CN113001095A - Transmission shaft and duplex lever connection positioning and clamping mechanism - Google Patents
Transmission shaft and duplex lever connection positioning and clamping mechanism Download PDFInfo
- Publication number
- CN113001095A CN113001095A CN202110241612.XA CN202110241612A CN113001095A CN 113001095 A CN113001095 A CN 113001095A CN 202110241612 A CN202110241612 A CN 202110241612A CN 113001095 A CN113001095 A CN 113001095A
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- positioning
- transmission shaft
- lever
- clamping mechanism
- support plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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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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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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- Clamps And Clips (AREA)
Abstract
The invention discloses a connecting, positioning and clamping mechanism for a transmission shaft and a duplex lever, which comprises: the base, the location backup pad, set up in the middle part of base, the constant head tank has been seted up to the upside of location backup pad, first fixed knot constructs, set up in the upside of location backup pad, first fixed knot constructs can to fix the transmission shaft in the constant head tank, two locating levers, set up respectively in the both sides of location backup pad, two locating levers are parallel to each other, the axis of two locating levers coincides with the axis of two hinge holes on the pair lever respectively, two locating levers can be dismantled with two hinge holes respectively and be connected, the second fixed knot constructs, can dismantle with the locating lever and be connected, the second fixed knot constructs can fix the pair lever on the locating lever, this location clamping mechanism location is accurate, high reliability, it is simple and convenient to install, transmission shaft and pair lever equipment and dismantlement efficiency have very high practicality and economic nature.
Description
Technical Field
The invention belongs to the technical field of positioning and clamping mechanisms, and particularly relates to a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever.
Background
The mechanical transverse opening and closing mechanism of the railway wagon is a four-bar linkage (see figure 1), a transmission shaft 101 is arranged between every two bottom doors, a duplex lever 102 is welded on the transmission shaft 101 and connected with the bottom doors through long and short connecting rods 103, and the long and short connecting rods 103 are connected with a bolt connecting rod 102 through a bushing 104. The mechanism adopts the lever eccentricity e to prevent the bottom door from being automatically opened in the operation process, when the mechanism rotates by the lever eccentricity e being 0 point, the bottom door or the bottom door and goods are automatically opened under the action of gravity, the lever eccentricity e of the mechanism has a safety range value, the parallelism of two duplex levers connected on the same transmission shaft, the coaxiality of corresponding connecting holes of the duplex lever 102 and the long and short connecting rods 103 and the coaxiality of the transmission shaft 101 and the duplex lever 102 are important factors influencing the lever eccentricity e, the parallelism of the two duplex levers connected on the same transmission shaft, the coaxiality of corresponding connecting holes of the duplex lever 102 and the long and short connecting rods 103 and the coaxiality of the transmission shaft 101 and the duplex lever 102 are important factors influencing the lever eccentricity e during actual welding, and therefore the clamping mechanism for connecting the transmission shaft and the duplex lever needs to be designed.
Disclosure of Invention
The invention aims to provide a positioning and clamping mechanism for connecting a transmission shaft and a duplex lever, aiming at the defects in the prior art, the positioning and clamping mechanism has the advantages of accurate positioning, strong reliability, simple and convenient installation, improvement on the assembly efficiency of the transmission shaft and the duplex lever, and very high practicability and economy.
In order to achieve the above object, the present invention provides a connecting, positioning and clamping mechanism for a transmission shaft and a dual lever, comprising:
a base;
the positioning support plate is arranged in the middle of the base, and a positioning groove is formed in the upper side of the positioning support plate;
the first fixing structure is arranged on the upper side of the positioning support plate and can fix the transmission shaft in the positioning groove;
the two positioning rods are respectively arranged on two sides of the positioning support plate and are parallel to each other, the axes of the two positioning rods are respectively superposed with the axes of the two hinge holes on the duplex lever, and the two positioning rods can be respectively detachably connected with the two hinge holes;
and the second fixing structure can fix the duplex lever on the positioning rod.
Optionally, the first fixing structure comprises:
one end of the turning cover plate is arranged on one side of the positioning groove and is hinged with the positioning support plate, the other end of the turning cover plate is arranged on the other side of the positioning groove and is detachably connected with the positioning support plate, and the middle part of the turning cover plate is bent upwards to form an inverted V shape;
the first threaded hole is formed in the other side of the positioning groove;
and the bolt is arranged at the other end of the turnover cover plate and is matched with the first threaded hole.
Optionally, the second fixation structure comprises:
the second threaded holes are formed in two ends of the positioning rod;
and the positioning screw comprises a threaded part, a polished rod part and an end part, and the thread of the threaded part is matched with the second threaded hole.
Optionally, the positioning rod is connected with the middle of the base through a first support plate, second support plates are arranged at two ends of the base, and a gap is formed between each second support plate and the positioning rod.
Optionally, a third fixing structure is further included, the third fixing structure including:
the connecting sleeve penetrates through the second support plate, and a threaded through hole is formed in the connecting sleeve along the axial direction of the connecting sleeve;
and the clamping bolt is in threaded connection in the threaded through hole, and one end of the clamping bolt is detachably connected with the positioning screw.
Optionally, one end of the positioning screw, which is far away from the polished rod portion, is provided with a countersunk hole, the one end of the clamping bolt can be inserted into the countersunk hole, and the other end of the clamping bolt is provided with a rotating portion.
Optionally, the one end upside of base is provided with the spindle nose baffle, the last transmission shaft restriction hole of having seted up of spindle nose baffle, works as the transmission shaft is placed in the constant head tank, the one end of transmission shaft can with the cooperation of pegging graft of transmission shaft restriction hole.
Optionally, the positioning support plate is provided in plurality.
Optionally, the base is symmetrically provided with connecting shafts.
The invention provides a connecting, positioning and clamping mechanism for a transmission shaft and a duplex lever, which has the beneficial effects that:
1. the positioning and clamping mechanism has the advantages of accurate positioning, strong reliability, simple and convenient installation, improvement of the assembly efficiency of the transmission shaft and the dual lever, and very high practicability and economy;
2. the fastening bolt of the positioning and clamping mechanism is adjustable and can not be disassembled, so that the positioning and clamping mechanism is prevented from being lost and has strong operability;
3. the connecting shafts are arranged at the two ends of the base of the positioning and clamping mechanism, so that the clamping mechanism can be turned over, and the dual-lever and the transmission shaft can be conveniently welded.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural diagram of a conventional two-link lever.
Fig. 2 shows a schematic structural diagram of a transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
Fig. 3 shows a schematic structural diagram of a transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram illustrating a first fixing structure of a transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram illustrating a second fixing structure of the transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
FIG. 6 illustrates a cross-sectional view A-A of FIG. 5 of a drive shaft coupled to a dual lever positioning clamp mechanism, according to one embodiment of the present invention.
Fig. 7 is a schematic structural diagram illustrating a third fixing structure of the transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
Description of reference numerals:
fig. 2 to 7 are drawings of the clamping mechanism:
1. a base; 2. positioning the supporting plate; 3. positioning a rod; 4. a bolt; 5. turning over a cover plate; 6. a first threaded hole; 7 a second threaded hole; 8. a set screw; 9. connecting a sleeve; 10. clamping the bolt; 11. a shaft head baffle; 12. and (7) connecting the shafts.
FIG. 1 is a drawing of a mechanical lateral opening and closing mechanism:
101. a drive shaft; 102. a duplex lever; 103. a long connecting rod and a short connecting rod; 104. a bushing.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
FIG. 2 is a schematic diagram of a transmission shaft and dual lever linkage positioning and clamping mechanism according to an embodiment of the invention; fig. 3 shows a schematic structural diagram of a transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
As shown in fig. 2-3, a transmission shaft and dual lever connection positioning and clamping mechanism comprises:
a base 1;
the positioning support plate 2 is arranged in the middle of the base 1, and a positioning groove is formed in the upper side of the positioning support plate 2;
the first fixing structure is arranged on the upper side of the positioning support plate 2 and can fix the transmission shaft 101 in the positioning groove;
the two positioning rods 3 are respectively arranged at two sides of the positioning support plate 2, the two positioning rods 3 are parallel to each other, the axes of the two positioning rods 3 are respectively superposed with the axes of the two hinge holes on the dual-link lever 102, and the two positioning rods 3 can be respectively detachably connected with the two hinge holes;
a second fixing structure capable of fixing the double lever 102 to the positioning rod 3.
Specifically, support fixed position backup pad 2, first fixed knot through base 1 and construct and locating lever 3, press from both sides tight fixed transmission axle 101 through fixed position backup pad 2 and first fixed knot structure, fix transmission axle 101 in the constant head tank, the constant head tank is the V-arrangement, cooperates fixed pair lever 102 of second fixed knot structure through locating lever 3, guarantees transmission axle 101 and pair lever 102's axiality and the axiality of pair lever 102 hinge hole.
Further, the base 11 is formed by assembling and welding channel steel.
Fig. 4 is a schematic structural diagram illustrating a first fixing structure of a transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
As shown in fig. 4, in the present embodiment, the first fixing structure includes:
one end of the flip cover plate 5 is arranged on one side of the positioning groove and is hinged with the positioning support plate 2, the other end of the flip cover plate 5 is arranged on the other side of the positioning groove and is detachably connected with the positioning support plate 2, and the middle part of the flip cover plate 5 is bent upwards to form an inverted V shape;
the first threaded hole 6 is arranged on the other side of the positioning groove;
and the bolt 4 is arranged at the other end of the turnover cover plate 5 and is matched with the first threaded hole 6.
Specifically, the transmission shaft is clamped through the positioning groove and the flip cover plate 5, so that the transmission shaft 101 automatically finds the center, and the positioning support plate 2 is fastened with the flip cover plate 5 through the bolt 4 and the first threaded hole 6.
FIG. 5 is a schematic diagram illustrating a second fixing structure of the transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention; FIG. 6 illustrates a cross-sectional view A-A of FIG. 5 of a drive shaft coupled to a dual lever positioning clamp mechanism, according to one embodiment of the present invention.
As shown in fig. 5 to 6, in the present embodiment, the second fixing structure includes:
the second threaded holes 7 are formed in two ends of the positioning rod 3;
and the positioning screw 8 comprises a threaded part, a polished rod part and an end part, and the thread of the threaded part is matched with the second threaded hole 7.
Specifically, the length of the polished rod part of the positioning screw 8 is consistent with the thickness of the dual lever 102, the diameter of the polished rod part of the positioning screw 8 is consistent with the inner diameter of the bushing 104, and the coaxiality of connecting holes on the same side of the two dual levers 102 is ensured by assembling and fixing the bushing 104 and the dual lever 102 through the positioning screw 8.
Fig. 7 is a schematic structural diagram illustrating a third fixing structure of the transmission shaft and dual lever connection positioning and clamping mechanism according to an embodiment of the invention.
As shown in fig. 7, in this embodiment, the positioning rod 3 is connected to the middle of the base 1 through a first bracket plate, second bracket plates are disposed at two ends of the base 1, and a gap is disposed between the second bracket plates and the positioning rod 3.
Specifically, the base 1 fixes the positioning rod 3 through the first bracket plate.
In this embodiment, the present invention further includes a third fixing structure, where the third fixing structure includes:
the connecting sleeve 9 penetrates through the second support plate, and a threaded through hole is formed in the connecting sleeve 9 along the axial direction of the connecting sleeve 9;
and the clamping bolt 10 is in threaded connection in the threaded through hole, and one end of the clamping bolt is detachably connected with the positioning screw 8.
Specifically, base 1 passes through between the second board fixed connection sleeve pipe 9, and connection sleeve pipe 9 is coaxial with locating lever 3 and set screw 8, drives set screw 8 through clamping bolt 10 and removes, and then makes bush 104 and pair lever 102 cooperation, guarantees pair lever 102's depth of parallelism, and the convenience corrects the plane degree when pair lever 102 is crooked simultaneously.
In this embodiment, a countersunk hole is formed at one end of the positioning screw 8, which is far away from the polished rod part, one end of the clamping bolt 10 can be inserted into the countersunk hole, and a rotating part is arranged at the other end of the clamping bolt 10.
Specifically, the set screw 8 is driven by inserting the clamping bolt 10 into the countersunk hole.
In this embodiment, the one end upside of base 1 is provided with spindle nose baffle 11, has seted up the transmission shaft on the spindle nose baffle 11 and has restricted the hole, and when transmission shaft 101 was placed in the constant head tank, transmission shaft 101's one end can restrict the hole grafting cooperation with the transmission shaft.
Specifically, the axial position of the transmission shaft 101 is limited through the shaft head baffle 11, and the position of the transmission shaft is limited through the matching positioning support plate 2.
In the present embodiment, the positioning support plate 2 is provided in plurality.
Specifically, the number of the three positioning support plates 2 is three, and the straightness of the transmission shaft 101 is ensured by the three positioning support plates 2, so that the transmission shaft 101 is prevented from being bent and deformed in the connection process of the duplex lever 102.
In the present embodiment, the base 1 is symmetrically provided with the connecting shafts 12.
Specifically, the connecting shaft 12 is vertically welded on the base 1, and the base 1 is rotated by connecting the connecting shaft 12 with a rotating shaft of a motor.
When the positioning and clamping mechanism of the embodiment is used, taking the assembly of the transmission shaft 101 and the dual lever 102 as an example, firstly, the dual lever 102 is sleeved at two ends of the transmission shaft 101, then, the transmission shaft 101 is placed in the positioning groove of the positioning support plate 2, the axial length position is confirmed through the shaft head baffle plate 11, then, the turning cover plate 5 clamps the transmission shaft 101, so that the transmission shaft 101 automatically finds the center, the positioning support plate 2 and the turning cover plate 5 are fastened through the bolt 4 and the first threaded hole 6, the transmission shaft 101 is clamped and fixed, the angular position of the dual lever 102 is adjusted, the dual lever 102 is fixed through the second fixing structure, then, the bush 104 is sleeved on the positioning screw 8, the positioning screw 8 is driven through the third fixing structure, so that the bush 104 is conveniently installed in the hinge hole, the coaxiality positioning of the connecting hole of the dual lever 102 and the coaxiality of the transmission shaft 101 and the dual, and then, welding and fixing are carried out, the connecting shaft 12 can be connected with a motor to rotate the positioning and clamping mechanism, the angle of the positioning and clamping mechanism is changed, and the transmission shaft 101 and the duplex lever 102 can be conveniently welded.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. The utility model provides a transmission shaft and pair lever connection location clamping mechanism which characterized in that includes:
a base;
the positioning support plate is arranged in the middle of the base, and a positioning groove is formed in the upper side of the positioning support plate;
the first fixing structure is arranged on the upper side of the positioning support plate and can fix the transmission shaft in the positioning groove;
the two positioning rods are respectively arranged on two sides of the positioning support plate and are parallel to each other, the axes of the two positioning rods are respectively superposed with the axes of the two hinge holes on the duplex lever, and the two positioning rods can be respectively detachably connected with the two hinge holes;
and the second fixing structure can fix the duplex lever on the positioning rod.
2. The transmission shaft and dual lever linkage positioning and clamping mechanism as claimed in claim 1, wherein the first fixing structure comprises:
one end of the turning cover plate is arranged on one side of the positioning groove and is hinged with the positioning support plate, the other end of the turning cover plate is arranged on the other side of the positioning groove and is detachably connected with the positioning support plate, and the middle part of the turning cover plate is bent upwards to form an inverted V shape;
the first threaded hole is formed in the other side of the positioning groove;
and the bolt is arranged at the other end of the turnover cover plate and is matched with the first threaded hole.
3. The transmission shaft and dual lever joint positioning and clamping mechanism as claimed in claim 1, wherein the second fixing structure comprises:
the second threaded holes are formed in two ends of the positioning rod;
and the positioning screw comprises a threaded part, a polished rod part and an end part, and the thread of the threaded part is matched with the second threaded hole.
4. The connecting, positioning and clamping mechanism for the transmission shaft and the duplex lever as claimed in claim 1, wherein the positioning rod is connected with the middle part of the base through a first bracket plate, second bracket plates are arranged at two ends of the base, and a gap is arranged between the second bracket plates and the positioning rod.
5. The transmission shaft and dual lever joint positioning and clamping mechanism of claim 4, further comprising a third fixing structure, wherein the third fixing structure comprises:
the connecting sleeve penetrates through the second support plate, and a threaded through hole is formed in the connecting sleeve along the axial direction of the connecting sleeve;
and the clamping bolt is in threaded connection in the threaded through hole, and one end of the clamping bolt is detachably connected with the positioning screw.
6. The mechanism as claimed in claim 5, wherein a countersunk hole is formed at an end of the positioning screw, which is away from the polished rod portion, the end of the clamping bolt can be inserted into the countersunk hole, and a rotating portion is formed at the other end of the clamping bolt.
7. The mechanism as claimed in claim 1, wherein a spindle nose baffle is disposed at an upper side of one end of the base, the spindle nose baffle is provided with a transmission shaft limiting hole, and when the transmission shaft is disposed in the positioning groove, one end of the transmission shaft can be inserted into and engaged with the transmission shaft limiting hole.
8. The transmission shaft and double lever connection positioning and clamping mechanism as claimed in claim 1, wherein the positioning support plate is provided in plurality.
9. The transmission shaft and double lever connection positioning and clamping mechanism as claimed in claim 1, wherein the base is symmetrically provided with connecting shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241612.XA CN113001095B (en) | 2021-03-04 | 2021-03-04 | Positioning and clamping mechanism for connecting transmission shaft with duplex lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241612.XA CN113001095B (en) | 2021-03-04 | 2021-03-04 | Positioning and clamping mechanism for connecting transmission shaft with duplex lever |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113001095A true CN113001095A (en) | 2021-06-22 |
| CN113001095B CN113001095B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110241612.XA Active CN113001095B (en) | 2021-03-04 | 2021-03-04 | Positioning and clamping mechanism for connecting transmission shaft with duplex lever |
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| CN (1) | CN113001095B (en) |
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| Publication number | Publication date |
|---|---|
| CN113001095B (en) | 2023-07-04 |
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