Pull rod dismounting tool and method

Abstract

The invention provides a pull rod dismounting tool and method.The pull rod dismounting tool comprises a tool base, a transverse plate is fixed to one side of the top of the tool base, vertical plates are symmetrically fixed to the top of the transverse plate, a movable clamp mechanism used for fixing the tip end of a pull rod is installed between the vertical plates, a lower support is fixed to the top of the tool base, and an upper support is hinged to the lower support through a pin shaft; a jack mounting seat is fixed at the top of the upper support, and a jack is mounted on the jack mounting seat; the device further comprises a pull rod clamp mechanism used for clamping the pull rod body, and the pull rod clamp mechanism is matched with the jack and used for disassembling the pull rod. According to the dismounting tool, the jack is used as dismounting power, so that the pull rod is dismounted, the dismounting efficiency is effectively improved, and the dismounting difficulty is reduced.

Description

Technical Field

[0001] The invention belongs to the field of threaded connection tie rod disassembly devices, and in particular relates to tie rod disassembly tooling and a method. Background Art

[0002] In the process of precision steel tube drawing, long pull rods are required, see Figure 5 The long pull rod is connected by a pull rod tip 22 and a pull rod body 28 through threads. During the replacement and disassembly process of the pull rod tip 22, both need to be disassembled. Since the two are connected by threaded matching and the connection is relatively tight, it is impossible to disassemble the two by manpower. Summary of the invention

[0003] The purpose of the present invention is to provide a tie rod disassembly tool and method, wherein the disassembly tool uses a jack as a disassembly power to achieve disassembly of the tie rod, thereby effectively improving disassembly efficiency and reducing disassembly difficulty.

[0004] In order to realize the above-mentioned technical features, the purpose of the present invention is achieved as follows: a pull rod disassembly tool comprises a tool base, a horizontal plate is fixed on one side of the top of the tool base, a vertical plate is symmetrically fixed on the top of the horizontal plate, a movable clamp mechanism for fixing the tip of the pull rod is installed between the vertical plates, a lower support is fixed on the top of the tool base, an upper support is hinged on the lower support through a pin shaft, a jack mounting seat is fixed on the top of the upper support, and a jack is installed on the jack mounting seat; it also includes a pull rod clamp mechanism for clamping the pull rod body, the pull rod clamp mechanism cooperates with the jack to disassemble the pull rod.

[0005] The tooling base comprises an I-beam base arranged in parallel, a rectangular frame top plate is fixed on the top of the I-beam base, and a cross plate is fixed on the top of the rectangular frame top plate.

[0006] A reinforcing plate is arranged between the outer wall of the vertical plate and the horizontal plate.

[0007] The movable clamp mechanism includes a rectangular groove processed on the inner wall of the vertical plate, and a slide groove is processed on the rectangular groove. A lower clamp is slidably installed between the lower parts of the slide groove. The lower clamp cooperates with the upper clamp, and the upper clamp is slidably set between the upper parts of the slide groove. The lower clamp and the upper clamp are fixedly connected by symmetrically arranged tensioning screws.

[0008] Limit bolts are fixed at both ends of the lower clamp, and the limit bolts pass through the slide slots; The lower clamp and the upper clamp are provided with through holes for passing the tightening screw.

[0009] The inner side walls of the lower clamp and the upper clamp are matched with each other and are provided with a V-shaped groove, which matches with the outer wall of the tip of the pull rod; The inner side wall of the V-shaped slot is provided with tooth grooves.

[0010] The central parts of the lower clamp and the upper clamp are processed with insertion holes, and the parts where the insertion holes are located are inserted with positioning bolts, and the positioning bolts pass through the pull rod through holes on the tip of the pull rod.

[0011] The pull rod clamp mechanism comprises a first flat-mouth clamp, the first flat-mouth clamp is fixed with a second flat-mouth clamp via a flat-clamp screw, and the length of the second flat-mouth clamp is greater than that of the first flat-mouth clamp.

[0012] The jack is connected to a manual pump via a hydraulic pipe, and a manual operating lever is installed on the manual pump; A bottom supporting screw is arranged on the transverse plate and at the bottom center of the lower clamp.

[0013] A method for disassembling a pull rod, the method for disassembling the pull rod being implemented by using the disassembly tool, comprises the following steps: Step 1, fix the tip of the tie rod: According to the position and basic size of the pull rod tip of the pull rod to be removed, preliminarily adjust the position of the lower clamp between the vertical plates and fix it, then place the pull rod tip on the lower clamp, and then fix the upper clamp, use the positioning bolt to pass through the sockets on the upper clamp and the lower clamp, and at the same time pass through the pull rod through hole, so as to fix the angle of the pull rod tip; Step 2, Arrangement and installation of the jack: Load the jack onto the jack mount; Step 3, fix the pull rod body: According to the position of the jack, determine the installation position of the tie rod clamp mechanism, then fix the tie rod clamp mechanism on the tie rod body, and ensure that the piston rod of the jack is in contact with the second flat clamp of the tie rod clamp mechanism; Step 4, disassembly of the pull rod body: Start the jack, push the second flat-mouth clamp of the tie rod clamp mechanism through the piston rod of the jack, and then drive the tie rod body to rotate through the tie rod clamp mechanism, so that the tie rod body and the tie rod tip rotate relative to each other, and finally realize the disassembly of the two; Step 5, disassembly of the pull rod clamp mechanism: After the tie rod tip and tie rod body are completely disassembled, disassemble the corresponding tie rod clamp mechanism and remove the tie rod body; Step 6, disassembly of the tie rod tip: After the tip of the tie rod is disassembled, remove the positioning bolt, the upper clamp and the lower clamp, and then disassemble the tip of the tie rod.

[0014] The present invention has the following beneficial effects: 1. By adopting the disassembly tool of the present invention, the jack can be used as a disassembly power to realize the disassembly of the pull rod, which effectively improves the disassembly efficiency and reduces the disassembly difficulty.

[0015] 2. The tooling base can be used to effectively and reliably support the entire disassembly tooling, thereby ensuring the stability of the support.

[0016] 3. The structural strength and stability of the vertical plate are ensured by the above-mentioned reinforcement plate.

[0017] 4. The movable clamp mechanism can realize reliable clamping and fixing of the tip of the pull rod, and the sliding adjustment between the lower clamp and the upper clamp can be realized through the sliding groove.

[0018] 5. The tightening screw can be easily passed through the through hole, thereby achieving reliable fixation of the lower clamp and the upper clamp.

[0019] 6. The above-mentioned limit bolt can be used to position the tip of the pull rod, thereby preventing it from rotating during the disassembly process.

[0020] 7. The above-mentioned tooth grooves can effectively increase the friction between the tip of the pull rod during the clamping process.

[0021] 8. The bottom support screw mentioned above can subsequently provide reliable support for the lower clamp after the position adjustment is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is the front view of the present invention.

[0024] Figure 2 It is a side view of the present invention.

[0025] Figure 3 It is a structural diagram of the pull rod clamp mechanism of the present invention.

[0026] Figure 4 It is a structural diagram of the lower clamp and the upper clamp combined with the present invention.

[0027] Figure 5 It is a top view of the lower clamp of the present invention.

[0028] Figure 6 It is a front view of the tooling base of the present invention.

[0029] Figure 7 It is a top view of the tooling base of the present invention.

[0030] Figure 8 It is a front view of the vertical plate installation structure of the present invention.

[0031] Fig. 9 It is a top view of the vertical plate installation structure of the present invention.

[0032] Fig.10 It is a side view of the vertical plate installation structure of the present invention.

[0033] Fig.11 It is a three-dimensional diagram of the present invention.

[0034] Fig.12 It is a structural diagram of the pull rod of the present invention.

[0035] In the figure: I-beam base 1, rectangular frame top plate 2, cross plate 3, reinforcement plate 4, limit bolt 5, lower clamp 6, vertical plate 7, upper clamp 8, tightening screw 9, jack 10, bottom support screw 11, V-shaped groove 12, jack 13, jack mounting seat 14, upper support 15, lower support 16, slide groove 17, second flat clamp 18, flat clamp screw 19, first flat clamp 20, rectangular groove 21, pull rod tip 22, through hole 23, hydraulic pipe 24, manual operating lever 25, manual pump 26, through hole 27, pull rod body 28. DETAILED DESCRIPTION

[0036] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0037] like Figure 1-12 As shown, the tie rod disassembly tool includes a tool base, a horizontal plate 3 is fixed on one side of the top of the tool base, a vertical plate 7 is symmetrically fixed on the top of the horizontal plate 3, a movable clamp mechanism for fixing the tip 22 of the tie rod is installed between the vertical plates 7, a lower support 16 is fixed on the top of the tool base, an upper support 15 is hinged on the lower support 16 through a pin shaft, a jack mounting seat 14 is fixed on the top of the upper support 15, and a jack 13 is installed on the jack mounting seat 14; it also includes a tie rod clamp mechanism for clamping the tie rod body 28, the tie rod clamp mechanism cooperates with the jack 13 to disassemble the tie rod. This disassembly tool uses the jack as the disassembly power to achieve the disassembly of the tie rod, which effectively improves the disassembly efficiency and reduces the disassembly difficulty. In the specific use process, by Furthermore, the tool base includes an I-beam base 1 arranged in parallel, a rectangular frame top plate 2 is fixed on the top of the I-beam base 1, and a cross plate 3 is fixed on the top of the rectangular frame top plate 2. The tool base can be used to effectively and reliably support the entire disassembly tool, thereby ensuring the stability of the support.

[0038] Furthermore, a reinforcing plate 4 is provided between the outer wall of the vertical plate 7 and the horizontal plate 3. The structural strength and stability of the vertical plate 7 are ensured by the reinforcing plate 4.

[0039] Furthermore, the movable clamp mechanism includes a rectangular groove 21 processed on the inner side wall of the vertical plate 7, and a slide groove 17 is processed on the rectangular groove 21. The lower clamp 6 is slidably installed between the lower parts of the slide groove 17. The lower clamp 6 cooperates with the upper clamp 8. The upper clamp 8 is slidably arranged between the upper parts of the slide groove 17. The lower clamp 6 and the upper clamp 8 are fixedly connected by symmetrically arranged tension screws 9. The above-mentioned movable clamp mechanism can realize reliable clamping and fixing of the tip of the pull rod 22, and the above-mentioned slide groove 17 can realize sliding adjustment between the lower clamp 6 and the upper clamp 8. In addition, the above-mentioned tension screw 9 can realize reliable clamping between the lower clamp 6 and the upper clamp 8, thereby realizing reliable fixing of the tip of the pull rod 22 during the disassembly process.

[0040] Furthermore, the two ends of the lower clamp 6 are fixed with limit bolts 5, and the limit bolts 5 pass through the slide slots 17. The limit bolts 5 can be used to position the tip 22 of the pull rod, thereby preventing the tip 22 from rotating during the disassembly process.

[0041] Furthermore, the lower clamp 6 and the upper clamp 8 are processed with through holes 23 for passing the tightening screw 9. The tightening screw 9 can be passed through the through holes 23, thereby realizing reliable fixation of the lower clamp 6 and the upper clamp 8.

[0042] Furthermore, a V-shaped groove 12 is provided on the inner side wall of the matching lower clamp 6 and upper clamp 8, and the V-shaped groove 12 matches with the outer wall of the pull rod tip 22; the above-mentioned V-shaped groove 12 facilitates the matching with the pull rod tip 22, thereby realizing reliable clamping and fixation of the pull rod tip 22.

[0043] Furthermore, a tooth groove 1201 is provided on the inner side wall of the V-shaped groove 12. The tooth groove 1201 can effectively increase the friction force between the pull rod tip 22 during the clamping process.

[0044] Furthermore, the central parts of the lower clamp 6 and the upper clamp 8 are processed with a socket 10, and a positioning bolt is inserted in the position where the socket 10 is located, and the positioning bolt passes through the pull rod through hole 27 on the pull rod tip 22. Furthermore, the pull rod clamp mechanism includes a first flat-mouth clamp 20 , and the first flat-mouth clamp 20 is fixed with a second flat-mouth clamp 18 via a flat clamp screw 19 . The length of the second flat-mouth clamp 18 is greater than that of the first flat-mouth clamp 20 .

[0045] Furthermore, the jack 13 is connected to a manual pump 26 via a hydraulic pipe 24, and a manual operating rod 25 is installed on the manual pump 26; the manual pump 26 is convenient for providing power to the jack 13, and then providing disassembly power. Moreover, the manual pump 26 is convenient for movement, and is flexible and convenient to use.

[0046] Furthermore, a bottom support screw 11 is provided on the horizontal plate 3 and at the bottom center of the lower clamp 6. The bottom support screw 11 can reliably support the lower clamp 6 after the position adjustment is completed.

[0047] Embodiment 2: A method for disassembling a pull rod, the method for disassembling the pull rod being implemented by using the disassembly tool, comprises the following steps: Step 1, fixing of the tie rod tip 22: According to the position and basic size of the pull rod tip 22 of the pull rod to be removed, the position of the lower clamp 6 between the vertical plates 7 is preliminarily adjusted and fixed, and then the pull rod tip 22 is placed on the lower clamp 6, and then the upper clamp 8 is fixedly installed, and the positioning bolt is passed through the sockets 10 on the upper clamp 8 and the lower clamp 6, and at the same time through the pull rod through hole 27, so as to fix the pull rod tip 22 at an angle; Step 2, arrangement and installation of the jack 13: Mount the jack 13 on the jack mounting seat 14; Step 3, fixing of the pull rod body 28: According to the position of the jack 13, determine the installation position of the rod clamp mechanism, and then fix the rod clamp mechanism on the rod body 28, and ensure that the piston rod of the jack 13 is in contact with the second flat clamp 18 of the rod clamp mechanism; Step 4, disassembly of the pull rod body 28: The jack 13 is started, and the piston rod of the jack 13 pushes the second flat-mouth clamp 18 of the tie rod clamp mechanism, and then the tie rod body 28 is driven to rotate through the tie rod clamp mechanism, so that the tie rod body 28 and the tie rod tip 22 are relatively rotated, and finally the two are disassembled; Step 5, disassembly of the pull rod clamp mechanism: After the pull rod tip 22 and the pull rod body 28 are completely disassembled, the corresponding pull rod clamp mechanism is disassembled and the pull rod body 28 is removed; Step 6, disassembly of the tie rod tip 22: After the tip 22 of the pull rod is disassembled, the positioning bolt, the upper clamp 8 and the lower clamp 6 are removed, and then the tip 22 of the pull rod is disassembled.

Claims

1. The pull rod disassembly tool is characterized by: The tooling base comprises a tooling base, a horizontal plate (3) is fixed on one side of the top of the tooling base, a vertical plate (7) is symmetrically fixed on the top of the horizontal plate (3), a movable clamp mechanism for fixing the tip of the pull rod (22) is installed between the vertical plates (7), a lower support (16) is fixed on the top of the tooling base, an upper support (15) is hinged on the lower support (16) through a pin shaft, a jack mounting seat (14) is fixed on the top of the upper support (15), and a jack (13) is installed on the jack mounting seat (14); and also comprises a pull rod clamp mechanism for clamping the pull rod body (28), the pull rod clamp mechanism cooperates with the jack (13) and disassembles the pull rod.

2. The pull rod disassembly tool according to claim 1, characterized in that: The tooling base comprises an I-beam base (1) arranged in parallel, a rectangular frame top plate (2) is fixed on the top of the I-beam base (1), and a cross plate (3) is fixed on the top of the rectangular frame top plate (2).

3. The pull rod disassembly tool according to claim 1, characterized in that: A reinforcing plate (4) is provided between the outer wall of the vertical plate (7) and the horizontal plate (3).

4. The pull rod disassembly tool according to claim 1, characterized in that: The movable clamp mechanism comprises a rectangular groove (21) processed on the inner side wall of the vertical plate (7), a slide groove (17) is processed on the rectangular groove (21), a lower clamp (6) is slidably installed between the lower part of the slide groove (17), the lower clamp (6) cooperates with the upper clamp (8), the upper clamp (8) is slidably arranged between the upper parts of the slide groove (17), and the lower clamp (6) and the upper clamp (8) are fixedly connected by symmetrically arranged tightening screws (9).

5. The pull rod disassembly tool according to claim 4, characterized in that: Limit bolts (5) are fixed at both ends of the lower clamp (6), and the limit bolts (5) pass through the slide groove (17); The lower clamp (6) and the upper clamp (8) are provided with through holes (23) for passing the tensioning screw (9).

6. The pull rod disassembly tool according to claim 4, characterized in that: A V-shaped groove (12) is provided on the inner side walls of the matching lower clamp (6) and upper clamp (8), and the V-shaped groove (12) matches the outer wall of the pull rod tip (22); A tooth groove (1201) is provided on the inner side wall of the V-shaped groove (12).

7. The pull rod disassembly tool according to claim 6, characterized in that: The central parts of the lower clamp (6) and the upper clamp (8) are processed with a socket (10), and a positioning bolt is inserted in the part where the socket (10) is located, and the positioning bolt passes through the pull rod through hole (27) on the pull rod tip (22).

8. The tie rod disassembly tool according to claim 1, characterized in that: The pull rod clamp mechanism comprises a first flat-mouth clamp (20), the first flat-mouth clamp (20) being fixed with a second flat-mouth clamp (18) via a flat-clamp screw (19), and the length of the second flat-mouth clamp (18) being greater than the length of the first flat-mouth clamp (20).

9. The tie rod disassembly tool according to claim 1, characterized in that: The jack (13) is connected to a manual pump (26) via a hydraulic pipe (24), and a manual operating lever (25) is installed on the manual pump (26); A bottom support screw (11) is provided on the horizontal plate (3) and at the bottom center of the lower clamp (6).

10. A method for disassembling a tie rod, characterized in that: The disassembly method is implemented by using the disassembly tool described in any one of claims 1 to 9, comprising the following steps: Step 1, fixing the tie rod tip (22): According to the position and basic size of the pull rod tip (22) of the pull rod to be removed, the position of the lower clamp (6) between the vertical plates (7) is preliminarily adjusted and fixed, and then the pull rod tip (22) is placed on the lower clamp (6), and then the upper clamp (8) is fixedly installed, and a positioning bolt is used to pass through the sockets (10) on the upper clamp (8) and the lower clamp (6), and at the same time pass through the pull rod through hole (27), thereby fixing the pull rod tip (22) at an angle; Step 2, Arrangement and installation of the jack (13): Mount the jack (13) on the jack mounting base (14); Step 3, fixation of the pull rod body (28): Determine the installation position of the tie rod clamp mechanism according to the position of the jack (13), then fix the tie rod clamp mechanism on the tie rod body (28), and ensure that the piston rod of the jack (13) is in contact with the second flat clamp (18) of the tie rod clamp mechanism; Step 4, disassembly of the tie rod body (28): The jack (13) is started, and the piston rod of the jack (13) pushes the second flat-mouth clamp (18) of the pull rod clamp mechanism, thereby driving the pull rod body (28) to rotate through the pull rod clamp mechanism, thereby causing the pull rod body (28) and the pull rod tip (22) to rotate relative to each other, and finally achieving the disassembly of the two; Step 5, disassembly of the pull rod clamp mechanism: After the pull rod tip (22) and the pull rod body (28) are completely disassembled, the corresponding pull rod clamp mechanism is disassembled and the pull rod body (28) is removed; Step 6, Removal of the tie rod tip (22): After the tip of the pull rod (22) is disassembled, the positioning bolt, the upper clamp (8) and the lower clamp (6) are removed, and the tip of the pull rod (22) is disassembled.

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