Device and method for installing tubular structural part in narrow space

Abstract

The invention provides a device and a method for installing a tubular structural member in a narrow space. Comprising a locking lantern ring assembly, a connecting rod assembly, a floating lifting ring assembly, a balancing weight assembly, an adjusting handle assembly and a locking assembly. One end of the connecting rod assembly is movably provided with the locking lantern ring assembly, the other end of the connecting rod assembly is movably provided with the balancing weight assembly or the adjusting handle assembly according to different working steps, and the floating hanging ring assembly is arranged on the connecting rod assembly in a sleeving mode. The connecting rod assembly can be stably connected with the locking lantern ring assembly, the balancing weight assembly and the adjusting handle assembly through the concave-convex connector and the locking assembly, and rapid disassembly can be achieved. The floating lifting ring assembly can axially slide along the connecting rod assembly. The device and a tubular structural part are locked through the locking lantern ring assembly, the locking lantern ring assembly is connected with the balancing weight assembly or the adjusting handle assembly through the connecting rod assembly, weight balance in the hoisting process is achieved through the balancing weight assembly, and the floating hoisting ring assembly slides in the axial direction of the connecting rod assembly. And the high-efficiency fitting and mounting requirements of the tubular structural member are met.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shipbuilding, in particular to a pipe type structure installation device and method in a narrow space. BACKGROUND

[0002] Traditional ship power plant construction, its power plant system is usually in the form of decentralized arrangement, each device is connected through the pipeline, forming a system loop. Shipbuilding site construction space is sufficient, and the installation process of equipment and pipeline is relatively mature.

[0003] With the gradual development of ship power plant, its composition tends to be integrated and integrated arrangement. For integrated and integrated new ship power plant, the internal pipe type structure of the container type equipment needs to be fitted and installed at the site of the general assembly to achieve the predetermined functional characteristics of the equipment.

[0004] However, the present application inventors found that the above-mentioned technology at least has the following technical problems in the process of implementing the technical scheme of the embodiments of the present application: Due to the narrow space inside the container type equipment, the operation of personnel and the use of tools are limited. During the installation of the internal pipe type structure of the container, it is not only impossible to ensure the fitting and installation requirements, but also there is a risk of bumping and damaging the equipment, thereby affecting the general assembly construction period. SUMMARY

[0005] In order to solve the problems existing in the prior art, in view of the quick and convenient installation of pipe type structure in the narrow space of container type equipment, the embodiments of the present application provide a pipe type structure installation device and method in a narrow space. The device adjusts the balance of the connecting rod hoisting by counterweight or adjusting handle and floating lifting lug assembly, to solve the technical problem of pipe type structure installation.

[0006] The scheme adopted by the embodiments of the present application to solve the technical problems is: A pipe type structure installation device in a narrow space, comprising a locking collar assembly, a connecting rod assembly, a floating lifting ring assembly, a counterweight assembly, an adjusting handle assembly and a locking assembly; One end of the connecting rod assembly is movably mounted with the locking collar assembly, and the other end is movably mounted with the counterweight assembly or the adjusting handle assembly, and is connected and fixed by the locking assembly, wherein the floating lifting ring assembly is sleeved on the connecting rod assembly.

[0007] Preferably, the locking collar assembly comprises a locking ring, a locking bolt I and a female joint. The locking ring is provided with an internal thread, the locking bolt I is movably assembled on the locking ring through a threaded structure, the internal thread of the locking ring is arranged at a position corresponding to the arrangement position of the fixing through hole of the tubular structural member, the end of the locking bolt I is screwed into the fixing through hole of the tubular structural member, and the fixed clamping is realized.

[0008] Preferably, the connecting rod assembly comprises a connecting rod and a male joint mounted at two ends of the connecting rod.

[0009] Preferably, the counterweight assembly comprises a counterweight and a female joint; the counterweight is an adjustable weight type counterweight, which is adjusted and adapted according to construction requirements and the weight of the structural member.

[0010] Preferably, the adjusting handle assembly comprises an adjusting handle and a female joint.

[0011] Preferably, the floating lifting lug assembly comprises a floating lifting lug and a locking bolt II, the floating lifting lug is sleeved on the outer edge of the connecting rod, the floating lifting lug is axially slidable along the connecting rod, the floating lifting lug is provided with an internal thread, and the locking bolt II is movably assembled on the floating lifting lug through a threaded structure.

[0012] Preferably, the locking assembly is a steel ball quick-release pin.

[0013] In order to further solve the technical problems to be solved in the embodiments of the present application, a tubular structural member installation method in a narrow space is provided in the embodiments of the present application, and a tubular structural member installation device in a narrow space is applied, comprising the following steps: Step one: the male joints at two ends of the connecting rod are respectively mounted in the female joints at the side ends of the locking ring and the counterweight, and the locking pin holes are aligned, the locking assembly is inserted into the locking pin holes, and the connection and fixation of the connecting rod, the locking ring and the counterweight are realized; Step two: the lifting belt of the crane is connected with the floating lifting lug, the floating lifting lug is adjusted to slide along the connecting rod to the preset center of gravity on the side deviated from the counterweight, the locking bolt II is tightened, the floating lifting lug is pulled by the lifting belt of the crane, and the device is lifted; Step three: the locking bolt I is retracted, the locking ring is inserted and mounted at the insertion sealing end of the tubular structural member, the locking bolt I is unscrewed, the bolt end of the locking bolt I is inserted into the fixing through hole of the tubular structural member, the fixation of the device and the tubular structural member is realized, and the floating lifting lug is pulled by the lifting belt of the crane to release the force; Step four: the locking bolt II is loosened, the floating lifting lug is adjusted to slide along the connecting rod to the preset center of gravity on the side deviated from the locking ring, the locking bolt II is tightened, the floating lifting lug is slightly lifted by the lifting belt of the crane, the lifting state is observed, if there is slight imbalance, the device is lowered back and the locking position of the floating lifting lug is slightly adjusted, until the device and the tubular structural member are balanced and stable after slight lifting; Step five: the floating lifting lug is pulled by the lifting belt of the crane, and the device and the tubular structural member are slowly transported to the installation position in the container type equipment under the condition that the construction personnel slightly support the device and the tubular structural member. Step six: disassemble the locking assembly on the side of the counterweight, and remove the counterweight assembly, i.e. the counterweight and the female joint; Step seven: fit the female joint on the side of the adjusting handle into the male joint on the connecting rod to be assembled, align the locking pin holes, install the locking assembly, and lock and fix the adjusting handle and the connecting rod; Step eight: the operator operates the adjusting handle, taking the floating lifting lug under the traction of the crane lifting belt as the fulcrum, and through the lengthened operating force arm, completes the accurate adjustment of the installation position of the pipe-shaped structural member; Step nine: disassemble the locking assembly, and transport the device out of the container-type equipment in two to three parts.

[0014] The positive effect is that the device is fixedly connected with the pipe-shaped structural member to be installed through the locking collar, the locking collar is connected with the counterweight or the adjusting handle through the connecting rod, the floating lifting lug assembly is used to adjust the lifting balance and realize the connection between the device and the crane lifting belt, the adjusting handle is used to realize the attitude adjustment and control of the pipe-shaped structural member before landing, and the high-efficiency trial fitting and installation requirements of the pipe-shaped structural member on the shipbuilding site are met. On the one hand, the limitations of personnel operation and tool use in the narrow space in the equipment are eliminated, the stability of the installation of the pipe-shaped structural member is ensured, and the probability of damage caused by the collision of the equipment is reduced. On the other hand, the construction efficiency of the ship power device is improved.

[0015] It is suitable to be used as a pipe-shaped structural member installation device and method in a narrow space. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a structural schematic diagram of the embodiment; Figure 2 It is a structural schematic diagram of the embodiment when the counterweight is used; Figure 3 It is a structural schematic diagram of the embodiment when the adjusting handle is used.

[0018] In the drawings, 1. locking bolt I, 2. locking ring, 3. locking assembly, 4. female joint, 5. male joint, 6. connecting rod, 7. floating lifting lug, 8. locking bolt II, 9. counterweight, 10. adjusting handle, 11. container-type equipment, 12. pipe-shaped structural member, 13. crane lifting belt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Although the embodiments of the present application have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0020] As shown in the drawings, a pipe type structural member installation device in a narrow space comprises a locking ring assembly, a connecting rod assembly, a floating lifting ring assembly, a counterweight assembly, an adjusting handle assembly and a locking assembly 3; One end of the connecting rod assembly movably installs the locking ring assembly, and the other end movably installs the counterweight assembly or the adjusting handle assembly, and is connected and fixed through the locking assembly 3, wherein the floating lifting ring assembly is sleeved on the connecting rod assembly.

[0021] The locking ring assembly comprises a locking ring 2, a locking bolt I 1 and a female joint 4. The locking bolt I 1 is movably arranged in the internal thread structure of the locking ring 2, the arrangement position of the locking bolt I 1 corresponds to the arrangement position of the fixed through hole of the pipe type structural member 12, the locking ring 2 is detachably installed in the plug-in sealing end of the pipe type structural member 12 in a partial plug-in mode, and a hand hole is arranged on the locking ring, so that a wrench can be inserted through the hand hole by a construction worker to rotate the locking bolt I 1, the bolt end of the locking bolt I 1 is inserted into the fixed through hole of the pipe type structural member 12, and the fixing of the locking ring 2 and the pipe type structural member 12 is realized.

[0022] The connecting rod assembly comprises a connecting rod 6 and male joints 5 installed at both ends of the connecting rod 6. The counterweight assembly comprises a counterweight 9 and a female joint 4. The adjusting handle assembly comprises an adjusting handle 10 and a female joint 4. The male joints 5 are fixedly installed at both ends of the connecting rod 6, the female joints 4 are fixedly installed at one end of the locking ring 2, the counterweight 9 and the adjusting handle 10, the male joint 5 is a square-shaped boss structure and is provided with a locking pin hole, and the female joint 4 is provided with a square-shaped groove structure and is provided with a locking pin hole; the male joint 5 can be plugged into the female joint 4, wherein the square-shaped joint form can realize rapid assembly and rapid alignment of the locking pin hole under the premise of ensuring the connection strength.

[0023] Specifically, the concave joint 4 is aligned and installed with the pin hole of the convex joint 5, the locking assembly 3 is movably installed, the locking assembly 3 is a ball head quick release pin, which is helpful for the quick connection and disassembly of the concave joint 4 and the convex joint 5 under the premise of meeting the reliable and stable connection, and then the use requirements of installing the counterweight block 9 and the adjusting handle 10 in different working conditions and different spatial states are met, and the use purpose of the device is achieved.

[0024] The counterweight block 9 is an adjustable weight type counterweight block, which is adjusted and adapted according to the construction requirements and the weight of the structural member.

[0025] The adjusting handle body is a long straight rod structure, and a supporting handle is arranged at the tail end. The floating lifting lug 7 under the traction of the crane lifting belt 13 is used as a fulcrum, the length of the operating force arm is increased, and the quick and accurate installation position adjustment of the tubular structural member 12 is completed.

[0026] The floating lifting lug 7 is sleeved on the outer edge of the connecting rod 6, the connecting rod 6 serves as a slide for the movement of the floating lifting lug 7, the floating lifting lug 7 can slide axially along the connecting rod 6 through manual adjustment of the construction personnel, which is helpful for ensuring that the lifting point coincides with the gravity center of the device under different working conditions and different hoisting configurations, and the safety and stability of hoisting are realized.

[0027] The floating lifting lug 7 is provided with an internal thread, the locking bolt II 8 is movably assembled on the floating lifting lug through the threaded structure, the locking bolt II 8 is manually tightened or loosened by the construction personnel, the locking and loosening of the connecting rod 6 and the floating lifting lug 7 are realized, the quick adjustment and fixation of the lifting point are realized, and the construction efficiency is improved.

[0028] The working process of the embodiment is as follows: The working process of the embodiment is as follows: Step 1: The convex joint 5 at both ends of the connecting rod 6 is respectively installed in the concave joint 4 at the side end of the locking ring 2 and the counterweight block 9, and the pin holes are aligned and locked, the locking assembly 3 is inserted into the locking pin hole, and the connection and fixation of the connecting rod 6, the locking ring 2 and the counterweight block 9 are realized.

[0029] Step 2: The crane lifting belt 13 is connected with the floating lifting lug 7, the floating lifting lug 7 is adjusted to slide axially along the connecting rod 6 to the preset gravity center deviated to one side of the counterweight block 9, the locking bolt II 8 is tightened, the crane lifting belt 13 pulls the floating lifting lug 7, and the device is lifted.

[0030] Step 3: The locking bolt I 1 is retracted, the device is slowly translated, the locking ring 2 is inserted and installed in the insertion sealing end of the tubular structural member 12, the locking bolt I 1 is unscrewed, the bolt end of the locking bolt I 1 is inserted into the fixed through hole of the tubular structural member 12, the device and the tubular structural member 12 are fixed, and the crane lifting belt 13 pulls the floating lifting lug 7 to release the force.

[0031] Step 4: Loosen the locking bolt II 8, adjust the floating lifting lug 7 to slide along the connecting rod 6 to the preset center of gravity on one side of the locking ring 2, tighten the locking bolt II 8, and the crane lifting belt 13 pulls the floating lifting lug 7 to slightly lift, and the lifting state is observed. If there is slight imbalance, the device is lowered and the locking position of the floating lifting lug 7 is slightly adjusted until the device is balanced and stable with the pipe structure 12.

[0032] Step 5: The crane lifting belt 13 pulls the floating lifting lug 7, and the device and the pipe structure 12 are slowly transported to the installation position in the container equipment 11 under the condition of being lightly supported by the construction personnel.

[0033] Step 6: Disassemble the locking assembly 3 on the side end of the counterweight block, and remove the counterweight block assembly, i.e. the counterweight block 9 and the female connector 4.

[0034] Step 7: The female connector 4 on the side end of the adjusting handle 10 is sleeved on the male connector 5 of the connecting rod to be assembled and is aligned with the locking pin hole. The locking assembly 3 is installed to realize the locking and fixing of the adjusting handle 10 and the connecting rod 6.

[0035] Step 8: The construction personnel operate the adjusting handle 10, taking the floating lifting lug 7 pulled by the crane lifting belt 13 as the fulcrum, to complete the accurate adjustment of the installation position of the pipe structure 12 by lengthening the operating force arm.

[0036] Step 9: Disassemble the locking assembly 3, and transport the device out of the container equipment 11 in two to three parts.

[0037] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for installing tubular structural components in a confined space, characterized in that: Including locking collar assembly, connecting rod assembly, floating ring assembly, counterweight assembly, adjusting handle assembly and locking assembly (3); A locking collar assembly is movably installed at one end of the connecting rod assembly, and a counterweight assembly or adjusting handle assembly is movably installed at the other end, and is connected and fixed by the locking assembly (3). The floating ring assembly is fitted onto the connecting rod assembly.

2. The tubular structural component installation device in a confined space according to claim 1, characterized in that: The locking collar assembly includes a locking ring (2), a locking bolt I (1), and a recessed connector (4). The locking ring (2) has an internal thread, and the locking bolt I (1) is movably assembled on the locking ring (2) through the thread structure. The position of the internal thread of the locking ring (2) corresponds one-to-one with the position of the fixed through hole of the tubular structure (12). The end of the locking bolt I (1) is screwed into the fixed through hole of the tubular structure (12) to achieve fixed clamping.

3. The tubular structural component installation device in a confined space according to claim 2, characterized in that: The linkage assembly includes a link (6) and protrusions (5) installed at both ends of the link (6); The counterweight assembly includes a counterweight (9) and a concave connector (4). The adjustment handle assembly includes an adjustment handle (10) and a recessed connector (4). Among them, the connecting rod (6) is fixedly installed with a convex joint (5) at both ends, and the locking ring (2), the counterweight (9) and the adjusting handle (10) are all fixedly installed with a concave joint (4) at one end; the convex joint (5) is a cubic boss structure with a locking pin hole, and the concave joint (4) is a cubic groove structure with a locking pin hole; the convex joint (5) can be inserted into the concave joint (4) to achieve quick assembly and quick alignment of the two locking pin holes, and with the locking assembly (3) to achieve quick disassembly of the connecting rod assembly, the counterweight assembly and the adjusting handle assembly.

4. The tubular structural component installation device in a confined space according to claim 3, characterized in that: The floating lug assembly includes a floating lug (7) and a locking bolt II (8); The floating lug (7) is provided with internal threads. The locking bolt II (8) is movably assembled on the floating lug (7) through the thread structure. The floating lug (7) is fitted on the outer edge of the connecting rod (6). The floating lug (7) can slide along the axial direction of the connecting rod (6) or be fixed at any axial position on the connecting rod (6) by the locking bolt II (8).

5. The tubular structural component installation device in a confined space according to claim 4, characterized in that: The main body of the adjustment handle is a long straight rod structure with a support handle at the tail end. The floating lug (7) under the traction of the crane sling (13) serves as the fulcrum. By lengthening the operating arm, the quick and accurate installation position adjustment of the tubular structural component (12) can be completed.

6. The tubular structural component installation device in a confined space according to claim 5, characterized in that: The counterweight (9) is an adjustable weight counterweight, which can be adjusted and adapted according to construction requirements and the weight of structural components.

7. The tubular structural component installation device in a confined space according to claim 6, characterized in that: The locking component (3) is a quick-release pin for steel balls.

8. A method for installing a tubular structural component in a confined space, using the device for installing a tubular structural component in a confined space as described in any one of claims 1-7, comprising the following steps: Step 1: Install the convex joints (5) at both ends of the connecting rod (6) into the concave joints (4) on the side of the locking ring (2) and the counterweight (9) respectively, and align them with the locking pin holes. Insert the locking component (3) into the locking pin holes to achieve the connection and fixation between the connecting rod (6) and the locking ring (2) and the counterweight (9). Step 2: Connect the crane sling (13) to the floating lug (7), adjust the floating lug (7) to slide along the connecting rod (6) axially to the preset center of gravity on the side biased towards the counterweight (9), tighten the locking bolt II (8), and use the crane sling (13) to pull the floating lug (7) to lift the device; Step 3: Retract the locking bolt I (1), slowly move the device horizontally, insert the locking ring (2) into the insertion sealing end of the tubular structural component (12), unscrew the locking bolt I (1), insert the bolt end of the locking bolt I (1) into the fixing through hole of the tubular structural component (12) to fix the device to the tubular structural component (12), and the crane sling (13) pulls the floating lifting lug (7) to unload the force; Step 4: Loosen the locking bolt II (8), adjust the floating lug (7) to slide along the connecting rod (6) axially to the preset center of gravity on the side biased towards the locking ring (2), tighten the locking bolt II (8), and the crane sling (13) pulls the floating lug (7) to lift it slightly. If there is a slight imbalance in the lifting state, lower the device and fine-tune the locking position of the floating lug (7) until the device and the tubular structure (12) are balanced and stable after slight lifting. Step 5: The crane hoist (13) pulls the floating lug (7) and slowly transfers the device and the tubular structural component (12) to the installation position inside the container equipment (11) with the help of the construction personnel. Step 6: Remove the locking assembly (3) on the side of the counterweight, and remove the counterweight assembly, namely the counterweight (9) and the concave connector (4). Step 7: Fit the concave connector (4) on the side of the adjusting handle (10) onto the convex connector (5) of the connecting rod to be assembled and align it with the locking pin hole. Install the locking assembly (3) to lock and fix the adjusting handle (10) and the connecting rod (6). Step 8: The construction personnel operate the adjustment handle (10), using the floating lifting lug (7) pulled by the crane sling (13) as the fulcrum, and by extending the operating lever arm, they complete the precise adjustment of the installation position of the tubular structural component (12); Step 9: Disassemble the locking assembly (3) and transport the device out of the container equipment (11) in two or three parts.

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