Sleeve tool for combined application of hydraulic wrenches

Abstract

The sleeving tool comprises a fixing sleeve assembly, a guide rail and a rotary handrail assembly, the top of the fixing sleeve assembly is detachably connected with the guide rail, the fixing sleeve assembly, the guide rail and the rotary handrail assembly are all annular, and the rotary handrail assembly is located on the outer side of the fixing sleeve assembly and the guide rail. A plurality of working assemblies are slidably connected to the guide rail. The working assembly comprises a wrench connecting plate and N sliding blocks, the upper end face of each sliding block is detachably connected with a corresponding self-resetting jack, the upper end faces of the self-resetting jacks are connected with the lower end face of the wrench connecting plate, N spline holes vertically penetrating through the wrench connecting plate are formed in the wrench connecting plate, and a wrench driving shaft is inserted into each spline hole; the upper portion of the wrench driving shaft is sleeved with a hydraulic wrench, and the lower portion of the wrench driving shaft sequentially penetrates through the wrench connecting plate and the compression spring and then is sleeved with a hexagonal sleeve. The outer end faces of all the sliding blocks are jointly connected with a rotary handrail assembly, and the whole sleeving tool is of a bilateral symmetry structure.

Description

Technical Field

[0001] The invention relates to the technical field of a hydraulic wrench combined use tool set, in particular to a hydraulic wrench combined use tool set which can improve flange installation speed and reduce labor intensity. Background Art

[0002] At present, when installing larger bolts in flanges, the installation tool hydraulic wrench is relatively heavy, the operator is laborious to operate, the installation speed is slow, the labor intensity is high, and the production efficiency is low. Especially when installing larger bolts in flanges, the installation tool hydraulic wrench is overweight, the manual operation is laborious, the installation speed is slow, the labor intensity is high, there are safety hazards, and the production efficiency is also reduced.

[0003] There is no solution to the above technical problems on the market yet. Summary of the invention

[0004] In view of the above problems, the present invention proposes a set tool for combined application of hydraulic wrenches, which can overcome the above shortcomings of the prior art.

[0005] To achieve the above technical objectives, the technical solution of the present invention is implemented as follows: A set tool for combined application of a hydraulic wrench, comprising a fixed sleeve assembly, a guide rail and a rotating armrest assembly, wherein the top of the fixed sleeve assembly is detachably connected to the guide rail, the fixed sleeve assembly, the guide rail and the rotating armrest assembly are all ring-shaped, the rotating armrest assembly is located outside the fixed sleeve assembly and the guide rail, and a plurality of working assemblies are slidably connected to the guide rail; The working assembly includes a wrench connecting plate and N sliders, the upper end surface of each slider is detachably connected to a corresponding self-resetting jack, the upper end surface of the self-resetting jack is connected to the lower end surface of the wrench connecting plate, and the wrench connecting plate is provided with N spline holes vertically penetrating therethrough, and a wrench drive shaft is inserted into each spline hole, N≧1; The upper part of the wrench drive shaft is sleeved with a hydraulic wrench, and the lower part of the wrench drive shaft passes through the wrench connecting plate and the compression spring in sequence and then sleeved with a hexagonal sleeve, the bottom of the wrench connecting plate is connected to the top of the compression spring, the bottom of the compression spring is connected to the top of the hexagonal sleeve, and the hexagonal sleeve is provided with a square hole for the wrench drive shaft to be inserted; The outer end surfaces of all the sliding blocks are commonly connected to the inner wall of the rotating handrail assembly.

[0006] Preferably, two working components are slidably connected to the guide rail, and of course the number of working components can be determined according to actual needs.

[0007] Preferably, the outer end surface of the slider is fixedly connected or detachably connected to the inner wall of the rotating armrest assembly, and the fixed connection method is preferably welding. In this way, all working components are connected to the inner wall of the rotating armrest assembly through the outer end surfaces of their respective sliders.

[0008] Preferably, N=2, that is, in each working component, the number of sliders is 2, the number of self-resetting jacks is 2, and the wrench connecting plate is provided with 2 spline holes.

[0009] Preferably, the fixing sleeve assembly comprises two detachably connected fixing sleeves, and both fixing sleeves are semi-annular in shape and have the same specifications.

[0010] Preferably, a plurality of through holes are respectively provided at both ends of the fixing sleeve, and every two corresponding through holes are fixed by a hexagonal bolt and a hexagonal nut.

[0011] Preferably, two through holes are respectively provided at both ends of the fixing sleeve, and the specifications of the hexagonal head bolt and the hexagonal nut may be M20.

[0012] Preferably, the rotatable armrest assembly comprises two detachably connected rotatable armrests, and both rotatable armrests are semi-annular in shape and have the same specifications.

[0013] Preferably, both ends of the rotating armrest are respectively provided with armrest connecting plates, and the armrest connecting plates are provided with a plurality of through holes, and every two corresponding through holes are respectively fixed by two hexagonal bolts and two hexagonal nuts.

[0014] Preferably, two through holes 2 are preferably provided on the handrail connecting plate, and the specifications of the hexagonal bolts 2 and the hexagonal nuts 2 are preferably M10.

[0015] Preferably, the guide rail is fixed to the fixing sleeve assembly by a plurality of hexagon socket head screws.

[0016] Preferably, the specification of the hexagon socket head screw is preferably M12.

[0017] Preferably, two opposite side end surfaces of the sliding block are fixed to the self-resetting jack via a plurality of hexagonal flat-end set screws.

[0018] Preferably, the slider is preferably fixed to the self-resetting jack by two hexagon socket flat-end set screws, and the specification of the hexagon socket flat-end set screw is preferably M10.

[0019] Preferably, the wrench connecting plate is fixed to the corresponding self-resetting jack by means of two hexagon socket head screws.

[0020] Preferably, the specification of the hexagon socket head screw 2 is preferably M16, and the hexagon socket head screw 2 and the self-resetting jack can be in a one-to-one relationship or a many-to-one relationship.

[0021] Preferably, a threaded hole corresponding to each spline hole is provided on the side end face of the wrench connecting plate, and each threaded hole is connected to a hexagon socket flat-end set screw 2. The wrench connecting plate fixes the wrench drive shaft through the cooperation of the threaded hole and the hexagon socket flat-end set screw 2.

[0022] Preferably, the second specification of the hexagon socket flat-point set screw is preferably M8.

[0023] Preferably, the hexagonal socket is provided with a connecting pin for fixing the wrench drive shaft.

[0024] Preferably, the connecting pin passes transversely through the square hole provided in the hexagonal sleeve.

[0025] Preferably, a rubber anti-drop ring is sleeved on the circumferential surface of the hexagonal sleeve.

[0026] Preferably, the entire tool set has a symmetrical structure.

[0027] Preferably, the entire set of tools is symmetrical about the virtual center of the plane of the fixed set component.

[0028] The beneficial effects achieved by this product: This product has a simple structure and is easy to operate. It solves the problem of rapid verification and calibration of hydraulic bolt tensioners, speeds up installation, overcomes the problem of overweight of the installation tool hydraulic wrench, reduces labor intensity, avoids safety hazards, and improves production efficiency.

[0029] This product improves the flange installation method, speeds up flange installation, improves work efficiency, and reduces labor intensity. This product is easy to operate in the manufacturing workshop, laboratory, or engineering site, with low requirements for manual skills. Operators can quickly get started, further reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention is further described in detail below with reference to the accompanying drawings.

[0031] Figure 1 It is a structural schematic diagram of the tool set of the present invention.

[0032] Figure 2 yes Figure 1 The enlarged view of point F in the middle is the structural diagram of the working component.

[0033] Figure 3 It is a side cross-sectional view of the working assembly of the present invention when in operation.

[0034] Figure 4 This is an application scenario diagram of the tool set described in the present invention.

[0035] In the figure: 1. fixing sleeve; 2. one hexagon bolt; 3. one hexagon nut; 4. guide rail; 5. one hexagon socket head screw; 6. slider; 7. swivel handrail; 8. handrail connecting plate; 9. two hexagon bolts; 10. two hexagon nuts; 11. self-resetting jack; 12. one hexagon socket flat end set screw; 13. wrench connecting plate; 14. two hexagon socket head screws; 15. hydraulic wrench; 16. wrench drive shaft; 17. two hexagon socket flat end set screws; 18. compression spring; 19. hexagon socket 20. connecting pin; 21. rubber anti-drop ring; 22. fan drive chain; 23. on-site flange bolts and nuts. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0037] like Figure 1-4 As shown, in order to facilitate understanding of the above technical solutions of the present invention, the above technical solutions of the present invention are described in detail below through specific usage methods.

[0038] When in use, the set tool for combined application of hydraulic wrenches of the present invention comprises a fixed sleeve assembly, a guide rail 4 and a rotating armrest assembly, the top of the fixed sleeve assembly is detachably connected to the guide rail 4, the fixed sleeve assembly, the guide rail 4 and the rotating armrest assembly are all annular, the rotating armrest assembly is located outside the fixed sleeve assembly and the guide rail 4, and a plurality of working assemblies are slidably connected to the guide rail 4; The working assembly includes a wrench connecting plate 13 and N sliders 6. The upper end surface of the slider 6 is detachably connected to a corresponding self-resetting jack 11. The upper end surface of each self-resetting jack 11 is connected to the lower end surface of the wrench connecting plate 13. The wrench connecting plate 13 is provided with N spline holes vertically penetrating therethrough. A wrench driving shaft 16 is inserted into each spline hole, and N≧1. The upper part of the wrench drive shaft 16 is sleeved with a hydraulic wrench 15, and the lower part of the wrench drive shaft 16 passes through the wrench connecting plate 13 and the compression spring 18 in sequence and then sleeved with a hexagonal sleeve 19, the bottom of the wrench connecting plate 13 is connected to the top of the compression spring 18, and the bottom of the compression spring 18 is connected to the top of the hexagonal sleeve 19, and the hexagonal sleeve 19 is provided with a square hole for the wrench drive shaft 16 to be inserted; The outer end surfaces of all the sliding blocks 6 are commonly connected to the inner wall of the rotating handrail assembly.

[0039] In a certain embodiment, two working components are preferably slidably connected to the guide rail 4. Of course, the number of working components can be determined according to actual needs.

[0040] In one embodiment, the outer end surface of the slider 6 is fixedly connected or detachably connected to the inner wall of the rotating handrail assembly, and the fixed connection method is preferably welding. In this way, all working components are connected to the inner wall of the rotating handrail assembly through the outer end surfaces of their respective sliders 6.

[0041] In a certain embodiment, N=2----that is, in each working assembly, the number of sliders 6 is 2, the number of self-resetting jacks 11 is 2, and the wrench connecting plate 13 is provided with 2 spline holes.

[0042] In one embodiment, the fixing sleeve assembly includes two detachably connected fixing sleeves 1, and both fixing sleeves 1 are semi-annular in shape and have the same specifications.

[0043] In a certain embodiment, a plurality of through holes are respectively provided at both ends of the fixing sleeve 1 , and every two corresponding through holes are fixed by a hexagonal bolt 2 and a hexagonal nut 3 .

[0044] In a certain embodiment, two through holes 1 are respectively provided at both ends of the fixing sleeve 1, and the specifications of the hexagonal head bolt 1 2 and the hexagonal nut 1 3 can be M20.

[0045] In one embodiment, the rotating armrest assembly includes two detachably connected rotating armrests 7, and both rotating armrests 7 are semi-annular in shape with the same specifications.

[0046] In a certain embodiment, an armrest connecting plate 8 is provided at both ends of the rotating armrest 7, and a plurality of through holes are provided on the armrest connecting plate 8. Every two corresponding through holes are fixed by a hexagonal bolt 9 and a hexagonal nut 10, respectively.

[0047] In a certain embodiment, the handrail connecting plate 8 is preferably provided with two through holes 2, and the specifications of the hexagonal bolts 2 9 and the hexagonal nuts 2 10 are preferably M10.

[0048] In a certain embodiment, the guide rail 4 is fixed to the fixing sleeve assembly by a plurality of hexagon socket head screws 5.

[0049] In one embodiment, the specification of the hexagon socket head screw is preferably M12.

[0050] In a certain embodiment, two opposite side end surfaces of the slider 6 are fixed to the self-resetting jack 11 through a plurality of hexagonal flat-end set screws 12.

[0051] In a certain embodiment, the slider 6 is preferably fixed to the self-resetting jack 11 by two hexagon socket flat-end set screws 12, and the specification of the hexagon socket flat-end set screws 12 is preferably M10.

[0052] In one embodiment, the wrench connecting plate 13 is fixed to the corresponding self-resetting jack 11 via a hexagon socket head screw 14 .

[0053] In a certain embodiment, the specification of the hexagon socket head screw 14 is preferably M16, and the hexagon socket head screw 14 and the self-resetting jack 11 can be in a one-to-one relationship or a many-to-one relationship.

[0054] In a certain embodiment, a threaded hole corresponding to each spline hole is provided on the side end surface of the wrench connecting plate 13, and each threaded hole is connected to a hexagon socket flat-end set screw 17. The wrench connecting plate 13 fixes the wrench drive shaft 16 through the cooperation of the threaded hole and the hexagon socket flat-end set screw 17.

[0055] In a certain embodiment, the specification of the hexagon socket flat-point set screw 17 is preferably M8.

[0056] In one embodiment, the hexagonal socket 19 is provided with a connecting pin 20 for fixing the wrench drive shaft 16 .

[0057] In one embodiment, the connecting pin 20 passes transversely through the square hole of the hexagonal sleeve 19 .

[0058] In one embodiment, a rubber anti-drop ring 21 is sleeved on the circumferential surface of the hexagonal sleeve 19 .

[0059] In one embodiment, the tool set as a whole preferably has a symmetrical structure.

[0060] In one embodiment, the entire set of tools is preferably symmetrical about the virtual center of the plane of the fixed set component.

[0061] Working principle: insert two hexagonal bolts 2 (specification can be M20) into the through holes on both sides of the two fixing sleeves 1, and use two hexagonal nuts 3 (specification can be M20) to lock and fix the two fixing sleeves 1. The upper end faces of the two fixing sleeves 1 are respectively provided with guide rails 4, and the guide rails 4 are fixed to the fixing sleeves 1 with a number of hexagon socket head screws 5 (specification can be M12). A slider 6 is provided on the guide rail 4, and a rotating handrail 7 is provided on the outer end face of the slider 6. The two end faces of the rotating handrail 7 are provided with handrail connecting plates 8. Two hexagonal bolts 9 (specification can be M10) and two hexagonal nuts 10 (specification can be M10) can be provided through the through holes at both ends of the handrail connecting plate 8, so as to lock and fix the two rotating handrails 7.

[0062] A self-resetting jack 11 is provided in the inner hole of the upper end surface of the slider 6, and the self-resetting jack 11 is fixed by two hexagon socket flat-end set screws 12 (the specification can be M10) on the end surfaces of both sides of the slider 6. A wrench connecting plate 13 is provided on the upper end surface of the self-resetting jack 11, and the wrench connecting plate 13 is fixed by two hexagon socket cylindrical head screws 14 (the specification can be M16), and two wrench drive shafts 16 passing through the two spline holes on the wrench connecting plate 13 are inserted. Two hexagon socket flat-end set screws 17 (the specification can be M8) are inserted into the threaded holes on the side of the wrench connecting plate 13 to fix the wrench drive shaft 16. A hydraulic wrench 15 is sleeved on the upper end of the hydraulic wrench drive shaft 16, and a compression spring 18 and a hexagonal sleeve 19 are sleeved on the lower end. The upper end of the compression spring 18 is connected to the lower end of the hydraulic wrench drive shaft 16, and the lower end of the compression spring 18 is connected to the upper end of the hexagonal sleeve 19. The hexagonal sleeve 19 is provided with a square hole for inserting the lower end of the wrench drive shaft 16, and a connecting pin 20 is provided through the vertical axis through hole of the hexagonal sleeve 19. A rubber anti-drop ring 21 is sleeved on the circumferential surface of the hexagonal sleeve 19.

[0063] Connect the hydraulic wrench 15 to the oil pipe and the hydraulic wrench hydraulic pump station, connect the self-resetting jack 11 to the oil pipe and the self-resetting jack pump station, start the self-resetting jack pump station, and lift the wrench connecting plate 13 with the self-resetting jack 11 to drag the hydraulic wrench 15 and the hexagonal sleeve 19 connection assembly upward. At this time, the lower end surface of the hexagonal sleeve 19 is higher than the height of the on-site flange bolt nut 23. Rotate the rotating handrail 7 to align the center of the hexagonal sleeve 19 with the center of the on-site flange bolt nut 23 to be locked. The self-resetting jack pump station is depressurized, and the wrench connecting plate 13 is dragged upward. The hydraulic wrench 15 and the hexagonal socket 19 connecting assembly are reset. At this time, the lower end surface of the hexagonal socket 19 contacts the upper end surface of the flange bolt and nut 23 on site. The hydraulic wrench pump station is started, the remote control is manually controlled, and the wrench drive shaft 16 drives the hexagonal socket 19 to rotate. Under the downward pressure of the compression spring 18, the hexagonal lower end of the hexagonal socket 19 is completely covered on the locking nut. The oil pressure of the hydraulic wrench pump station is adjusted according to the wrench comparison table to lock the bolts and nuts. The hydraulic wrench pump station is depressurized to complete the locking work. The cycle operation is carried out, and the hydraulic wrench is used in a one-to-four manner to improve efficiency.

[0064] Example of implementation steps: (S1) Place the tool set at the flange center axis of the fan drive chain 22 (i.e., working condition), such as Figure 4 shown.

[0065] (S2) Put the two fixing sleeves 1 on the flange of the fan transmission chain 22 (i.e., working condition), and tighten and fix them on both sides with hexagonal head bolts 2 and hexagonal nuts 3.

[0066] (S3) The rotating handrails 7 on both sides are locked and fixed through the handrail connecting plate 8 with the hexagonal bolts 9 and the hexagonal nuts 10, and the rotating handrails 7 can rotate freely with the slider 6.

[0067] (S4) The self-resetting jacks 11 on both sides are connected to the oil pipes and the self-resetting jack pump station, and then the hydraulic wrenches 15 on both sides are connected to the oil pipes and the hydraulic wrench pump station. The operator operates according to the manual, starts the pump station, and starts working.

[0068] (S5) can use hydraulic wrench 15 as one to four (one set tool, 2 working components, 4 hydraulic wrenches), cycle operation, improve efficiency.

[0069] In summary, this product adopts the above unique design. This product has a simple structure and is easy to operate. It solves the problem of rapid verification and calibration of hydraulic bolts and hydraulic wrenches, thereby speeding up installation, reducing labor intensity, and improving production efficiency. This product is easy to operate in the manufacturing workshop, laboratory, or engineering site, with low requirements for manual skills. Operators can quickly get started, further reducing costs.

[0070] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

Claims

1. A set of tools for combined use of hydraulic wrenches, characterized in that: It comprises a fixed sleeve assembly, a guide rail (4) and a rotating armrest assembly, wherein the top of the fixed sleeve assembly is detachably connected to the guide rail (4), the fixed sleeve assembly, the guide rail (4) and the rotating armrest assembly are all annular, the rotating armrest assembly is located outside the fixed sleeve assembly and the guide rail (4), and a plurality of working assemblies are slidably connected to the guide rail (4); The working assembly comprises a wrench connecting plate (13) and N sliders (6), the upper end surface of each slider (6) is detachably connected to a corresponding self-resetting jack (11), the upper end surface of the self-resetting jack (11) is connected to the lower end surface of the wrench connecting plate (13), the wrench connecting plate (13) is provided with N spline holes vertically penetrating therethrough, each spline hole is inserted with a wrench driving shaft (16), and N≧1; The upper part of the wrench drive shaft (16) is sleeved with a hydraulic wrench (15), and the lower part of the wrench drive shaft (16) passes through the wrench connecting plate (13) and the compression spring (18) in sequence and then sleeved with a hexagonal sleeve (19), the bottom of the wrench connecting plate (13) is connected to the top of the compression spring (18), the bottom of the compression spring (18) is connected to the top of the hexagonal sleeve (19), and the hexagonal sleeve (19) is provided with a square hole for inserting the wrench drive shaft (16); The outer end surfaces of all the sliding blocks (6) are commonly connected to the inner wall of the rotating armrest assembly.

2. The tool kit according to claim 1, characterized in that: Said N=2----that is, in each said working assembly, the number of said slide blocks (6) is 2, the number of said self-resetting jacks (11) is 2, and the said spanner connecting plate (13) is provided with 2 spline holes.

3. The tool kit according to claim 2, characterized in that: The fixing sleeve assembly comprises two detachably connected fixing sleeves (1), and the two fixing sleeves (1) are both semi-annular in shape with the same specifications.

4. The tool kit according to claim 3, characterized in that: The two ends of the fixing sleeve (1) are respectively provided with a plurality of through holes, and every two corresponding through holes are fixed by a hexagonal bolt (2) and a hexagonal nut (3).

5. The tool kit according to claim 1, wherein: The rotating armrest assembly comprises two detachably connected rotating armrests (7), and the two rotating armrests (7) are both semi-annular with the same specifications.

6. The tool kit according to claim 5, characterized in that: The two ends of the rotating armrest (7) are respectively provided with armrest connecting plates (8), and the armrest connecting plates (8) are provided with a plurality of through holes, and every two corresponding through holes are respectively fixed by two hexagonal bolts (9) and two hexagonal nuts (10).

7. The tool kit according to claim 1, characterized in that: The guide rail (4) is fixed to the fixing sleeve assembly via a plurality of hexagon socket head screws (5); The two opposite side end surfaces of the sliding block (6) are fixed to the self-resetting jack (11) via a plurality of hexagon socket flat-end set screws (12); The wrench connecting plate (13) is fixed to the corresponding self-resetting jack (11) via a second hexagon socket head screw (14); The side end surface of the wrench connecting plate (13) is provided with threaded holes corresponding to each of the spline holes, and each of the threaded holes is connected with a second hexagon socket flat-end set screw (17). The wrench connecting plate (13) fixes the wrench drive shaft (16) through the cooperation of the threaded holes and the second hexagon socket flat-end set screw (17).

8. The tool kit according to claim 1, wherein: The hexagonal sleeve (19) is provided with a connecting pin (20) for fixing the wrench drive shaft (16), and the connecting pin (20) transversely passes through a square hole provided in the hexagonal sleeve (19).

9. The tool kit according to claim 1, wherein: A rubber anti-drop ring (21) is sleeved on the circumferential surface of the hexagonal sleeve (19).

10. The tool kit according to claim 1, wherein: The entire set of tools is symmetrical about the virtual center of the plane of the fixed set component.

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