Auxiliary tool for tube bundle penetrating of heat exchanger

Abstract

The invention discloses an auxiliary tool for a heat exchanger to penetrate through a tube bundle, belongs to the technical field of heat exchangers, and comprises a fixed bottom plate which is of a rectangular plate-shaped structure and used for supporting and placing the whole tool, and two limiting assemblies driven by an adjusting assembly to move are symmetrically arranged at the top end of the fixed bottom plate; and the adjusting assembly is arranged in a hollow structure in the fixing base, the fixing base is arranged above the fixing bottom plate, auxiliary moving assemblies are arranged between the two limiting assemblies at equal intervals and used for conducting auxiliary pipe penetrating work on penetrating pipe bundles, and the auxiliary moving assemblies and the limiting assemblies are arranged above the auxiliary moving assemblies and the limiting assemblies. The invention discloses an auxiliary tool for heat exchanger tube bundle penetrating. The arrangement of the adapting mechanism on the limiting assembly can carry out flexible adjustment work according to different sizes of the tube plates, so that the whole auxiliary tool can adapt to tube penetrating work of heat exchange tube bundle assemblies with different sizes, and therefore it is guaranteed that the use range of the whole auxiliary tool is wider.

Description

Technical Field

[0001] The present application relates to the technical field of heat exchanger tube threading, and in particular to an auxiliary tooling for threading a tube bundle of a heat exchanger. Background Art

[0002] The tube bundle in the heat exchanger is the core component for achieving heat transfer, and heat is mainly transferred from one fluid to another through the tubes in the tube bundle. The cold and hot fluids flow in the tube side and shell side respectively. The fluid flowing through the tube side is called the tube side fluid, and the fluid flowing through the shell side is called the shell side fluid. They exchange heat through the tube wall. In the process of manufacturing the heat exchanger, an important link is to thread the tube bundle of the heat exchanger. In the existing market, when assembling the heat exchanger, it is generally necessary to pass the tube bundle through the circular holes in the middle of the tube sheet and the baffle, respectively. However, due to the large number of circular holes, the traditional manual auxiliary threading work will bring a lot of pressure to the staff, and when threading the tube, the tube bundle will often tilt and fail to thread the tube. Therefore, it is necessary to use auxiliary tooling to thread the tube bundle; Application number 202322629075.3 is an auxiliary tooling for passing through a tube bundle of a heat exchanger, comprising a rectangular limiting outer cylinder, a plurality of limiting rods evenly distributed in the rectangular limiting outer cylinder and arranged along the length direction of the rectangular limiting outer cylinder, and a plurality of the limiting rods are provided with tube bundle components for passing through the tube bundle of the heat exchanger; the plurality of limiting rods have the same structure, the limiting rods comprising two parallel transverse rods and two parallel longitudinal rods connected between the two transverse rods, the transverse rods and the longitudinal rods form a square mounting cavity, and the center of the square mounting cavity is coaxially arranged with the center of the rectangular limiting outer cylinder; limiting blocks are arranged on the transverse rods and the longitudinal rods, and a slide groove cooperating with the limiting blocks is arranged on the outer side wall of the tube bundle component. The utility model has a simple structure and a reasonable design, realizes the limiting of the tube bundle component to facilitate the passing through of the heat exchanger tube bundle, and ensures the straightness of the passing through the heat exchange tube bundle, thereby improving the efficiency of subsequent assembly with the shell and tube sheet; However, the above-mentioned auxiliary tooling, when assisting in the tube bundle threading, only controls a plurality of limit rods and a limit outer cylinder to realize the clamping work of a plurality of tube bundles and complete the auxiliary tube threading work. However, the whole process still requires the staff to assist in the tube threading. However, when the cylinder diameter of the heat exchanger is large and the tube bundle is heavy, the workload of the staff will be increased. Summary of the invention

[0003] The purpose of the present invention is to provide an auxiliary tooling for threading a tube bundle of a heat exchanger, so as to solve the problem that the auxiliary tooling currently on the market proposed in the above background technology only controls a plurality of limit rods and a limit outer cylinder to realize the clamping work of a plurality of tube bundles and complete the auxiliary tube threading work when assisting the tube bundle threading. However, the whole process still requires workers to assist in the tube threading. However, when the cylinder diameter of the heat exchanger is large and the tube bundle is heavy, the workload of the workers will be increased.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an auxiliary tooling for threading a tube bundle of a heat exchanger, comprising a fixed bottom plate, which is arranged in a rectangular plate-shaped structure and is used for supporting and placing the entire tooling, and is characterized in that two limit assemblies driven to move by an adjustment assembly are symmetrically arranged on the top of the fixed bottom plate, and the adjustment assembly is arranged in a hollow structure inside a fixed seat, and the fixed seat is arranged above the fixed bottom plate, and auxiliary moving assemblies are arranged at equal intervals between the two limit assemblies, which are used for assisting the threading of the penetrated tube bundle, and the upper part of the auxiliary moving assembly and the limit assembly is used for placing the heat exchange tube bundle assembly, and the limit assembly comprises an adaption mechanism and a lifting mechanism, and the adaption mechanism is used for flexibly adjusting according to the different sizes of the heat exchange tube bundle assembly Work, the lifting mechanism is used to lift the heat exchange tube bundle assembly after the tube threading is completed, the heat exchange tube bundle assembly includes a tube sheet and a partition, two tube sheets are symmetrically arranged, and a partition is arranged at an equal interval in the middle position of the two, the bottom of the partition is engaged with the auxiliary moving assembly, a reinforcement assembly is also arranged on the outside of the partition, and the reinforcement assembly and the partition are arranged in the middle position of the moving frame and the fixed frame, and the reinforcement assembly and the partition are made of the same material, the reinforcement assembly includes a push plate, a through groove and a friction arc block, the push plate is evenly distributed with through grooves corresponding to the circular holes on the tube sheet, and the size of the through grooves is larger than the size of the circular holes, and two friction arc blocks are symmetrically protruding from the inside of the through groove, and the outer wall of the protruding friction arc block fits with the middle of the circular hole.

[0005] Preferably, the adaptation mechanism includes a rotating mechanism and a placement limit plate, and the outer side of the placement limit plate is rotated at a different angle by the rotating mechanism, and the top of the placement limit plate is arranged in an arc-shaped structure, the placement limit plate is arranged inside the reserved groove, and the reserved groove is arranged at the top of both sides of the connecting seat, a sliding sleeve is arranged at the bottom of the connecting seat to connect with the adjustment component, and a rotating mechanism is arranged on the outside of the connecting seat to connect with the placement limit plate.

[0006] Preferably, the rotating mechanism includes a rotating motor, a rotating gear and a meshing gear, the outer side of the rotating gear is meshed with the meshing gear, and the top of the meshing gear is connected to the bottom of the limit plate through an axis, and the outer side of the rotating gear is connected to the rotating motor.

[0007] Preferably, the lifting mechanism comprises a lifting cylinder and a lifting plate, the top end of the lifting cylinder is connected to the bottom end of the lifting plate, and the lifting mechanism is arranged at a middle position of the connecting seat.

[0008] Preferably, a moving component is provided at the bottom center position of the auxiliary moving component, and the top of the moving component is connected to the bottom of the auxiliary moving component through an intermediate slider, and connecting sliders are also provided on both sides of the bottom of the auxiliary moving component for sliding limiting work. The auxiliary moving component includes a moving frame, a fixed frame, a moving plate, a fixed plate and an auxiliary block. A fixed frame is provided on the outside of the moving frame, and a moving plate and a fixed plate are provided at the bottom of the moving frame and the fixed frame respectively. An auxiliary block is provided at the upper position of the top of the moving frame, and a locking groove that engages with the push plate is provided on the top of the auxiliary block, and the gap between the other side of the auxiliary block and the fixed frame is greater than zero, and the bottom of the moving plate is moved by a pushing component, and the pushing component is arranged in the sliding groove inside the intermediate slider, and the bottom of the fixed plate is connected to the top of the intermediate slider.

[0009] Preferably, two adjusting components are symmetrically arranged inside the fixing seat, and include an adjusting motor and an adjusting bidirectional screw rod. The top end of the adjusting motor is coaxially connected to the adjusting bidirectional screw rod, and the outside of the adjusting bidirectional screw rod is threadedly connected to the inner side of the sliding sleeve.

[0010] Preferably, the moving component includes a driving mechanism and a meshing mechanism. The driving mechanism is arranged on the outside of the meshing mechanism and is used to control the movement of the meshing mechanism. An intermediate slider is arranged at the top of the meshing mechanism and is connected to the bottom of the auxiliary moving component. The driving mechanism includes a driving motor and a driving gear, and the top of the driving motor is coaxially connected to the driving gear.

[0011] Preferably, the meshing mechanism includes a meshing rack, a reset assembly and a movable tooth block, and reset assemblies and movable tooth blocks are arranged on both sides of the meshing rack, and the meshing rack and the movable tooth block are meshed with the driving gear. The reset assembly includes two rectangular blocks, which are fixedly installed on the meshing rack and the movable tooth block respectively, and a fixed column is arranged in the middle of the two rectangular blocks, one side of the fixed column is integrally installed with the rectangular block on the meshing rack, and the other side of the fixed column is slidably installed with the rectangular block on the movable tooth block, and a reset spring is arranged in the middle of the two rectangular blocks.

[0012] Preferably, the pushing assembly includes a slider and a pushing cylinder, the slider is arranged inside the slide groove, and its outer side is connected to the pushing cylinder, and the top of the slider is connected to the bottom of the moving plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the auxiliary tooling for passing through the tube bundle of the heat exchanger; An auxiliary moving component is provided, which can be engaged with the bottom of the partition. When threading the pipe, the staff first engages all the tube bundles with the circular holes on the tube plate, and then engages the top of the tube bundle with the outer partition. With the setting of the reinforcement component, the top of all the tube bundles is reinforced. At this time, the auxiliary moving component is controlled to work, which will drive the partition at the top and the engaged tube bundle to move together. When the tube bundle moves to the position of another partition and the top passes through the upper circular hole, the reinforcement work of the previous reinforcement component is unlocked, and the reinforcement component at the next partition position is controlled to reinforce. Repeating the above work can complete the threading of all the tube bundles. During the whole process, the staff only needs to assist in the threading work in the early stage, and only needs to assist in observation later. It is not necessary to thread the tubes of each tube bundle throughout the whole process. The operation is convenient and labor-saving. The setting of the adaptable mechanism on the limit assembly can be flexibly adjusted according to the size of the tube sheet, so that the entire auxiliary tooling can adapt to the tube threading work of heat exchange tube bundle assemblies of different sizes, thereby ensuring a wider range of use of the entire auxiliary tooling; A lifting mechanism is provided and a disassembly and installation mechanism is provided between the entire reinforcement component and the auxiliary movable component. Therefore, after the entire tube bundle is threaded, it is only necessary to separate the reinforcement component from the auxiliary movable component, and then cooperate with the lifting work of the lifting mechanism to lift the entire assembled tube bundle assembly so that it can be assembled and engaged with the external cylinder, thereby achieving the effect of quickly separating it from the tooling, thereby achieving the effect of improving assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a bottom view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the enlarged structure of the limit assembly of the present invention; Figure 4 It is a schematic diagram of the main structure of the limit assembly and the auxiliary moving assembly of the present invention; Figure 5 It is a schematic diagram of the top view of the limit assembly and the auxiliary moving assembly of the present invention; Figure 6 This is a schematic diagram of a top view of the structure of the connection between the auxiliary moving component and the moving component of the present invention; Figure 7 It is a schematic diagram of the enlarged structure of the mobile assembly of the present invention; Figure 8 It is a partial enlarged structural schematic diagram of the reset component of the present invention; Fig. 9 This is a schematic diagram of the engagement structure of the auxiliary moving component, the partition plate and the reinforcement component of the present invention; Fig.10 It is a partial enlarged structural schematic diagram of the auxiliary moving component of the present invention; Fig.11 It is a schematic diagram of the enlarged structure of the reinforcement component of the present invention; Fig.12 This is a bottom view of the structure of the auxiliary moving assembly of the present invention; Fig.13 This is an enlarged structural diagram of the driving component of the present invention; Fig.14 It is a schematic diagram of a partially enlarged structure of the reinforcement component of the present invention.

[0015] In the figure: 1. Fixed bottom plate; 2. Fixed seat; 3. Limiting assembly; 31. Sliding sleeve; 32. Connecting seat; 33. Reserved groove; 34. Rotating mechanism; 341. Rotating motor; 342. Rotating gear; 343. Engaging gear; 35. Placement of limiting plate; 36. Lifting mechanism; 361. Lifting cylinder; 362. Lifting plate; 4. Auxiliary moving assembly; 41. Moving frame; 42. Fixed frame; 43. Moving plate; 44. Fixed plate; 45. Auxiliary block; 5. Heat exchange tube bundle assembly; 51. Tube plate; 52. Partition plate; 6. Adjusting assembly; 61. Adjusting motor; 62, adjusting bidirectional screw rod; 7, moving assembly; 71, driving mechanism; 711, driving motor; 712, driving gear; 72, meshing mechanism; 721, meshing rack; 722, resetting assembly; 7221, rectangular block; 7222, resetting spring; 7223, fixing column; 723, movable tooth block; 8, intermediate slider; 81, slide groove; 9, connecting slider; 10, reinforcement assembly; 101, push plate; 102, through groove; 103, friction arc block; 11, pushing assembly; 111, slider; 112, pushing cylinder. DETAILED DESCRIPTION

[0016] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0017] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific scope of protection of the present application.

[0018] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0019] See also Figure 1-14 The present invention provides a technical solution: an auxiliary tooling for passing through a tube bundle of a heat exchanger, comprising a fixed bottom plate 1, which is arranged in a rectangular plate-shaped structure and is used for supporting and placing the entire tooling, and is characterized in that two limit components 3 driven to move by an adjustment component 6 are symmetrically arranged at the top of the fixed bottom plate 1, and the adjustment component 6 is arranged in a hollow structure inside a fixed seat 2, and the fixed seat 2 is arranged above the fixed bottom plate 1, and an auxiliary moving component 4 is arranged at equal intervals between the two limit components 3, which is used for assisting the passing through of the tube bundle, and the upper part of the auxiliary moving component 4 and the limit component 3 is used for placing the heat exchange tube bundle component 5, and the limit component 3 includes an adapting mechanism and a lifting mechanism 36, and the adapting mechanism is used to flexibly adjust the heat exchange tube bundle assembly 5 according to the different sizes of the heat exchange tube bundle assembly 5. The lifting mechanism 36 is used to lift the heat exchange tube bundle assembly 5 after the tube threading is completed. The heat exchange tube bundle assembly 5 includes a tube sheet 51 and a partition 52. The tube sheets 51 are symmetrically arranged with two, and the partitions 52 are arranged at equal intervals in the middle position of the two. The bottom of the partition 52 is engaged with the auxiliary moving assembly 4. The outer side of the partition 52 is also provided with a reinforcing assembly 10, and the reinforcing assembly 10 and the partition 52 are both arranged in the middle position of the moving frame 41 and the fixed frame 42, and the reinforcing assembly 10 and the partition 52 are made of the same material; The present application provides an auxiliary tooling for threading a heat exchanger tube bundle with an auxiliary moving component 4 and a limiting component 3. Specifically, when in use, first the entire tooling is placed in a suitable position under the action of a fixed bottom plate 1, and then the heat exchange tube bundle component 5 needs to be placed. When placing, according to the size of the heat exchange tube bundle component 5, the two limiting components 3 are controlled by the adjusting component 6 to change the position. After reaching the appropriate position, the adapting mechanism is adjusted so that its size corresponds to the size of the tube sheet 51. Then, the tube sheet 51 is placed above the adapting mechanism and placed. Then, according to the position of the auxiliary moving component 4, each partition 52 and the reinforcement component 10 are engaged with the auxiliary moving component 4. Then, the tube bundle can be threaded. When threading, first, multiple tube bundles are passed through the tube sheet 51. The tube bundle passes through the circular hole and then reaches the nearby partition 52 and reinforcement component 10. The tube bundle is engaged with the circular hole above the partition 52, and then is fixed by the reinforcement component 10. At this time, the moving component 7 at the bottom of the partition 52 is started, so that it drives the partition 52 and the reinforcement component 10 and the tube bundle engaged thereon to move together. When it moves to the position of another partition 52, it will drive the tube bundle to directly pass through the circular hole on the other partition 52, and then be reinforced by the reinforcement component 10 again. At this time, the second partition 52 and the moving component 7 at the bottom of the reinforcement component 10 are controlled to work again, and the tube bundle can be driven to move and pass through the tube again, thereby completing the entire tube bundle passing through work. In this application, the staff only needs to assist in pushing the tube bundle when passing through the tube between the tube bundle and the partition 52, and the staff does not need to continuously push the tube, which is convenient and labor-saving to operate. In the present application, since the material and shape of each partition 52 are the same as those of the reinforcement component 10, and the two constitute a deflection mechanism, and adjacent deflection mechanisms are staggered up and down, when the subsequent heat exchanger is used, it can force the fluid to be deflected multiple times along the specified distance.

[0020] In this application, according to Figure 3-5 As shown, the adaptation mechanism includes a rotating mechanism 34 and a placement limit plate 35, and the outer side of the placement limit plate 35 is rotated by the rotating mechanism 34 to change the angle, and the top of the placement limit plate 35 is arranged in an arc-shaped structure, the placement limit plate 35 is arranged inside the reserved groove 33, and the reserved groove 33 is arranged at the top of both sides of the connecting seat 32, a sliding sleeve 31 is arranged at the bottom of the connecting seat 32 to connect with the adjustment component 6, and a rotating mechanism 34 is arranged on the outside of the connecting seat 32 to connect with the placement limit plate 35.

[0021] The rotating mechanism 34 includes a rotating motor 341, a rotating gear 342 and a meshing gear 343. The outer side of the rotating gear 342 meshes with the meshing gear 343, and the top of the meshing gear 343 is connected to the bottom of the limiting plate 35 through a shaft, and the outer side of the rotating gear 342 is connected to the rotating motor 341. Specifically, when the adaptation mechanism needs to be adjusted according to the different sizes of the tube sheet 51, it is necessary to control the rotating motor 341 to work so that it drives the rotating gear 342 at its top to rotate, and then the meshing gear 343 engaged with it to rotate, thereby the meshing gear 343 drives the placement limit plate 35 coaxially connected with it to change the angle. After reaching the appropriate angle, the tube sheet 51 can be placed.

[0022] Among them, when the tube bundle is completed, it is necessary to separate the tooling. Figure 3 As shown, the lifting mechanism 36 includes a lifting cylinder 361 and a lifting plate 362, the top of the lifting cylinder 361 is connected to the bottom of the lifting plate 362, and the lifting mechanism 36 is arranged in the middle position of the connecting seat 32; Specifically, it is only necessary to start the lifting cylinder 361 so that it drives the lifting plate 362 at its top to move upward, thereby pushing the entire heat exchange tube bundle assembly 5 to quickly separate the adaptation mechanism and the auxiliary moving assembly 4, thereby facilitating subsequent rapid assembly.

[0023] Further, according to Figure 4 , Figure 5 , Figure 6 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 As shown, a moving component 7 is provided at the bottom center position of the auxiliary moving component 4, and the top of the moving component 7 is connected to the bottom of the auxiliary moving component 4 through an intermediate slider 8, and connecting sliders 9 are also provided on both sides of the bottom of the auxiliary moving component 4 for sliding and limiting work, the auxiliary moving component 4 includes a moving frame 41, a fixed frame 42, a moving plate 43, a fixed plate 44 and an auxiliary block 45, a fixed frame 42 is provided on the outer side of the moving frame 41, and a moving plate 43 and a fixed plate 44 are provided at the bottom of the moving frame 41 and the fixed frame 42, respectively, an auxiliary block 45 is provided at the upper position of the top of the moving frame 41, and a snap-fitting groove that snaps with the push plate 101 is provided at the top of the auxiliary block 45, and the gap between the other side of the auxiliary block 45 and the fixed frame 42 is greater than zero, the bottom of the moving plate 43 is moved by the pushing component 11, and the pushing component 11 is provided in the slide groove 81 inside the intermediate slider 8, and the bottom of the fixed plate 44 is connected to the top of the intermediate slider 8; The reinforcement assembly 10 includes a push plate 101, a through groove 102 and a friction arc block 103. The push plate 101 is evenly distributed with through grooves 102 corresponding to the circular holes on the tube plate 51, and the size of the through groove 102 is larger than the size of the circular hole. Two friction arc blocks 103 are symmetrically protruded inside the through groove 102, and the outer wall of the protruding friction arc block 103 fits with the middle of the circular hole. The pushing assembly 11 includes a slider 111 and a pushing cylinder 112. The slider 111 is disposed inside the slide slot 81, and its outer side is connected to the pushing cylinder 112. The top of the slider 111 is connected to the bottom of the moving plate 43. Among them, when the deflector mechanism is placed, first, it is necessary to control the pushing cylinder 112 on the pushing assembly 11 to work, so that it pushes the sliding block 111 to slide inside the sliding groove 81, and then the sliding block 111 drives the moving plate 43 and the moving frame 41 to move, so that there is a gap between the moving frame 41 and the fixed frame 42, and then the pushing plate 101 and the partition 52 on the reinforcing assembly 10 are engaged between the two, so that the through groove 102 on the pushing plate 101 and the circular hole on the partition 52 correspond to each other, and the bottom of the pushing plate 101 is engaged in the engaging groove at the top of the auxiliary block 45, and the partition 52 is on the other side of the pushing plate 101. Therefore, when the tube bundle and the circular hole on the partition 52 are penetrated, they will first pass through the through groove 102 on the pushing plate 101, and then completely pass through the partition 52. Control the pushing assembly 11 so that the moving frame 41 drives the pushing plate 101 to move to the position of the partition 52, so that The friction arc block 103 on the inner side of the through groove 102 is engaged with the middle of the tube bundle and the circular hole to fix the tube bundle. Therefore, when the moving component 7 controls the auxiliary moving component 4 to move, it can also drive the tube bundle, the push plate 101 and the auxiliary moving component 4 to move together. After moving to the position of the next partition 52, the auxiliary moving component 4 at the bottom of the previous partition 52 is controlled again to separate. When separating, when the moving frame 41 moves, it will drive the auxiliary block 45 to one side. When the auxiliary block 45 moves, the engagement groove at the top thereof is engaged with the push plate 101, so that the push plate 101 does not fix the tube bundle. Then, the push plate 101 on the current partition 52 is controlled to fix the tube bundle. When the auxiliary moving component 4 is started, the movement and pipe threading of all the tube bundles can be performed again, thereby completing all the pipe threading work. When the pipe is threaded, no tilting phenomenon will occur. In the present application, the gap between the top of the auxiliary block 45 and the fixed frame 42 is greater than zero, so when the partition 52 and the push plate 101 are initially placed, the partition 52 is set toward the top position of the auxiliary block 45, and the bottom part is supported by the auxiliary block 45, and part of it is in a suspended state, which is convenient for the subsequent movement of the auxiliary plate 45.

[0024] Among them, according to Figure 4 and Figure 5 As shown, when the middle distance of the limit assembly 3 is changed, two adjusting assemblies 6 are symmetrically arranged inside the fixing seat 2, and the adjusting assemblies 6 include an adjusting motor 61 and an adjusting bidirectional screw rod 62. The top end of the adjusting motor 61 is coaxially connected with the adjusting bidirectional screw rod 62, and the outer portion of the adjusting bidirectional screw rod 62 is threadedly connected to the inner side of the sliding sleeve 31. Specifically, it is necessary to start the adjusting motor 61 so that it drives the adjusting bidirectional screw rod 62 at its top to rotate. The adjusting bidirectional screw rod 62 will be threadedly connected to the sliding sleeve 31, so that the sliding sleeve 31 drives the connecting seat 32 at its top to move, thereby achieving the effect of driving the adapting mechanism and the lifting mechanism 36 on the connecting seat 32 to move.

[0025] Among them, according to Figure 7 and Figure 8 As shown, the moving component 7 includes a driving mechanism 71 and a meshing mechanism 72. The driving mechanism 71 is arranged on the outside of the meshing mechanism 72 and is used to control the movement of the meshing mechanism 72. An intermediate slider 8 is arranged at the top of the meshing mechanism 72 and is connected to the bottom of the auxiliary moving component 4. The driving mechanism 71 includes a driving motor 711 and a driving gear 712, and the top of the driving motor 711 is coaxially connected to the driving gear 712.

[0026] The meshing mechanism 72 includes a meshing rack 721, a reset assembly 722 and a movable tooth block 723. The meshing rack 721 is provided with reset assemblies 722 and movable tooth blocks 723 at both sides thereof, and the meshing rack 721 and the movable tooth blocks 723 are meshed with the driving gear 712. The reset assembly 722 includes two rectangular blocks 7221, which are fixedly installed on the meshing rack 721 and the movable tooth block 723, respectively. A fixed column 7223 is provided in the middle of the two rectangular blocks 7221. One side of the fixed column 7223 is integrally installed with the rectangular block 7221 on the meshing rack 721, and the other side of the fixed column 7223 is slidably installed with the rectangular block 7221 on the movable tooth block 723. A reset spring 7222 is provided in the middle of the two rectangular blocks 7221. When controlling the movement of the auxiliary moving assembly 4, it is first necessary to start the driving motor 711 so that it drives the driving gear 712 at the top thereof to rotate, thereby making the driving gear 712 and the meshing rack 721 mesh with each other, and then making the meshing rack 721 drive the middle slider 8 at the top thereof to move, thereby completing the movement of the auxiliary moving assembly 4; In the present application, both sides of the outside of the meshing rack 721 are connected to the movable tooth block 723 through the reset assembly 722, so when the driving mechanism 71 is not closed in time, the moving distance of the meshing rack 721 is fixed, so when the staff fails to close the driving mechanism 71 in time, it will not affect the entire tooling; When the driving gear 712 is meshed with the outer movable tooth block 723, the rectangular block 7221 on the movable tooth block 723 is reset under the action of the reset spring 7222, so that the driving gear 712 is continuously meshed with the movable tooth block 723, thereby preventing the entire meshing mechanism 72 from continuously moving.

[0027] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An auxiliary tool for inserting a tube bundle of a heat exchanger, comprising a fixed bottom plate (1) which is arranged in a rectangular plate-like structure and is used for supporting and placing the entire tool, characterized in that: Two limit assemblies (3) driven to move by the adjustment assembly (6) are symmetrically arranged at the top of the fixed base (1), and the adjustment assembly (6) is arranged in a hollow structure inside the fixed seat (2). The fixed seat (2) is arranged above the fixed base (1). An auxiliary moving assembly (4) is arranged at equal intervals between the two limit assemblies (3) for assisting the penetration of the tube bundle. The upper part of the auxiliary moving assembly (4) and the limit assemblies (3) is used for placing the heat exchange tube bundle assembly (5). The limit assemblies (3) include an adapting mechanism and a lifting mechanism (36), and the adapting mechanism is used for flexibly adjusting the heat exchange tube bundle assembly (5) according to the size of the heat exchange tube bundle assembly (5). The lifting mechanism (36) is used for lifting the heat exchange tube bundle assembly (5) after the tube bundle assembly (5) is penetrated. The heat exchange tube bundle assembly (5) includes a tube sheet (51) and a partition (52). Two tube sheets (51) are symmetrically arranged, and the middle of the two is provided with a spacer (52). Partitions (52) are arranged at equal intervals between the movable frame (41) and the fixed frame (42). The bottom of the partitions (52) is engaged with the auxiliary movable assembly (4). A reinforcing assembly (10) is also arranged on the outer side of the partitions (52). The reinforcing assembly (10) and the partitions (52) are arranged at a middle position between the movable frame (41) and the fixed frame (42). The reinforcing assembly (10) and the partitions (52) are made of the same material. The reinforcing assembly (10) and the partitions (52) form a baffle mechanism. The reinforcement component (10) comprises a push plate (101), a through groove (102) and a friction arc block (103); the push plate (101) is evenly distributed with through grooves (102) corresponding to the circular holes on the tube plate (51); the size of the through grooves (102) is larger than the size of the circular holes; two friction arc blocks (103) are symmetrically arranged protruding inside the through grooves (102); and the outer wall of the protruding friction arc block (103) fits in the middle of the circular holes.

2. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 1, characterized in that: The adapting mechanism comprises a rotating mechanism (34) and a placement limiting plate (35), and the outer side of the placement limiting plate (35) is rotated at a different angle by means of the rotating mechanism (34), and the top end of the placement limiting plate (35) is arranged in an arc-shaped structure, the placement limiting plate (35) is arranged inside the reserved groove (33), and the reserved groove (33) is arranged at the top ends of both sides of the connecting seat (32), a sliding sleeve (31) is arranged at the bottom of the connecting seat (32) to be connected to the adjustment component (6), and the outside of the connecting seat (32) is provided with a rotating mechanism (34) to be connected to the placement limiting plate (35).

3. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 2, characterized in that: The rotating mechanism (34) comprises a rotating motor (341), a rotating gear (342) and a meshing gear (343); the outer side of the rotating gear (342) and the meshing gear (343) are meshed with each other, and the top end of the meshing gear (343) is connected to the bottom of the positioning plate (35) through a shaft, and the outer side of the rotating gear (342) is connected to the rotating motor (341).

4. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 1, characterized in that: The lifting mechanism (36) comprises a lifting cylinder (361) and a lifting plate (362), the top end of the lifting cylinder (361) is connected to the bottom end of the lifting plate (362), and the lifting mechanism (36) is arranged at a middle position of the connecting seat (32).

5. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 1, characterized in that: A moving component (7) is arranged at the center of the bottom of the auxiliary moving component (4), and the top of the moving component (7) is connected to the bottom of the auxiliary moving component (4) via an intermediate slider (8). Connecting sliders (9) are also arranged on both sides of the bottom of the auxiliary moving component (4) for performing sliding limiting work. The auxiliary moving component (4) comprises a moving frame (41), a fixed frame (42), a moving plate (43), a fixed plate (44) and an auxiliary block (45). The fixed frame (42) is arranged on the outside of the moving frame (41). 2) are respectively provided with a movable plate (43) and a fixed plate (44) at the bottom, an auxiliary block (45) is provided at a position slightly above the top of the movable frame (41), and a snap-fitting groove for snapping with the push plate (101) is provided at the top of the auxiliary block (45), and a gap between the other side of the auxiliary block (45) and the fixed frame (42) is greater than zero, the bottom of the movable plate (43) is moved by a pushing component (11), and the pushing component (11) is arranged in a slide groove (81) inside the middle slider (8), and the bottom of the fixed plate (44) is connected to the top of the middle slider (8).

6. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 1, characterized in that: Two adjusting components (6) are symmetrically arranged inside the fixing seat (2), and include an adjusting motor (61) and an adjusting bidirectional screw rod (62). The top end of the adjusting motor (61) is coaxially connected to the adjusting bidirectional screw rod (62), and the outside of the adjusting bidirectional screw rod (62) is threadedly connected to the inside of the sliding sleeve (31).

7. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 1, characterized in that: The moving assembly (7) comprises a driving mechanism (71) and a meshing mechanism (72); the driving mechanism (71) is arranged outside the meshing mechanism (72) and is used to control the meshing mechanism (72) to move; an intermediate slider (8) is arranged at the top end of the meshing mechanism (72) and is connected to the bottom of the auxiliary moving assembly (4); the driving mechanism (71) comprises a driving motor (711) and a driving gear (712); and the top end of the driving motor (711) is coaxially connected to the driving gear (712).

8. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 7, characterized in that: The meshing mechanism (72) comprises a meshing rack (721), a reset assembly (722) and a movable tooth block (723); the reset assembly (722) and the movable tooth block (723) are connected to each other at two sides of the meshing rack (721); the meshing rack (721) and the movable tooth block (723) are both meshed with the driving gear (712); the reset assembly (722) comprises two rectangular blocks (7221), and the reset assembly (722) is respectively disposed on the meshing rack ( The two rectangular blocks (7221) are fixedly mounted on the movable tooth block (721), a fixed column (7223) is arranged between the two rectangular blocks (7221), one side of the fixed column (7223) is integrally mounted with the rectangular block (7221) on the meshing rack (721), the other side of the fixed column (7223) is slidably mounted with the rectangular block (7221) on the movable tooth block (723), and a return spring (7222) is arranged between the two rectangular blocks (7221).

9. The auxiliary tooling for threading a tube bundle of a heat exchanger according to claim 5, characterized in that: The pushing assembly (11) comprises a slider (111) and a pushing cylinder (112); the slider (111) is arranged inside the slide groove (81), and its outer side is connected to the pushing cylinder (112); the top end of the slider (111) is connected to the bottom end of the moving plate (43).

Images