CN220050658U - Precise welding positioning device for connecting shaft assembly of control system - Google Patents
Precise welding positioning device for connecting shaft assembly of control system Download PDFInfo
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- CN220050658U CN220050658U CN202321612808.6U CN202321612808U CN220050658U CN 220050658 U CN220050658 U CN 220050658U CN 202321612808 U CN202321612808 U CN 202321612808U CN 220050658 U CN220050658 U CN 220050658U
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- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model discloses a precise welding positioning device for a connecting shaft assembly of an operating system, belongs to the technical field of welding tools, and aims to solve the problem that large workpieces with multiple dimensions are inconvenient to fix with a welding positioner. The device comprises a base plate, wherein a first limiting support block, a step shaft circumferential jackscrew frame, a second limiting support block and a key slot positioning support are sequentially arranged at the rear end of the base plate from left to right, a connecting block positioning seat, a short pull arm circumferential positioning block, a long pull arm axial jackscrew frame and a long pull arm positioning block are sequentially arranged at the front side of the first limiting support block from back to front, and a short pull arm axial jackscrew frame is arranged at the right side of the connecting block positioning seat; the step shaft body, the long pull arm and the short pull arm are mutually matched, and are positioned by the utility model, so that the precise assembly and clamping control of the step shaft body, the short pull arm and the long pull arm are realized, and the problems of low welding verticality precision of the short pull arm and the long pull arm and the step shaft body and large included angle error of the short pull arm and the long pull arm are solved.
Description
Technical Field
The utility model belongs to the technical field of welding tools, and particularly relates to a precise welding positioning device for a connecting shaft assembly of an operating system.
Background
The connecting shaft component of the control system is used as an important component of a brake mechanism of an armored vehicle and is used for connecting a pull rod, transmitting torque and converting the direction of the force, thereby playing a vital role in the system. The molding quality of the system directly influences the smoothness and the accuracy control of the system in the movement work.
The connecting shaft assembly used for the tank armored vehicle has high requirements on the design index of rigidity and precision of welding structural members, and the welding technology of the parts has three difficulties. The parallelism control between first, long arm and the short arm is difficult, because two arms belong to the narrower rectangular class part of width, guarantees 0.5 mm's parallelism and needs to guarantee strictly that two arm planeness is good to end and afterbody interval are accurate. Second, because an included angle is formed between the long pull arm and the short pull arm along the circumferential direction of the step shaft, the accuracy of the included angle is difficult to control. Third, the step shaft is difficult to control the perpendicularity between the long pull arm and the short pull arm, and because the step shaft is long and is required to be inserted into the through holes at the rear ends of the two pull arms, partial constraint is formed, and the perpendicularity is not easy to realize in the axial direction in the actual operation process.
In the prior manufacturing process, the parallelism and the included angle of the two pull arms are controlled by adopting an angle template measurement mode, and the pull arms can only be manually moved to the next plane after being measured in one plane; the perpendicularity of the step shaft is not well controlled, resulting in low manufacturing uniformity of the welded parts. During assembly commissioning, rework problems often occur.
Disclosure of Invention
The utility model aims to provide a precise welding positioning device for a connecting shaft assembly of an operating system, which aims to solve the problem of low welding positioning precision of the connecting shaft assembly of an armored vehicle. The technical scheme adopted by the utility model is as follows:
the connecting shaft assembly comprises a step shaft body, a long pull arm, a short pull arm and a fixed seat, wherein the step shaft body comprises a first shaft section, a second shaft section and a third shaft section which are sequentially connected from left to right, the diameter of the second shaft section is larger than that of the first shaft section and the third shaft section, a first hinge hole is formed in the front end of the long pull arm, a through hole matched with the first shaft section is formed in the rear end of the long pull arm, a second hinge hole is formed in the front end of the short pull arm, a through hole matched with the second shaft section is formed in the rear end of the short pull arm, and a semicircular key groove is formed in the lower side of the third shaft section;
the device comprises a base plate, wherein a first limiting support block, a step shaft circumferential jackscrew frame, a second limiting support block and a key slot positioning support are sequentially arranged at the rear end of the base plate from left to right, a connecting block positioning seat, a short pull arm circumferential positioning block, a long pull arm axial jackscrew frame and a long pull arm positioning block are sequentially arranged at the front side of the first limiting support block from back to front, and a short pull arm axial jackscrew frame is arranged at the right side of the connecting block positioning seat;
the top end of the first limiting support block is provided with an arc-shaped groove which is penetrated rightward, the top end of the second limiting support block is provided with an arc-shaped groove which is penetrated leftward and rightward, the arc-shaped grooves of the first limiting support block and the second limiting support block are coaxial, a first jackscrew which is vertically arranged is connected to the step axial circumferential jackscrew frame in a threaded manner, the top end of the key slot limiting support is provided with a semicircular key structure, the connecting block positioning seat is a cuboid, the front end of the upper end surface of the connecting block positioning seat is provided with an upward protruding limiting edge, the long pull arm positioning block is provided with a third hinge hole in a left-right manner, the short pull arm circumferential positioning block is provided with a fourth hinge hole in a left-right manner, the long pull arm shaft is connected with a second jackscrew which is arranged leftward and rightward in a threaded manner to the jackscrew frame, and the short pull arm shaft is connected with a third jackscrew which is arranged leftward and rightward in a threaded manner to the jackscrew frame;
during welding, the first shaft section penetrates through the rear end through holes penetrating through the second gasket, the fixing seat, the first gasket and the long pull arm in sequence, the left end of the first shaft section is matched with the arc-shaped groove of the first limiting supporting block, the periphery of the third shaft section is matched with the arc-shaped groove of the second limiting supporting block, the rear end of the short pull arm is sleeved on the second shaft section, the first jackscrew is propped against the upper side of the second shaft section, the semicircular key-shaped structure of the key groove locating support is in splicing fit with the semicircular key groove, the rear end of the long pull arm is propped against the right end face of the first limiting supporting block, the front end of the long pull arm is propped against the right end face of the long pull arm locating block, the first hinge hole is hinged with the third hinge hole through a pin shaft, the second jackscrew is propped against the right end face of the long pull arm, the short pull arm is propped against the right end face of the connecting block locating seat, the second hinge hole and the fourth hinge hole are hinged through a pin shaft, the third jackscrew is propped against the right end face of the short pull arm, the connecting block is propped against the locating seat, the front end of the connecting block is matched with the right end face of the connecting block, the left end face of the connecting block is matched with the left end face of the long pull arm, and the right end face of the connecting block is matched with the long pull block.
Further, the thickness of the first limiting support block in the left-right direction is 20mm, and the thickness of the second limiting support block in the left-right direction is 20mm.
Further, the thickness of the key groove positioning support in the front-rear direction is 20mm.
Further, the long pull arm is 20mm thick in the left-right direction of the top frame, and the short pull arm is 20mm thick in the left-right direction of the top frame.
Further, the left and right direction of the long-pulling arm positioning block is 20mm thick, and the left and right direction of the short-pulling arm circumferential positioning block is 20mm thick.
Further, the first jackscrew, the second jackscrew and the third jackscrew are M20 bolts.
Further, the thickness of the base plate is 20mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the axial center of the step shaft body is positioned through the first limiting supporting block, the second limiting supporting block and the first jackscrew, the axial direction and the circumferential direction of the step shaft body are positioned through the key groove positioning support, the long pulling arm is positioned along the axial direction of the step shaft body through the long pulling arm positioning block, the first limiting supporting block and the second jackscrew, the long pulling arm is positioned along the circumferential direction of the step shaft body through the third hinging hole and the step shaft body, the short pulling arm is positioned along the axial direction of the step shaft body through the connecting block positioning seat and the third jackscrew, the short pulling arm is positioned along the circumferential direction of the step shaft body through the fourth hinging hole and the step shaft body, the connecting block is positioned through the connecting block positioning seat, and then the precision assembly and the clamping control of the step shaft body, the welding verticality precision of the short pulling arm and the long pulling arm and the step shaft body are low, the included angle error of the short pulling arm and the long pulling arm is large are solved, the welding verticality precision of the long pulling arm and the short pulling arm and the welding precision of the welding angle between the long pulling arm and the short pulling arm and the welding precision of the step shaft body can be guaranteed to be 0.5mm, and the welding precision of the welding angle between the long pulling arm and the short pulling arm can be guaranteed to be 0.5 mm.
2. The parts of the utility model are manufactured by welding after sawing a steel plate with the thickness of 20mm, the whole rigidity is good, the clamping of the connecting shaft assembly is simple, the welding precision and quality are improved, the production efficiency is greatly improved, and the problem that the operation by a single person is difficult to realize is solved.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic structural view of the connecting shaft assembly;
FIG. 4 is a schematic illustration of the mating of the present utility model with a connecting shaft assembly;
FIG. 5 is a top plan view of the mating connection shaft assembly of the present utility model;
fig. 6 is a schematic structural view of the stepped shaft body.
In the figure: the device comprises a 1-base plate, a 2-first limiting supporting block, a 3-step shaft circumferential jackscrew frame, a 4-second limiting supporting block, a 5-key groove positioning support, a 6-first jackscrew, a 7-connecting block positioning seat, an 8-short pull arm circumferential positioning block, a 9-long pull arm axial jackscrew frame, a 10-long pull arm positioning block, a 11-short pull arm axial jackscrew frame, a 12-third hinge hole, a 13-fourth hinge hole, a 14-second jackscrew, a 15-third jackscrew, a 16-step shaft body, a 17-short pull arm, a 18-long pull arm, a 19-connecting block, a 20-fixing seat, a 21-first hinge hole, a 22-second hinge hole, a 23-first shaft section, a 24-second shaft section, a 25-third shaft section and a 26-semicircular key groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The connection mentioned in the utility model is divided into fixed connection and detachable connection, wherein the fixed connection is a conventional fixed connection mode such as folding connection, rivet connection, bonding connection, welding connection and the like, the detachable connection comprises a conventional detachable mode such as bolt connection, buckle connection, pin connection, hinge connection and the like, and when a specific connection mode is not limited, at least one connection mode can be found in the conventional connection mode by default to realize the function, and the person skilled in the art can select the function according to the needs. For example: the fixed connection is welded connection, and the detachable connection is bolted connection.
The present utility model will be described in further detail below with reference to the accompanying drawings, the following examples being illustrative of the present utility model and the present utility model is not limited to the following examples.
Examples: as shown in fig. 1-6, a connecting shaft assembly of an operating system is precisely welded and positioned, the connecting shaft assembly comprises a step shaft body 16, a long pull arm 18, a short pull arm 17 and a fixed seat 20, the step shaft body 16 comprises a first shaft section 23, a second shaft section 24 and a third shaft section 25 which are sequentially connected from left to right, the diameter of the second shaft section 24 is larger than that of the first shaft section 23 and the third shaft section 25, a first hinge hole 21 is arranged at the front end of the long pull arm 18, a through hole matched with the first shaft section 23 is arranged at the rear end of the long pull arm 18, a second hinge hole 22 is arranged at the front end of the short pull arm 17, a through hole matched with the second shaft section 24 is arranged at the rear end of the short pull arm 17, and a semicircular key groove 26 is arranged at the lower side of the third shaft section 25;
the device comprises a base plate 1, wherein a first limiting support block 2, a step shaft circumferential jackscrew frame 3, a second limiting support block 4 and a key groove positioning support 5 are sequentially arranged at the rear end of the base plate 1 from left to right, a connecting block positioning seat 7, a short pull arm circumferential positioning block 8, a long pull arm axial jackscrew frame 9 and a long pull arm positioning block 10 are sequentially arranged at the front side of the first limiting support block 2 from back to front, and a short pull arm axial jackscrew frame 11 is arranged at the right side of the connecting block positioning seat 7;
the top of the first limiting support block 2 is provided with an arc-shaped groove which is penetrated rightward, the top of the second limiting support block 4 is provided with an arc-shaped groove which is penetrated leftward and rightward, the arc-shaped grooves of the first limiting support block 2 and the second limiting support block 4 are coaxial, a first jackscrew 6 which is vertically arranged is connected to the step shaft circumferential jackscrew frame 3 in a threaded manner, the top of the key groove limiting support is provided with a semicircular key structure, the connecting block positioning seat 7 is a cuboid, the front end of the upper end surface of the connecting block positioning seat 7 is provided with an upward protruding limiting edge, the left and right of the long pull arm positioning block 10 is provided with a third hinging hole 12, the left and right of the short pull arm circumferential positioning block 8 is provided with a fourth hinging hole 13, the long pull arm shaft is connected with a second jackscrew 14 which is arranged leftward and rightward in a threaded manner, and the short pull arm shaft is connected with a third jackscrew 15 which is arranged leftward and rightward on the short pull arm shaft jackscrew frame 11;
during welding, the first shaft section 23 penetrates through rear end through holes penetrating through the second gasket, the fixing seat 20, the first gasket and the long pull arm 18 in sequence, the left end of the first shaft section 23 is matched with an arc-shaped groove of the first limiting supporting block 2, the periphery of the third shaft section 25 is matched with an arc-shaped groove of the second limiting supporting block 4, the rear end of the short pull arm 17 is sleeved on the second shaft section 24, the first jackscrew 6 is propped against the upper side of the second shaft section 24, the semicircular key-shaped structure of the key slot positioning support 5 is in plug-in fit with the semicircular key slot 26, the rear end of the long pull arm 18 is propped against the right end face of the first limiting supporting block 2, the front end of the long pull arm 18 is propped against the right end face of the long pull arm positioning block 10, the first hinging hole 21 is hinged with the third hinging hole 12 through a pin shaft, the second jackscrew 14 is propped against the right end face of the long pull arm 18, the short pull arm 17 is propped against the right end face of the connecting block positioning seat 7, the second hinging hole 22 and the fourth hinging hole 13 are hinged through a pin shaft, the third jackscrew 15 is propped against the right end face of the upper end face of the short pull arm 17, the right end face of the short pull arm 19 is propped against the left end face 19 of the connecting block 19, and the left end of the connecting block 19 is matched with the left end face of the connecting block 19, and the right end of the connecting block 19 is matched with the left end face of the connecting block 19.
The left and right direction of the first limiting support block 2 is 20mm thick, and the left and right direction of the second limiting support block 4 is 20mm thick.
The thickness of the key groove positioning bracket 5 in the front-rear direction is 6mm.
The long pull arm is 20mm thick in the left-right direction of the top frame 9, and the short pull arm is 20mm thick in the left-right direction of the top frame 11.
The left and right direction of the long-pulling arm positioning block 10 is 20mm, and the left and right direction of the short-pulling arm circumferential positioning block 8 is 20mm.
The first, second and third jackscrews 6, 14 and 15 are M20 bolts.
The thickness of the base plate 1 is 20mm.
The axial center of the step shaft body 16 is positioned through the first limiting support block 2, the second limiting support block 4 and the first jackscrew 6, the axial direction and the circumferential direction of the step shaft body 16 are positioned through the key groove positioning support 5, the long pull arm 18 is positioned along the axial direction of the step shaft body 16 through the long pull arm positioning block 10, the first limiting support block 2 and the second jackscrew 14, the long pull arm 18 is positioned along the circumferential direction of the step shaft body 16 through the third hinge hole 12 and the step shaft body 16, the short pull arm 17 is positioned along the axial direction of the step shaft body 16 through the connecting block positioning seat 7 and the third jackscrew 15, the short pull arm 17 is positioned along the circumferential direction of the step shaft body 16 through the fourth hinge hole 13 and the step shaft body 16, after the connecting block 19 is positioned through the connecting block positioning seat 7, the short pull arm 17 and the long pull arm 18 are respectively welded with the connecting block 19 after the connecting block positioning seat is assembled, the short pull arm 17 and the long pull arm 18 are respectively welded with the step shaft body 16, and then the precise assembly and clamping control of the step shaft body 16, the short pull arm 17 and the long pull arm 18 are realized, the problems that the welding verticality precision of the short pull arm 17 and the long pull arm 18 and the step shaft body 16 is low, the included angle error of the short pull arm 17 and the long pull arm 18 is large are solved, the welding precision of the parallelism of 0.5mm after the welding of the long pull arm 18 and the short pull arm 17 and the deflection angle precision of 0.5mm between the long pull arm 18 and the short pull arm 17 can be ensured, and the welding precision of the verticality of 0.5mm between the step shaft body 16 and the long pull arm 18 and the short pull arm 17 can be ensured.
The parts of the utility model are manufactured by welding after sawing a steel plate with the thickness of 20mm, the whole rigidity is good, the clamping of the connecting shaft assembly is simple, the welding precision and quality are improved, the production efficiency is greatly improved, and the problem that the operation by a single person is difficult to realize is solved.
The above embodiments are only illustrative of the present utility model and do not limit the scope thereof, and those skilled in the art may also make modifications to parts thereof without departing from the spirit of the utility model.
Claims (7)
1. The utility model provides a precise welding positioning device of a control system connecting shaft assembly, the connecting shaft assembly includes step axle body (16), long pull arm (18), short pull arm (17) and fixing base (20), step axle body (16) are including from left to right first axle section (23), second axle section (24) and third axle section (25) that link to each other in proper order, the diameter of second axle section (24) is greater than the diameter of first axle section (23) and third axle section (25), the front end of long pull arm (18) is equipped with first hinge hole (21), the rear end of long pull arm (18) is equipped with the through-hole with first axle section (23) looks adaptation, the front end of short pull arm (17) is equipped with second hinge hole (22), the rear end of short pull arm (17) is equipped with the through-hole with second axle section (24) looks adaptation, the downside of third axle section (25) is equipped with half key groove (26);
the method is characterized in that: the novel telescopic lifting device comprises a base plate (1), wherein a first limiting supporting block (2), a step shaft circumferential jackscrew frame (3), a second limiting supporting block (4) and a key groove positioning support (5) are sequentially arranged at the rear end of the base plate (1) from left to right, a connecting block positioning seat (7), a short pull arm circumferential positioning block (8), a long pull arm axial jackscrew frame (9) and a long pull arm positioning block (10) are sequentially arranged at the front side of the first limiting supporting block (2) from back to front, and a short pull arm axial jackscrew frame (11) is arranged at the right side of the connecting block positioning seat (7);
the top of the first limiting supporting block (2) is provided with an arc-shaped groove which is penetrated right, the top of the second limiting supporting block (4) is provided with an arc-shaped groove which is penetrated left and right, the arc-shaped grooves of the first limiting supporting block (2) and the second limiting supporting block (4) are coaxial, a first jackscrew (6) which is vertically arranged is connected to a step shaft circumferential jackscrew frame (3) in a threaded manner, the top of the key groove limiting support is provided with a semicircular key structure, the connecting block positioning seat (7) is a cuboid, the front end of the upper end of the connecting block positioning seat (7) is provided with an upward protruding limiting edge, the left and right of the long pulling arm positioning block (10) is provided with a third hinge hole (12), the left and right of the short pulling arm circumferential positioning block (8) is provided with a fourth hinge hole (13), the long pulling arm shaft is connected to a second jackscrew (14) which is arranged left and right of the jackscrew frame (9) in a threaded manner, and the short pulling arm shaft is connected to the jackscrew frame (11) in a threaded manner with a third jackscrew (15) which is arranged left and right;
during welding, the first shaft section (23) penetrates through rear end through holes sequentially penetrating through the second gasket, the fixing seat (20), the first gasket and the long pull arm (18), the left end of the first shaft section (23) is matched with an arc-shaped groove of the first limiting supporting block (2), the periphery of the third shaft section (25) is matched with an arc-shaped groove of the second limiting supporting block (4), the rear end of the short pull arm (17) is sleeved on the second shaft section (24), the first jackscrew (6) is propped against the upper side of the second shaft section (24), the semicircular key-shaped structure of the key-groove positioning bracket (5) is in plug-in fit with the semicircular key groove (26), the rear end of the long pull arm (18) is propped against the right end face of the first limiting supporting block (2), the front end of the long pull arm (18) is propped against the right end face of the long pull arm positioning block (10), the first hinging hole (21) is hinged with the third hinging hole (12) through a pin shaft, the second jackscrew (14) is propped against the right end face of the long pull arm (18) and is propped against the right end face of the third hinging block (19), the second jackscrew (17) is propped against the right end face (19) of the right end of the connecting block (19) through the positioning block (19) and the right end of the second hinging block (19), the left end face of the connecting block (19) is matched with the right end face of the long pulling arm (18), and the right end face of the connecting block (19) is matched with the left end face of the short pulling arm (17).
2. The precise welding positioning device for the connecting shaft assembly of the operating system according to claim 1, wherein: the thickness of the first limiting support block (2) in the left-right direction is 20mm, and the thickness of the second limiting support block (4) in the left-right direction is 20mm.
3. The precise welding positioning device for the connecting shaft assembly of the operating system according to claim 2, wherein: the thickness of the key groove positioning bracket (5) in the front-back direction is 6mm.
4. The precise welding positioning device for the connecting shaft assembly of the operating system according to claim 1, wherein: the thickness of the long pull arm shaft is 20mm towards the left and right direction of the top wire frame (9), and the thickness of the short pull arm shaft is 20mm towards the left and right direction of the top wire frame (11).
5. The precise welding positioning device for the connecting shaft assembly of the operating system according to claim 1, wherein: the left and right direction of the long-pulling arm positioning block (10) is 20mm thick, and the left and right direction of the short-pulling arm circumferential positioning block (8) is 20mm thick.
6. The precise welding positioning device for the connecting shaft assembly of the operating system according to claim 1, wherein: the first jackscrew (6), the second jackscrew (14) and the third jackscrew (15) are M20 bolts.
7. The precision welding positioning device for a connecting shaft assembly of a manipulation system according to any one of claims 1 to 6, wherein: the thickness of the base plate (1) is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612808.6U CN220050658U (en) | 2023-06-25 | 2023-06-25 | Precise welding positioning device for connecting shaft assembly of control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612808.6U CN220050658U (en) | 2023-06-25 | 2023-06-25 | Precise welding positioning device for connecting shaft assembly of control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220050658U true CN220050658U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321612808.6U Active CN220050658U (en) | 2023-06-25 | 2023-06-25 | Precise welding positioning device for connecting shaft assembly of control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220050658U (en) |
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2023
- 2023-06-25 CN CN202321612808.6U patent/CN220050658U/en active Active
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