403) is of an n-shaped structure and is connected to the outer side of the fixed frame (401) in a sliding manner, the tail ends of piston rods of the four telescopic cylinders (402) are connected in the middle of the lifting frame (403), rectangular lifting grooves (403a) are formed in the front and rear side walls of the lifting frame (403), connecting arms (404) are hinged to the front and rear outer walls of the fixed frame (401) in an up-down symmetrical manner, extending ends of the upper and lower connecting arms (404) positioned on the same side are hinged to a distance adjusting arm (405) together, and limiting strips (406) are welded to the front and rear outer walls of the lifting frame (403) by the lower part, the limiting strip (406) is provided with a rectangular limiting groove (406a), and the distance adjusting arm (405) positioned on the same side is connected with the connecting arm (404) on the upper side through a pin shaft for sliding connection in the limiting groove (406 a).

6. The copper water jacket airtightness detection apparatus according to claim 5, wherein: the air guide part (50) is provided with a pair of air guide parts which are symmetrically distributed front and back, each air guide part (50) comprises an installation frame (501), an installation block (502), an installation pipe (503), an air inlet pipe (504) and a sealing ring (505), the installation frame (501) is of a U-shaped structure and is welded at the lower end part of the distance adjusting arm (405), the installation block (503) is a hollow rectangular block and is installed on the inner side of the installation frame (501), the installation pipe (503) is welded on the upper side of the installation block (503) in the middle, the air inlet pipe (504) is connected on the lower side of the installation block (503) in the middle, the air inlet pipe (504) is communicated with an external compressed air source, and the sealing ring (505) is sleeved at the upper end of the installation pipe (503).

Technical Field

The invention relates to the technical field of copper water jacket detection, in particular to a copper water jacket air tightness detection device.

Background

The copper water jacket, also called cooling wall, is used as cooling equipment and installed in the high heat flow intensity main area of the metallurgical furnace to avoid the damage caused by overheating, and the furnace is forced to be shut down for overhaul. The energy loss can be reduced after stable slagging. The copper water jacket works under the severe working conditions of high temperature, high erosion and high scouring, and is required to have good comprehensive properties of heat strength, oxidation resistance, thermal shock resistance, rapid cooling and rapid heating resistance and the like.

Because the service condition is severe, the technical requirements of the copper water jacket are strict: high purity to ensure heat transfer performance; the fusion rate between the water jacket body and the pre-buried copper pipe is more than or equal to 92 percent; the deformation of the copper pipe is small, and the requirements of ball passing and flow are met; the casting defect is few, and the density is high, satisfies the hydrostatic test.

At present, when the air tightness of the copper water jacket is detected, due to the lack of a detection device which can adapt to the copper water jackets of different sizes and different types, the detection time and the detection cost are greatly increased, and the detection efficiency is seriously influenced.

Disclosure of Invention

The invention aims to provide a copper water jacket airtightness detection device to solve the defects caused in the prior art.

The copper water jacket airtightness detection device comprises a support part, an angle adjusting part, an approaching part, a distance adjusting part and an air guide part, wherein:

the supporting part is used for being adsorbed on the upper surface of the copper water jacket and supporting other parts;

the angle adjusting part is arranged above the supporting part and is used for adjusting the space angle of the air guide part;

the approaching part is arranged at the side of the angle adjusting part and is used for adjusting the space position of the air guide part;

the distance adjusting part is arranged at the side of the approaching part and is used for adjusting the space distance of the air guide part;

the air guide part is arranged below the distance adjusting part and is used for guiding compressed air into the embedded copper pipe in the water through sleeve.

Preferably, the supporting component comprises a first supporting pipe, a second supporting pipe, a third supporting pipe, an adsorption disc, a fourth supporting pipe and a first telescopic cylinder, wherein the first supporting pipe is horizontally arranged, the second supporting pipe is provided with a pair of supporting pipes and is symmetrically and vertically welded on the lower side of the first supporting pipe, the third supporting pipe is provided with a pair of supporting pipes and is correspondingly and vertically welded on the lower end parts of the second supporting pipes, the adsorption disc is provided with two rows of supporting pipes and is correspondingly fixed on the lower sides of the third supporting pipes, the four supporting pipes are arranged right above the first supporting pipe in parallel, the first telescopic cylinder is vertically arranged downwards and is connected in the middle of the fourth supporting pipe, the tail end of a piston rod of the first telescopic cylinder is connected in the middle of the second supporting pipe, the upper side of the first supporting pipe is symmetrically and vertically connected with a guide column, and the guide column is in sliding fit with the four supporting pipes through a guide sleeve.

Preferably, the angle adjusting component is provided with a pair of angle adjusting components which are symmetrically distributed front and back, the angle adjusting component comprises a fixed plate and a telescopic cylinder II, the fixed plate is installed on the upper side of the support tube IV, the telescopic cylinder II is horizontally arranged towards the right and connected to the upper portion of the fixed plate, the tail end of a piston rod of the telescopic cylinder II is connected with a hinge base I, a hinge strip I with an L-shaped structure is hinged to the hinge base I, a hinge base II is welded to the lower portion of the fixed plate, a hinge strip II with an I-shaped structure is hinged to the hinge base II, and the other end of the hinge strip I is hinged to the other end of the hinge strip II.

Preferably, it includes fixed strip, telescopic cylinder three, lifter and elevator pipe to approach the part, fixed strip horizontally connect around between two articulated one, telescopic cylinder three is equipped with a pair of and front and back symmetric distribution, telescopic cylinder three is vertical sets up down and connects in the upside of fixed strip, the lifter is C type structure and does not connect in the piston rod end of two telescopic cylinder three around, the elevator pipe is vertical to be welded in the middle part of lifter, the reinforcing rib has been welded with the junction of lifter.

Preferably, the distance adjusting part comprises a fixed frame, a telescopic cylinder and a lifting frame, the fixed frame is of an n-shaped structure and is arranged at the outer side of the lifting pipe, the four telescopic cylinders are vertically upwards arranged and connected in the middle of the fixed frame, the lifting frame is of an n-shaped structure and is connected to the outer side of the fixed frame in a sliding manner, the tail end of a piston rod of the telescopic cylinder IV is connected to the middle of the lifting frame, rectangular lifting grooves are arranged on the front side wall and the rear side wall of the lifting frame, the front and back outer walls of the fixed frame are symmetrically hinged with connecting arms up and down, the overhanging ends of the upper and lower connecting arms positioned at the same side are hinged with a distance adjusting arm together, the lifting frame is characterized in that limiting strips are welded on the front outer wall and the rear outer wall of the lifting frame close to the lower portion of the lifting frame, rectangular limiting grooves are formed in the limiting strips, and pin shafts for connecting the distance adjusting arms located on the same side and the connecting arms on the upper side are connected in the limiting grooves in a sliding mode.

Preferably, the air guide part is provided with a pair of symmetrical distribution around and, the air guide part includes installing frame, installation piece, installation pipe, intake pipe and sealing washer, the installing frame is U type structure and welds in the lower tip of roll adjustment arm, the installation piece is hollow rectangular block and installs in the inboard of installing frame, the installation pipe welds the upside in the middle in the installation piece, the intake pipe is connected in the downside of installation piece in the middle, the intake pipe is linked together with outside compressed air source, the upper end in the installation pipe is adorned to the sealing washer suit.

Compared with the prior art, the copper water jacket airtightness detection device has the following advantages:

(1) the detection device is integrally transferred to the upper side of the copper water jacket to be detected through manual work, the air guide part is ensured to be positioned above two ports of an embedded copper pipe in the copper water jacket to be detected, and the support part is firmly adsorbed on the upper surface of the copper water jacket to be detected through the adsorption disc;

(2) measuring the actual distance between two ports of an embedded copper pipe in a copper water jacket to be detected, driving a front distance adjusting arm and a rear distance adjusting arm and an air guide part to be close to or far away from each other through the extension and contraction of a piston rod of a telescopic cylinder IV, measuring the actual distance between the front mounting pipe and the rear mounting pipe, and stopping the extension and contraction of the piston rod of the telescopic cylinder IV when the distance between the front mounting pipe and the rear mounting pipe is equal;

(3) aiming at the condition that two ports of an embedded copper pipe are positioned on the upper side of a water jacket body: the piston rod of the telescopic cylinder III extends to drive the distance adjusting part and the air guide part to descend until the front and the rear mounting pipes are correspondingly inserted into two ports of the pre-buried copper pipe in the copper water jacket to be detected; the outside compressed air is introduced into the hollow mounting block through the air inlet pipe and then enters the embedded copper pipe along the mounting pipe. Secondly, aiming at the condition that two ports of the pre-buried copper pipe are positioned at the side of the water jacket body: the piston rod of the telescopic cylinder II extends to drive the approaching part, the distance adjusting part and the air guide part to turn downwards; the piston rod of the telescopic cylinder I stretches to drive the approach part, the distance adjusting part and the air guide part to descend until the front and rear mounting pipes and two ports of a pre-buried copper pipe in the copper water jacket to be detected keep the same horizontal height; the piston rod of the telescopic cylinder III extends to drive the distance adjusting part and the air guide part to be close to the embedded copper pipe until the front and the rear mounting pipes are correspondingly inserted into two ports of the embedded copper pipe in the copper water jacket to be detected; the outside compressed air is introduced into the hollow mounting block through the air inlet pipe and then enters the embedded copper pipe along the mounting pipe.

(4) And connecting a lifting ring at the threaded hole of the water jacket body through threads, transferring the copper water jacket to be detected into the water tank through external hoisting equipment, and observing whether continuous bubbles are generated on the outer surface of the water jacket body so as to judge the air tightness of the copper water jacket.

In conclusion, the copper water jacket air tightness detection device has the characteristics of reasonable design, compact structure, good adaptability, convenience in adjustment and convenience in use.

Drawings

Fig. 1 is a schematic overall three-dimensional structure of the present invention.

Fig. 2 is a schematic structural diagram of the whole front view of the present invention.

Fig. 3 is a schematic structural view of the support member of the present invention.

Fig. 4 is a schematic structural diagram of the recliner component and the proximity component of the present invention.

Fig. 5 is a schematic structural view of the distance adjusting member and the air guide member in the present invention.

Fig. 6 is a schematic structural view of the air guide of the present invention.

Fig. 7 is a schematic structural view of the lifting bar and the lifting frame in the present invention.

Fig. 8 is a schematic structural view of the copper water jacket of the present invention.

Wherein:

10-a support member; 101-supporting a pipe I; 102-support tube II; 103-supporting tube III; 104-a suction disc; 105-support tube four; 106-a telescopic cylinder I; 107-guide posts; 108-a guide sleeve;

20-an angle adjusting component; 201-fixing plate; 202-a telescopic cylinder II; 203-a first hinge seat; 204-hinge bar one; 205-a second hinged seat; 206-hinge bar two;

30-a proximity component; 301-fixing strips; 302-telescopic cylinder three; 303-lifting bar; 304-a riser; 305-reinforcing ribs;

40-a pitch adjustment component; 401-fixed frames; 402-telescopic cylinder four; 403-lifting frame; 403 a-lifting groove; 404-a connecting arm; 405-a pitch arm; 406-a stop bar; 406 a-a retaining groove;

50-an air guide; 501-installing a frame; 502-mounting block; 503-installing a tube; 504-an air inlet pipe; 505-sealing ring;

60-copper water jacket; 601-water jacket body; 601 a-a threaded hole; 602-embedding copper pipes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, a copper water jacket airtightness detection device includes a support member 10, an angle adjusting member 20, an approaching member 30, an distance adjusting member 40, and an air guide member 50, wherein:

the supporting part 10 is used for being adsorbed on the upper surface of the copper water jacket 60 and supporting other parts;

the angle adjusting member 20 is disposed above the support member 10 and adjusts a spatial angle of the air guide member 50;

the approaching part 30 is arranged at the side of the angle adjusting part 20 and is used for adjusting the space position of the air guide part 50;

the distance adjusting part 40 is arranged at the side of the approaching part 30 and is used for adjusting the space distance of the air guide part 50;

the air guide 50 is provided below the distance adjusting member 40 and guides compressed air to the embedded copper pipe 602 in the water passage cover 60.

In this embodiment, the supporting member 10 includes a first supporting pipe 101, a second supporting pipe 102, a third supporting pipe 103, an absorbing plate 104, a fourth supporting pipe 105 and a first telescopic cylinder 106, the first support pipe 101 is horizontally arranged, the second support pipe 102 is provided with a pair and is symmetrically and vertically welded at the lower side of the first support pipe 101, the third support pipe 103 is provided with a pair and is vertically welded at the lower end parts of the second support pipes 102 correspondingly, the adsorption discs 104 are provided with two rows and correspondingly fixed at the lower sides of the two support tubes three 103, the support pipe IV 105 is arranged right above the support pipe I101 in parallel, the telescopic cylinder I106 is arranged vertically downwards and connected to the middle of the support pipe IV 105, the end of the piston rod of the telescopic cylinder I106 is connected to the middle of the support pipe II 102, the upper side of the support pipe I101 is symmetrically and vertically connected with guide posts 107, and the guide posts 107 are in sliding fit with the support pipe IV 105 through guide sleeves 108.

In this embodiment, the angle adjusting component 20 is provided with a pair of angle adjusting components which are symmetrically distributed front and back, the angle adjusting component 20 includes a fixing plate 201 and a second telescopic cylinder 202, the fixing plate 201 is installed on the upper side of the fourth supporting tube 105, the second telescopic cylinder 202 is horizontally arranged towards the right and connected to the upper portion of the fixing plate 201, the end of a piston rod of the second telescopic cylinder 202 is connected with a first hinge base 203, the first hinge base 203 is hinged with a first hinge strip 204 with an L-shaped structure, the lower portion of the fixing plate 201 is welded with a second hinge base 205, the second hinge base 205 is hinged with a second hinge strip 206 with an | -shaped structure, and the other end of the first hinge strip 204 is hinged with the other end of the second hinge strip 206.

In this embodiment, the approach component 30 includes a fixed strip 301, three telescopic cylinders 302, a lifting strip 303 and a lifting pipe 304, the fixed strip 301 is horizontally connected between two front and back hinged strips 204, the three telescopic cylinders 302 are provided with a pair of front and back symmetric distributions, the three telescopic cylinders 302 are vertically arranged downwards and connected to the upper side of the fixed strip 301, the lifting strip 303 is a C-shaped structure and is not connected to the tail ends of the piston rods of the two front and back telescopic cylinders 302, the lifting pipe 304 is vertically welded to the middle of the lifting strip 303, and a reinforcing rib 305 is welded at the joint of the lifting pipe 304 and the lifting strip 303.

In this embodiment, the distance adjusting member 40 includes a fixed frame 401, a telescopic cylinder 402 and a lifting frame 403, the fixed frame 401 is n-shaped and installed outside the elevator pipe 304, the telescopic cylinder four 402 is vertically upwardly disposed and connected to the middle of the fixed frame 401, the lifting frame 403 is n-shaped and is slidably connected to the outside of the fixed frame 401, the end of the piston rod of the telescopic cylinder four 402 is connected to the middle of the lifting frame 403, rectangular lifting grooves 403a are formed in the front and rear side walls of the lifting frame 403, connecting arms 404 are hinged to the front and rear outer walls of the fixing frame 401 in a vertically symmetrical manner, the overhanging ends of the upper and lower connecting arms 404 located on the same side are hinged to a distance adjusting arm 405, the upper portion and the lower portion of the front outer wall and the rear outer wall of the lifting frame 403 are welded with a limiting strip 406, a rectangular limiting groove 406a is formed in the limiting strip 406, and a pin shaft for connecting the distance adjusting arm 405 and the connecting arm 404 on the upper side located on the same side is slidably connected in the limiting groove 406 a.

In this embodiment, the air guide member 50 is provided with a pair of air guide members 50 which are symmetrically distributed in the front-rear direction, each air guide member 50 includes an installation frame 501, an installation block 502, an installation tube 503, an air inlet tube 504 and a seal ring 505, the installation frame 501 is of a U-shaped structure and is welded to the lower end portion of the distance adjusting arm 405, the installation block 503 is a hollow rectangular block and is installed inside the installation frame 501, the installation tube 503 is welded to the upper side of the installation block 503 in the middle, the air inlet tube 504 is connected to the lower side of the installation block 503 in the middle, the air inlet tube 504 is communicated with an external compressed air source, and the seal ring 505 is sleeved on the upper end of the installation tube 503.

In this embodiment, the water passing sleeve 60 is composed of a water jacket body 601 and an embedded copper pipe 602, and threaded holes 601a are uniformly distributed on the upper side of the water jacket body 601.

When the copper water jacket airtightness detection device is actually applied, the copper water jacket airtightness detection device comprises the following steps:

the first condition is as follows: when two ports of the pre-buried copper pipe 602 are located on the upper side of the water jacket body 601:

step 1: the detection device is integrally transferred to the upper side of the copper water jacket 60 to be detected by manpower, the air guide part 50 is ensured to be positioned above two ports of the pre-buried copper pipe 602 in the copper water jacket 60 to be detected, and the support part 10 is firmly adsorbed on the upper surface of the copper water jacket 60 to be detected through the adsorption disc 104;

step 2: measuring the actual distance between two ports of an embedded copper pipe 602 in a copper water jacket 60 to be detected, and recording the actual distance as d1, driving a front distance adjusting arm 405 and a rear distance adjusting arm 405 and an air guide part 50 to be close to or far away from each other through the expansion and contraction of a piston rod of a telescopic cylinder IV 402, measuring the actual distance between the front mounting pipe 503 and the rear mounting pipe 503, and recording the actual distance as d2, and stopping the expansion and contraction of the piston rod of the telescopic cylinder IV 402 when d1 is d 2;

and step 3: the piston rod of the telescopic cylinder III 302 extends to drive the distance adjusting part 40 and the air guide part 50 to descend until the front and the rear mounting pipes 503 are correspondingly inserted into two ports of the pre-buried copper pipe 602 in the copper water jacket 60 to be detected;

and 4, step 4: introducing external compressed air into the hollow mounting block 502 through the air inlet pipe 504, and then entering the embedded copper pipe 602 along the mounting pipe 503;

and 5: a lifting ring is connected to the threaded hole 601a of the water jacket body 601 through threads, the copper water jacket 69 to be detected is transferred into the water tank through external hoisting equipment, and whether continuous bubbles are generated on the outer surface of the water jacket body 601 is observed, so that the air tightness of the copper water jacket 60 is judged.

Case two: when two ports of the pre-buried copper pipe 602 are located at the side of the water jacket body 601:

step 1: the detection device is integrally transferred to the upper side of the copper water jacket 60 to be detected by manpower, the air guide part 50 is ensured to be positioned above two ports of the pre-buried copper pipe 602 in the copper water jacket 60 to be detected, and the support part 10 is firmly adsorbed on the upper surface of the copper water jacket 60 to be detected through the adsorption disc 104;

step 2: measuring the actual distance between two ports of an embedded copper pipe 602 in a copper water jacket 60 to be detected, and recording the actual distance as d1, driving a front distance adjusting arm 405 and a rear distance adjusting arm 405 and an air guide part 50 to be close to or far away from each other through the expansion and contraction of a piston rod of a telescopic cylinder IV 402, measuring the actual distance between the front mounting pipe 503 and the rear mounting pipe 503, and recording the actual distance as d2, and stopping the expansion and contraction of the piston rod of the telescopic cylinder IV 402 when d1 is d 2;

and step 3: the piston rod of the telescopic cylinder II 202 extends to drive the approach part 30, the distance adjusting part 40 and the air guide part 50 to turn downwards by 90 degrees;

and 4, step 4: the piston rod of the telescopic cylinder I106 is telescopic to drive the approach part 30, the distance adjusting part 40 and the air guide part 50 to descend until the front and rear mounting pipes 503 and two ports of the pre-buried copper pipe 602 in the copper water jacket 60 to be detected keep the same horizontal height;

and 5: the piston rod of the telescopic cylinder III 302 extends to drive the distance adjusting part 40 and the air guide part 50 to be close to the embedded copper pipe 602 until the front and the rear mounting pipes 503 are correspondingly inserted into two ports of the embedded copper pipe 602 in the copper water jacket 60 to be detected;

step 6: introducing external compressed air into the hollow mounting block 502 through the air inlet pipe 504, and then entering the embedded copper pipe 602 along the mounting pipe 503;

and 7: a lifting ring is connected to the threaded hole 601a of the water jacket body 601 through threads, the copper water jacket 69 to be detected is transferred into the water tank through external hoisting equipment, and whether continuous bubbles are generated on the outer surface of the water jacket body 601 is observed, so that the air tightness of the copper water jacket 60 is judged.

In conclusion, the copper water jacket air tightness detection device has the characteristics of reasonable design, compact structure, good adaptability, convenience in adjustment and convenience in use.

The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.