CN219130557U - Corner type connecting tool - Google Patents
Corner type connecting tool Download PDFInfo
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- CN219130557U CN219130557U CN202223518328.1U CN202223518328U CN219130557U CN 219130557 U CN219130557 U CN 219130557U CN 202223518328 U CN202223518328 U CN 202223518328U CN 219130557 U CN219130557 U CN 219130557U
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- 238000007789 sealing Methods 0.000 claims description 5
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- 230000008859 change Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 33
- 238000000034 method Methods 0.000 description 17
- 239000010720 hydraulic oil Substances 0.000 description 16
- 239000000758 substrate Substances 0.000 description 16
- 238000009434 installation Methods 0.000 description 15
- 238000005553 drilling Methods 0.000 description 8
- 239000000956 alloy Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a corner type connecting tool which comprises a tool main body, wherein the tool main body comprises a through rod connecting part, a pull gun connecting part and an L-shaped connecting part, the through rod connecting part and the pull gun connecting part are respectively and fixedly connected to two ends of the L-shaped connecting part, an included angle alpha between the through rod connecting part and the pull gun connecting part is 90-120 degrees, through holes which are L-shaped and sequentially penetrate through the through rod connecting part, the pull gun connecting part and the L-shaped connecting part are formed in the tool main body, and corner type transmission components are arranged in the through holes. The tool is mainly used as a connecting tool between a power source and a moving part, can steer and drive the power of the power source, further change the moving direction of the moving part, and can reduce the interference of the moving part.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a corner type connecting tool.
Background
In the fields of modern aviation, aerospace craft, high-speed trains and the like, the requirements of high-frequency and low-frequency vibration working condition structures on fatigue resistance are increasingly enhanced, and the hole parts of the parts are main fatigue strategy source places, so that the reinforcement of the base holes is a common coping mode.
In the prior art, the commonly used methods for reinforcing the base holes are: the supporting plate or the lining is additionally arranged in the base hole, and the pull gun is required to be installed and detached in the process, but for the base hole with a narrow axial gap, surrounding barriers interfere with the gun head of the pull gun, and the assembly and disassembly operation can not be independently completed only by the conventional pull gun.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, and provides a corner type connecting tool which is used as a connecting tool between a power source and a moving part, can steer and drive the power of the power source, further change the moving direction of the moving part, reduce the interference of the moving part, and has the advantages of simple and reasonable structure, flexible and convenient use and suitability for popularization.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a corner formula connecting tool, includes the instrument main part, the instrument main part is including leading to pole connecting portion, draw rifle connecting portion and L shape connecting portion, leading to pole connecting portion and draw rifle connecting portion fixed connection respectively in the both ends of L shape connecting portion, contained angle alpha between leading to pole connecting portion and the rifle connecting portion is 90 to 120, set up in the instrument main part and be L shape and run through the perforation of leading to pole connecting portion, draw rifle connecting portion and L shape connecting portion in proper order, be provided with corner formula drive assembly in the perforation.
Preferably, the corner type transmission assembly comprises a muzzle fixing sleeve, a gun core connecting rod, a pull rod, a chain and a through rod connector, wherein the chain is located in the L-shaped connecting portion, one end of the pull rod is rotationally connected with the chain and located in the pull gun connecting portion, the gun core connecting rod is fixedly connected with the other end of the pull rod, the through rod connector is rotationally connected with the chain and located in the through rod connecting portion, and the muzzle fixing sleeve is rotationally connected on the pull gun connecting portion.
Preferably, the gun core connecting rod is provided with external threads, the muzzle fixing sleeve is provided with internal threads, and the through rod connector is provided with internal threads.
Preferably, the end part of the pull gun connecting part is provided with a connecting pipe, the gun core connecting rod is arranged in the connecting pipe in a penetrating way, the muzzle fixing sleeve is sleeved on the connecting pipe, an annular groove is formed in the muzzle fixing sleeve, a sealing ring and a gasket are embedded in the annular groove, an embedding groove is formed in the connecting pipe, and a check ring is embedded in the embedding groove.
Preferably, a limiting groove is formed in the pull gun connecting portion, a limiting block is sleeved on the gun core connecting rod, and the limiting block is slidably embedded in the limiting groove.
Preferably, a nose top joint sleeved on the through rod joint is arranged at the port of the through rod connecting part.
Preferably, a rotating shaft is rotatably arranged at the corner of the L-shaped connecting part, and a roller is sleeved on the rotating shaft.
Compared with the prior art, the utility model has the following advantages:
1. the tool is mainly used as a connecting tool between a power source and a moving part, and can be used for steering and transmitting the power of the power source, so that the moving direction of the moving part is changed, and the interference of the moving part can be reduced.
2. The utility model has simple and reasonable integral structure, is combined with a power source and a moving part, has simple connection and disassembly operations and is convenient to carry.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of the mandrel bar structure of the present utility model.
Fig. 2 is a schematic view of the structure of the nose top cap A of the utility model.
Fig. 3 is a schematic view of the structure of the nose top cap B of the utility model.
Fig. 4 is a schematic view of the dismounting assembly A of the present utility model.
Fig. 5 is a schematic view of the disassembling component B of the present utility model.
FIG. 6 is a schematic drawing of the pull gun structure of the present utility model.
Fig. 7 is a perspective view of the corner connector tool of the present utility model.
Fig. 8 is a schematic view of the internal structure of the corner connecting tool of the present utility model.
Fig. 9 is an enlarged view of the structure of fig. 8 at circle S in accordance with the present utility model.
Fig. 10 is a schematic illustration of the rivetless pallet installation on a small axial clearance base hole of example 1.
FIG. 11 is a schematic view showing the disassembly of the rivetless pallet from the small axial gap base hole of example 1.
FIG. 12 is a schematic illustration of the rivetless pallet installation on a very small axial gap base hole in example 2.
FIG. 13 is a schematic view showing the removal of a rivetless pallet from a very small axial gap base hole in example 2.
Fig. 14 is a schematic view of the through bushing installation on a small axial clearance base hole in example 3.
Fig. 15 is a schematic view of the through bushing on the small axial clearance base hole of example 3.
Fig. 16 is a schematic view of the through bushing installation on a very small axial clearance base hole in example 4.
Fig. 17 is a schematic view of the through bushing on the very small axial clearance base hole of example 4.
Reference numerals illustrate:
1-connecting a through rod; 2-an extrusion head; 201-a compression ring; 4-pulling a gun; 401-handle; 402-a sleeve; 403-sliding seat; 404-gun core; 405-looping; 406—a compressed air lumen; 407-hydraulic oil lumen; 408-a pneumatic piston; 409-hydraulic oil piston; 410-compressed air line; 411-hydraulic oil line; 412-a control knob; 5-detaching the ring; 6-detaching the cover; 7-a nasal roof seat; 8-a nose plug; 9-a through-rod connection; 10-a pull gun connecting part; an 11-L shaped connection; 12-perforating; 13-muzzle fixed sleeve; 14-gun core connecting rod; 15-a pull rod; 16-chain; 17-a through-rod joint; 18-rotating shaft; 19-a roller; 20-a limit groove; 21-limiting blocks; 22-connecting pipes; 23-an annular groove; 24-sealing rings; 25-washers; 26-caulking groove; 27-a retainer ring; 28-nose top connector; 29-a tool body; 30-a rivetless pallet; 31-a slotted liner; 32-through bushing.
Detailed Description
As shown in fig. 7 to 9, the present utility model provides a corner connecting tool, which comprises a tool main body 29, wherein the tool main body 29 comprises a through rod connecting portion 9, a pull gun connecting portion 10 and an L-shaped connecting portion 11, wherein the through rod connecting portion 9 and the pull gun connecting portion 10 are respectively and fixedly connected to two ends of the L-shaped connecting portion 11, preferably, the through rod connecting portion 9, the L-shaped connecting portion 11 and the pull gun connecting portion 10 are integrally formed, an included angle α between the through rod connecting portion 9 and the pull gun connecting portion 10 is 90 ° to 120 °, a through hole 12 which is L-shaped and sequentially penetrates through the through rod connecting portion 9, the pull gun connecting portion 10 and the L-shaped connecting portion 11 is formed in the tool main body 29, and a corner transmission component is disposed in the through hole 12.
The corner type transmission assembly comprises a muzzle fixed sleeve 13, a gun core connecting rod 14, a pull rod 15, a chain 16 and a through rod joint 17, wherein the chain 16 is positioned in the L-shaped connecting part 11, one end of the pull rod 15 is rotationally connected with the chain 16 through a pin shaft and positioned in the gun pulling connecting part 10, the gun core connecting rod 14 is fixedly connected with the other end of the pull rod 15, the through rod joint 17 is rotationally connected with the chain 16 through a pin shaft and positioned in the through rod connecting part 9, the gun muzzle fixed sleeve 13 is rotationally connected on the gun pulling connecting part 10, preferably, external threads are arranged on the gun core connecting rod 14, internal threads are arranged on the gun muzzle fixed sleeve 13, the gun core connecting rod 14 and the gun muzzle fixed sleeve 13 are used for being connected with a power source, and internal threads are arranged on the through rod joint 17 and are connected with a moving part, so that the steering transmission of power of the power source is realized, and the moving direction of the moving part is changed.
In some examples, the corner of the L-shaped connecting part 11 is rotatably provided with a rotating shaft 18, the rotating shaft 18 is sleeved with a roller 19, the roller 19 can support the chain 16 and simultaneously rotate along with the movement of the chain 16, so that the whole movement is more smoothly transferred, and the service life of the corner connecting tool can be prolonged.
In some examples, the pull gun connecting portion 10 is provided with a limiting groove 20, the gun core connecting rod 14 is sleeved with a limiting block 21, and the limiting block 21 is slidably embedded in the limiting groove 20. The cooperation of the limiting groove 20 and the limiting block 21 can limit the movement distance of the gun core connecting rod 14, and the situation that the corner type transmission assembly slides out of the tool main body is avoided.
In some examples, the end of the pull gun connecting portion 10 is provided with a connecting pipe 22, the gun core connecting rod 14 is arranged in the connecting pipe 22 in a penetrating way, the gun muzzle fixing sleeve 13 is sleeved on the connecting pipe 22, the gun muzzle fixing sleeve 13 is provided with an annular groove 23, the annular groove 23 is embedded with a sealing ring 24 and a gasket 25, the connecting pipe 22 is provided with an embedded groove 26, the embedded groove 26 is embedded with a check ring 27, and the check ring 27 can limit the gasket 25 and the sealing ring 24 to prevent the gasket from falling off.
In some examples, a nose top connector 28 sleeved on the through rod connector 17 is arranged at the port of the through rod connecting part 9, and external threads are machined on the nose top connector 28.
In some examples, the corner connecting tool can be used for assisting in mounting and dismounting of the supporting plate or the bushing on the small axial gap base hole so as to strengthen the base hole, and in embodiments 1-4, specific working methods of the corner connecting tool in four scenes of dismounting the mortise-free supporting plate nut on the small axial gap base hole, dismounting the straight-through bushing on the small axial gap base hole and dismounting the straight-through bushing on the small axial gap base hole are respectively given.
As shown in fig. 1 to 6, in these application scenarios, the devices used at the time of installation are: the device comprises a core rod, a corner type connecting tool, a nose top cap and a pulling gun, wherein the core rod is a moving part, and the pulling gun is a power source; the equipment used in the disassembly is as follows: corner formula connecting tool, draw rifle, nose top cap and dismantlement subassembly, wherein dismantlement subassembly is the moving part, draws the rifle as the power supply.
Specifically, the plug includes connecting rod 1 and extrusion head 2, all is provided with the external screw thread at the both ends of connecting rod 1, and the connecting hole that has the internal screw thread of processing has been set up to the connection one side of extrusion head 2, and this side external diameter dwindles gradually to equal with the external diameter of connecting rod 1, the external screw thread of the connecting rod other end then is used for meeting with the internal screw thread on the rod joint 17 of the external screw thread of connecting rod 2, the middle part of extrusion head 2 is provided with the extrusion ring 201 that is used for extrusion reinforcement, the other end of extrusion head 2 is equipped with the chamfer.
Preferably, the pull gun 4 is an automatic pull gun, the automatic pull gun comprises a handle 401, a sleeve 402, a sliding seat 403 and a gun core 404, one end of the gun core 404 is fixedly connected with the sliding seat 403, a sleeve opening 405 is formed at the other end of the gun core 404, an internal thread is processed in the sleeve opening 405 and used for being connected with an external thread on a gun core connecting rod 14 in a corner connecting tool, an external thread is formed at an opening end of the sleeve 402, namely, a gun opening is formed in the sleeve opening and used for being connected with an internal thread on a gun opening fixing sleeve 13, a compressed air cavity 406 and a hydraulic oil cavity 407 are formed in the sliding seat 403, a pneumatic piston 408 and a hydraulic oil piston 409 are arranged in the sleeve 402, the pneumatic piston 408 is inserted in the compressed air cavity 406, the hydraulic oil piston 409 is inserted in the hydraulic oil cavity 407, the pneumatic piston 408 and the hydraulic oil piston 409 move in the opposite directions, the pneumatic piston 408 is connected with a compressed air pipeline 410, the hydraulic oil piston 409 is connected with a hydraulic oil pipeline 411, the connection position of the pneumatic piston 408 and the connection position of the compressed air pipeline 410 and the connection position of the piston 409 and the hydraulic oil pipeline 411 are all sealed, and a control button 412 for controlling the compressed air and disconnected of the hydraulic oil pipeline 410 is arranged on the handle 401.
The working principle of the automatic gun pulling is as follows: when the user presses the control button 412, the compressed air flow in the compressed air pipeline 410 is disconnected, and meanwhile, hydraulic oil enters the hydraulic oil inner cavity 407 in the sliding seat 403 to push the sliding seat 403 to move into the sleeve 402; when the user releases the control knob 412, the flow of compressed air in the compressed air line 410 begins to circulate, hydraulic oil is forced back into the hydraulic oil line 411, compressed air enters the compressed air cavity 406 in the slide seat 403, and pushes the slide seat 403 out of the sleeve 402.
The disassembly assembly comprises a disassembly assembly A and a disassembly assembly B, the disassembly assembly A comprises a disassembly ring 5 and a connection through rod 1, a threaded hole is formed in the center of the disassembly ring 5, one end of the connection through rod 1 is inserted into the threaded hole through threaded fit, and the outer diameter of the disassembly ring 5 is between the inner diameter and the outer diameter of the disassembled bushing; the disassembly component B comprises a disassembly cover 6 and a connection through rod 1, wherein the disassembly cover 6 is a shell with a cavity, one side of the shell is provided with an opening, the other side of the shell is provided with an internal thread mounting hole by taking the central line of the cavity as a reference, and the connection through rod 1 can penetrate through the cavity to be in threaded connection with the disassembly cover 6.
The disassembly assembly is identical to the connecting rod in the mandrel.
Specifically, the nose top cap comprises a nose top cap A and a nose top cap B, the nose top cap A comprises a nose top seat 7, and an internal thread is processed in the nose top seat 7 and is used for being connected with a nose top joint 28; the nose top cap B comprises a nose top seat 7 and a nose top head 8, wherein an internal thread is processed in the nose top seat 7 and is used for being connected with an external thread on a nose top joint 28, and the internal and external diameter sizes of the nose top head 8 are between those of the straight cylinder end of the rivetless supporting plate 30.
In the present utility model, the following is described.
The distance from the left end of the base hole to the nearest obstacle is defined as: forward gap;
the distance from the right end of the base hole to the nearest obstacle is defined as: back to gap;
the distance from the base hole centerline to the upper obstacle is: an upper gap;
the distance from the base hole centerline to the underlying obstacle is: the lower end is in clearance.
The axial gap of the base hole comprises a forward gap and a reverse gap, and the base hole is defined as a small axial gap base hole when neither the forward gap nor the reverse gap of the base hole exceeds 100 mm.
Example 1
As shown in fig. 10 and 11, the present embodiment provides the application of the corner type connection tool in the process of installing and detaching the rivetless pallet nut on the base hole with small axial gap.
The installation method comprises the following steps:
s1, opening holes in a substrate, wherein the substrate is made of an aluminum alloy material or a titanium alloy material;
the forward gap and the back gap of the obtained hole are 100mm, the upper gap is 70mm, and the lower gap is not limited;
the specific operation is as follows:
s101, primary drilling: drilling a bottom hole on a substrate;
s102, primary hinging: performing primary reaming on the bottom hole according to the requirements of the required size and the surface finish;
s103, checking: and inserting the through end of the combined gauge into the bottom hole, wherein the through end can pass through the bottom hole, the through end cannot pass through the bottom hole, and the bottom hole is checked to be qualified. Using a mandrel ring gauge to test the extrusion head 2 of the mandrel, wherein the extrusion head 2 cannot pass through the mandrel ring gauge, and the mandrel extrusion head 2 is tested to be qualified, otherwise, the mandrel ring gauge is replaced;
the size of the primary drilled or primary hinged base hole is as follows: 10.417-10.479 mm, and correspondingly, selecting a rivetless supporting plate with the inner diameter of 8 mm;
and a corner type connecting tool with an included angle alpha of 120 degrees is selected and used for the connecting part 9 of the through rod and the connecting part 10 of the pull gun.
S2, combining a core rod, a corner type connecting tool, a nose top cap A and a pull gun 4, wherein the method specifically comprises the following steps: the method comprises the steps of combining the core rods, sleeving the slotted liner 31 on the combined core rods, connecting the connecting rod 1 with the rod connector 17, connecting the nose top cap A with the nose top connector 28 through the core rods, enabling the slotted liner 31 to press against the nose top seat 7, then connecting the gun core connecting rod 14 with the gun core 404 of the pull gun 4, and rotating the gun muzzle fixing sleeve 13, so that the gun muzzle fixing sleeve 13 is connected with the opening end of the sleeve 402.
S3, inserting the straight cylinder end of the rivetless support plate 30 into a base hole, inserting the slotted liner 31 and the core rod assembly into the rivetless support plate 30, enabling the rivetless support plate 30 and the pull gun 4 to be respectively located on the same side or two sides of the base hole, enabling the nose top seat 7 to be stably attached to the surface of the base hole or the rivetless support plate 30, starting the pull gun 4, pulling the core rod, enabling the extrusion head 2 of the core rod to be gradually pulled away from the base hole, enabling the slotted liner 31 to be extruded and expanded, enabling the rivetless support plate 30 to generate high interference fit with a substrate, enabling the rivetless support plate 30 to be fixedly installed in the base hole, and enabling the slotted liner 31 to be reserved in the rivetless support plate 30.
It should be noted that, after the pull gun 4 is started and the extrusion head 2 is pulled away from the base hole, the control button 412 must not be released after the slotted liner 31 extends out of the 3mm to 4mm barrel portion of the rivetless pallet 30.
S3, removing the slotted liner 31 from the rivetless support plate 30, inserting the through end of the combined gauge into the inner hole of the rivetless support plate 30, enabling the through end to pass through, checking the inner hole to be qualified, and otherwise, extruding the inner hole again;
it should be noted that a new slit liner 31 must be used when the rivetless pallet 30 is secondarily extruded.
S3, final reaming of the inner hole of the rivetless support plate 30 to the required inner diameter size, and then installing a nut plate on the rivetless support plate 30 to finish the installation of the nut of the rivetless support plate 30.
The disassembly steps of the rivetless support plate nut on the small axial gap base hole are as follows:
and a corner type connecting tool with an included angle alpha of 120 degrees is selected and used for the connecting part 9 of the through rod and the connecting part 10 of the pull gun.
S1, a dismounting assembly B and a nose top cap B are selected, a nut plate is taken down from a rivetless support plate 30, then a dismounting cover 6 is covered on one side of the rivetless support plate 30, on which the nut plate is mounted, one end of a connecting through rod 1 is connected with a corner type connecting tool, the nose top cap B penetrates through the connecting through rod 1, so that a nose top seat 7 is connected with a nose top joint 28, and then the other end of the connecting through rod 1 penetrates through an inner hole of the rivetless support plate 30 and is connected with the dismounting cover 6.
S2, starting the pull gun 4, pushing out the rivetless support plate 30 from the bottom hole through the nose plug 8, and completing the disassembly of the rivetless support plate 30;
the outer diameter of the nose plug 8 is between the inner diameter and the outer diameter of the straight end of the rivetless pallet 30, and after the pull gun 4 is started, the control button 412 must not be released before the rivetless pallet 30 is pulled away from the base hole.
Example 2
As shown in fig. 12 and 13, the present embodiment provides the application of the corner type connection tool in the process of installing and detaching the rivetless pallet nut on the base hole with very small axial gap.
The installation method comprises the following steps:
s1, opening holes in a substrate, wherein the substrate is made of an aluminum alloy material or a titanium alloy material;
the forward gap and the back gap of the obtained hole are 75mm, the upper gap is 70mm, and the lower gap is not limited;
the specific operation is as follows:
s101, primary drilling: drilling a bottom hole on a substrate;
s102, primary hinging: performing primary reaming on the bottom hole according to the requirements of the required size and the surface finish;
s103, checking: and inserting the through end of the combined gauge into the bottom hole, wherein the through end can pass through the bottom hole, the through end cannot pass through the bottom hole, and the bottom hole is checked to be qualified. Using a mandrel ring gauge to test the extrusion head 2 of the mandrel, wherein the extrusion head 2 cannot pass through the mandrel ring gauge, and the mandrel extrusion head 2 is tested to be qualified, otherwise, the mandrel ring gauge is replaced;
the size of the primary drilled or primary hinged base hole is as follows: 10.417-10.479 mm, and correspondingly, selecting a rivetless supporting plate with the inner diameter of 8 mm;
and a corner type connecting tool with an included angle alpha of 90 degrees is selected and used for the connecting part 9 of the through rod and the connecting part 10 of the pull gun.
S2, combining a core rod, a corner type connecting tool, a nose top cap A and a pull gun 4, wherein the method specifically comprises the following steps: the method comprises the steps of combining the core rods, sleeving the slotted liner 31 on the combined core rods, connecting the connecting rod 1 with the rod connector 17, connecting the nose top cap A with the nose top connector 28 through the core rods, enabling the slotted liner 31 to press against the nose top seat 7, then connecting the gun core connecting rod 14 with the gun core 404 of the pull gun 4, and rotating the gun muzzle fixing sleeve 13, so that the gun muzzle fixing sleeve 13 is connected with the opening end of the sleeve 402.
S3, inserting the straight cylinder end of the rivetless support plate 30 into a base hole, inserting the slotted liner 31 and the core rod assembly into the rivetless support plate 30, enabling the rivetless support plate 30 and the pull gun 2 to be respectively located on the same side or two sides of the base hole, enabling the nose top seat 7 to be stably attached to the surface of the base hole or the rivetless support plate 30, starting the pull gun 4, pulling the core rod, enabling the extrusion head 2 of the core rod to be gradually pulled away from the base hole, enabling the slotted liner 31 to be extruded and expanded, enabling the rivetless support plate 30 to generate high interference fit with a substrate, enabling the rivetless support plate 30 to be fixedly installed in the base hole, and enabling the slotted liner 31 to be reserved in the rivetless support plate 30.
It should be noted that, after the pull gun 4 is started and the extrusion head 2 is pulled away from the base hole, the control button 412 must not be released after the slotted liner 31 extends out of the 3mm to 4mm barrel portion of the rivetless pallet 30.
S3, removing the slotted liner 31 from the rivetless support plate 30, inserting the through end of the combined gauge into the inner hole of the rivetless support plate 30, enabling the through end to pass through, checking the inner hole to be qualified, and otherwise, extruding the inner hole again;
it should be noted that a new slit liner 31 must be used when the rivetless pallet 30 is secondarily extruded.
S4, final reaming of the inner hole of the rivetless support plate 30 to the required inner diameter size, and then installing a nut plate on the rivetless support plate 30 to finish the installation of the rivetless support plate nut.
The disassembly steps of the rivetless support plate nut on the base hole with the extremely small axial gap are as follows:
and a corner type connecting tool with an included angle alpha of 90 degrees is selected and used for the connecting part 9 of the through rod and the connecting part 10 of the pull gun.
S1, a dismounting assembly B and a nose top cap B are selected, a nut plate is taken down from a rivetless support plate 30, then a dismounting cover 6 is covered on one side of the rivetless support plate 30, on which the nut plate is mounted, one end of a connecting through rod 1 is connected with a corner type connecting tool, the nose top cap B penetrates through the connecting through rod 1, so that a nose top seat 7 is connected with a nose top joint 28, and then the other end of the connecting through rod 1 penetrates through an inner hole of the rivetless support plate 30 and is connected with the dismounting cover 6.
S2, starting the pull gun 4, pushing out the rivetless support plate 30 from the bottom hole through the nose plug 8, and completing the disassembly of the rivetless support plate 30;
it should be noted that, the nose top cap B is tightly propped against the substrate, the outer diameter of the nose top is between the inner diameter and the outer diameter of the straight cylinder end of the rivetless support plate, and after the pull gun is started, the control button must not be loosened before the rivetless support plate is pulled away from the base hole.
Example 3
As shown in fig. 14 and 15, the present embodiment provides for the use of the corner connection tool in the installation and removal of a straight-through bushing on a small axial clearance base hole.
The installation method comprises the following steps:
s1, opening holes in a substrate, wherein the substrate is made of carbon fiber composite materials;
the forward gap and the back gap of the obtained hole are 100mm, the upper gap is 70mm, and the lower gap is not limited;
the specific operation is as follows:
s101, primary drilling: drilling a bottom hole on a substrate;
s102, primary hinging: performing primary reaming on the bottom hole according to the requirements of the required size and the surface finish;
s103, checking: and inserting the through end of the combined gauge into the bottom hole, wherein the through end can pass through the bottom hole, the through end cannot pass through the bottom hole, and the bottom hole is checked to be qualified. Using a mandrel ring gauge to test the extrusion head 2 of the mandrel, wherein the extrusion head 2 cannot pass through the mandrel ring gauge, and the mandrel extrusion head 2 is tested to be qualified, otherwise, the mandrel ring gauge is replaced;
the size of the primary drilled or primary hinged base hole is as follows: 35.281-35.297 mm, correspondingly, selecting a straight-through bushing with the inner diameter of 30mm and the wall thickness of 3 mm;
and selecting a corner type connecting tool with an included angle alpha of 120 degrees between the connecting part of the through rod and the connecting part of the pull gun.
S2, combining a core rod, a corner type connecting tool, a nose top cap A and a pull gun 4, wherein the method specifically comprises the following steps: the method comprises the steps of combining the core rods, arranging a through bushing 32 on the combined core rod, connecting a connecting through rod 1 with a through rod joint 17, connecting a nose top cap A with a nose top joint 28 through the core rod, enabling the through bushing 32 to press against a nose top seat 7, then connecting a gun core connecting rod 14 with a gun core 404 of a pull gun 4, and rotating a gun muzzle fixing sleeve 13, so that the gun muzzle fixing sleeve 13 is connected with an opening end of a sleeve 402.
S3, inserting the straight-through bush 32 and the core rod assembly into the base hole, enabling the extrusion head 2 and the pull gun 4 of the core rod to be respectively positioned at two sides of the base hole, enabling the nose top seat 7 to be stably clung to the surface of the base hole, then starting the pull gun 4, pulling the core rod, enabling the extrusion head 2 of the core rod to be gradually pulled away from the base hole, enabling the straight-through bush 32 to be extruded and expanded, enabling the extrusion head 2 and the base material to be in high interference fit and remain in the base hole;
the extrusion amount of the base hole is not more than 2%;
after the pull gun 4 is started, the control button 412 must not be released before the extrusion head 2 pulls away from the base hole.
S4, finally hinging the straight-through bushing 32 to the required inner diameter size, and finishing the installation of the straight-through bushing 32.
The disassembly steps of the straight-through bushing on the small axial clearance base hole are as follows:
and a corner type connecting tool with an included angle alpha of 120 degrees is selected and used for the connecting part 9 of the through rod and the connecting part 10 of the pull gun.
S1, selecting a disassembly component A and a nose top cap A, connecting one end of a connecting through rod 1 with a corner type connecting tool, enabling the nose top cap A to penetrate through the connecting through rod 1 to enable a nose top seat 7 to be connected with a nose top joint 28, then enabling the other end of the connecting through rod 1 to penetrate through a through bushing 32 and be connected with a disassembly ring 5, enabling the disassembly ring 5 and a pull gun 4 to be respectively located on two sides of a base hole, and enabling the disassembly ring 5 to be stably clung to the surface of the base hole;
s2, starting the pull gun 4, pushing the straight-through bushing 32 out of the bottom hole through the dismounting ring 5, and completing the dismounting of the straight-through bushing 32;
it should be noted that, the top cap of the nose a is tightly pressed against the substrate, the outer diameter of the detaching ring 5 is between the inner diameter and the outer diameter of the through bushing 32, and after the pull gun is started, the control button 412 must not be released before the through bushing 32 is pulled away from the base hole.
Example 4
As shown in fig. 16 and 17, the present embodiment provides for the use of the corner connection tool during installation and removal of a through bushing on a very small axial clearance base hole.
The installation method comprises the following steps:
s1, opening holes in a substrate, wherein the substrate is made of carbon fiber composite materials;
the forward gap and the back gap of the obtained hole are 75mm, the upper gap is 70mm, and the lower gap is not limited;
the specific operation is as follows:
s101, primary drilling: drilling a bottom hole on a substrate;
s102, primary hinging: performing primary reaming on the bottom hole according to the requirements of the required size and the surface finish;
s103, checking: and inserting the through end of the combined gauge into the bottom hole, wherein the through end can pass through the bottom hole, the through end cannot pass through the bottom hole, and the bottom hole is checked to be qualified. Using a mandrel ring gauge to test the extrusion head 2 of the mandrel, wherein the extrusion head 2 cannot pass through the mandrel ring gauge, and the mandrel extrusion head 2 is tested to be qualified, otherwise, the mandrel ring gauge is replaced;
the size of the primary drilled or primary hinged base hole is as follows: 35.281-35.297 mm, correspondingly, selecting a straight-through bushing with the inner diameter of 30mm and the wall thickness of 3 mm;
and selecting a corner type connecting tool with an included angle alpha of 90 degrees between the connecting part of the through rod and the connecting part of the pull gun.
S2, combining a core rod, a corner type connecting tool, a nose top cap A and a pull gun, wherein the method specifically comprises the following steps of: the method comprises the steps of combining the core rods, arranging a through bushing 32 on the combined core rod, connecting a connecting through rod 1 with a through rod joint 17, connecting a nose top cap A with a nose top joint 28 through the core rod, enabling the through bushing 32 to press against a nose top seat 7, then connecting a gun core connecting rod 14 with a gun core 404 of a pull gun 4, and rotating a gun muzzle fixing sleeve 13, so that the gun muzzle fixing sleeve 13 is connected with an opening end of a sleeve 402.
S3, inserting the straight-through bush 32 and the core rod assembly into the base hole, enabling the extrusion head 2 and the pull gun 4 of the core rod to be respectively positioned at two sides of the base hole, enabling the nose top seat 7 to be stably clung to the surface of the base hole, then starting the pull gun 4, pulling the core rod, enabling the extrusion head 2 of the core rod to be gradually pulled away from the base hole, enabling the straight-through bush 32 to be extruded and expanded, enabling the extrusion head 2 and the base material to be in high interference fit and remain in the base hole;
the extrusion amount of the base hole is not more than 2%;
after the pull gun 4 is started, the control button 412 must not be released before the extrusion head 2 pulls away from the base hole.
S4, finally hinging the straight-through bushing 32 to the required inner diameter size, and finishing the installation of the straight-through bushing 32.
The disassembly steps of the straight-through bushing on the base hole with the extremely small axial clearance are as follows:
and a corner type connecting tool with an included angle alpha of 90 degrees is selected and used for the connecting part 9 of the through rod and the connecting part 10 of the pull gun.
S1, selecting a disassembly component A and a nose top cap A, connecting one end of a connecting through rod 1 with a corner type connecting tool, enabling the nose top cap A to penetrate through the connecting through rod 1 to enable a nose top seat 7 to be connected with a nose top joint 28, then enabling the other end of the connecting through rod 1 to penetrate through a through bushing 32 and be connected with a disassembly ring 5, enabling the disassembly ring 5 and a pull gun 4 to be respectively located on two sides of a base hole, and enabling the disassembly ring 5 to be stably clung to the surface of the base hole;
s2, starting the pull gun 4, pushing the straight-through bushing 32 out of the bottom hole through the dismounting ring 5, and completing the dismounting of the straight-through bushing 32;
it should be noted that the outer diameter of the dismounting ring 5 is between the inner diameter and the outer diameter of the through bushing 32, and after the pull gun 4 is started, the control knob 412 must not be released before the through bushing 32 is pulled away from the base hole.
The application of the corner connecting tool in the field of strengthening the base hole with small axial clearance is described above, but the application range of the tool is not limited to this, and the corner connecting tool can be applied to any application field with the requirement of changing the transmission direction of a power source.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model. Any simple modification, variation and equivalent variation of the above embodiments according to the technical substance of the utility model still fall within the scope of the technical solution of the utility model.
Claims (7)
1. A corner-type connection tool comprising a tool body, characterized in that: the tool comprises a tool body and is characterized in that the tool body comprises a through rod connecting part, a pull gun connecting part and an L-shaped connecting part, the through rod connecting part and the pull gun connecting part are respectively and fixedly connected to two ends of the L-shaped connecting part, an included angle alpha between the through rod connecting part and the pull gun connecting part is 90-120 degrees, a through hole which is L-shaped and sequentially penetrates through the through rod connecting part, the pull gun connecting part and the L-shaped connecting part is formed in the tool body, and a corner transmission assembly is arranged in the through hole.
2. A corner connection tool according to claim 1 wherein: the corner type transmission assembly comprises a muzzle fixing sleeve, a gun core connecting rod, a pull rod, a chain and a through rod connector, wherein the chain is located in an L-shaped connecting portion, one end of the pull rod is rotationally connected with the chain and located in a gun pulling connecting portion, the gun core connecting rod is fixedly connected with the other end of the pull rod, the through rod connector is rotationally connected with the chain and located in the through rod connecting portion, and the muzzle fixing sleeve is rotationally connected on the gun pulling connecting portion.
3. A corner connection tool according to claim 2 wherein: the gun core connecting rod is provided with external threads, the muzzle fixing sleeve is provided with internal threads, and the through rod connector is provided with internal threads.
4. A corner connection tool according to claim 2 wherein: the end of the pull gun connecting part is provided with a connecting pipe, the gun core connecting rod is arranged in the connecting pipe in a penetrating way, the muzzle fixing sleeve is sleeved on the connecting pipe, an annular groove is formed in the muzzle fixing sleeve, a sealing ring and a gasket are embedded in the annular groove, an embedding groove is formed in the connecting pipe, and a check ring is embedded in the embedding groove.
5. A corner connection tool according to claim 2 wherein: the gun pulling connecting part is provided with a limiting groove, the gun core connecting rod is sleeved with a limiting block, and the limiting block is slidably embedded in the limiting groove.
6. A corner connection tool according to claim 2 wherein: the port of the through rod connecting part is provided with a nose top joint sleeved on the through rod joint.
7. A corner connection tool according to claim 1 wherein: the corner of the L-shaped connecting part is rotatably provided with a rotating shaft, and the rotating shaft is sleeved with a roller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223518328.1U CN219130557U (en) | 2022-12-28 | 2022-12-28 | Corner type connecting tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223518328.1U CN219130557U (en) | 2022-12-28 | 2022-12-28 | Corner type connecting tool |
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| CN219130557U true CN219130557U (en) | 2023-06-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000870A (en) * | 2022-12-28 | 2023-04-25 | 西安聚行机电科技发展有限公司 | Corner type connecting tool and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000870A (en) * | 2022-12-28 | 2023-04-25 | 西安聚行机电科技发展有限公司 | Corner type connecting tool and using method thereof |
| CN116000870B (en) * | 2022-12-28 | 2025-07-01 | 西安聚行机电科技发展有限公司 | Corner connection tool and method of using the same |
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