CN113001095B - Positioning and clamping mechanism for connecting transmission shaft with duplex lever - Google Patents
Positioning and clamping mechanism for connecting transmission shaft with duplex lever Download PDFInfo
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- CN113001095B CN113001095B CN202110241612.XA CN202110241612A CN113001095B CN 113001095 B CN113001095 B CN 113001095B CN 202110241612 A CN202110241612 A CN 202110241612A CN 113001095 B CN113001095 B CN 113001095B
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- positioning
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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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Abstract
The invention discloses a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever, which comprises the following components: the base, the location backup pad sets 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 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 coincidence with two hinge holes on the duplex lever respectively of two locating levers, two locating levers can be dismantled with two hinge holes respectively and be connected, second fixed knot constructs, can dismantle with the locating lever and be connected, second fixed knot constructs can fix the duplex lever on the locating lever, this location clamping mechanism location is accurate, the reliability is strong, it is simple convenient to install, transmission shaft and duplex 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 with a transmission shaft connected with a duplex lever.
Background
The mechanical transverse opening and closing mechanism of the railway wagon is a four-bar mechanism (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, the transmission shaft is connected with the bottom doors through long and short connecting bars 103, and the long and short connecting bars 103 are connected with the bolt connecting bars 102 through bushings 104. The mechanism adopts the lever eccentric e to prevent the bottom door from being automatically opened in the operation process, when the mechanism rotates through the lever eccentric e=0 point, the bottom door or the bottom door and the weight action of goods are automatically opened, the lever eccentric e of the mechanism has a safety range value, the parallelism of two duplex levers connected on the same transmission shaft, the coaxiality of the connecting holes of the corresponding duplex levers 102 and the long and short connecting rods 103, the coaxiality of the transmission shaft 101 and the duplex levers 102 are important factors influencing the lever eccentric e, the parallelism of the two duplex levers connected on the same transmission shaft, the coaxiality of the corresponding duplex levers 102 and the connecting holes of the long and short connecting rods 103 and the coaxiality of the transmission shaft 101 and the duplex levers 102 are difficult to ensure, and therefore, a transmission shaft and duplex lever connecting and clamping mechanism needs to be designed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the positioning and clamping mechanism for connecting the transmission shaft and the duplex lever, which has the advantages of accurate positioning, high reliability, simple and convenient installation, high assembly efficiency of the transmission shaft and the duplex lever, and high practicability and economy.
In order to achieve the above object, the present invention provides a positioning and clamping mechanism for connecting a transmission shaft with a duplex 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 at two sides of the positioning support plate, the two positioning rods are parallel to each other, the axes of the two positioning rods are respectively coincident with the axes of the two hinge holes on the duplex lever, and the two positioning rods can be detachably connected with the two hinge holes respectively;
and the second fixing structure can fix the duplex lever on the positioning rod.
Optionally, the first fixing structure includes:
one end of the tipping cover plate is arranged on one side of the positioning groove and hinged with the positioning support plate, the other end of the tipping cover plate is arranged on the other side of the positioning groove and detachably connected with the positioning support plate, and the middle part of the tipping cover plate is bent upwards to form an inverted V shape;
the first threaded hole is arranged on the other side of the positioning groove;
the bolt is arranged at the other end of the tipping cover plate and is matched with the first threaded hole.
Optionally, the second fixing structure includes:
the second threaded holes are arranged at two ends of the positioning rod;
the positioning screw comprises a threaded portion, a polish rod portion and an end portion, and the threaded portion is in threaded fit with the second threaded hole.
Optionally, the locating lever pass through first mounting panel with the middle part of base is connected, the both ends of base are provided with the second mounting panel, the second mounting panel with be provided with the clearance between the locating lever.
Optionally, a third fixing structure is further included, the third fixing structure including:
the connecting sleeve is arranged in the second support plate in a penetrating manner, 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, the end of the positioning screw far away from the polish rod is provided with a countersink, the end of the clamping screw can be inserted into the countersink, and the other end of the clamping screw is provided with a rotating part.
Optionally, the one end upside of base is provided with the spindle nose baffle, offered the transmission shaft limiting hole on the spindle nose baffle, when the transmission shaft is placed in the constant head tank, the one end of transmission shaft can with the grafting cooperation of transmission shaft limiting hole.
Optionally, the positioning support plate is provided with a plurality of positioning support plates.
Optionally, the base is symmetrically provided with a connecting shaft.
The invention provides a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever, which has the beneficial effects that:
1. the positioning and clamping mechanism is accurate in positioning, high in reliability, simple and convenient to install, high in practicality and economical efficiency, and the assembly efficiency of the transmission shaft and the duplex lever is improved;
2. the fastening bolt of the positioning and clamping mechanism is adjustable and not detachable, so that the loss is prevented, and the positioning and clamping mechanism 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 welding of the duplex lever and the transmission shaft is facilitated.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a schematic structure of a conventional double lever.
Fig. 2 shows a schematic structural view of a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to an embodiment of the invention.
Fig. 3 shows a schematic structural view of a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to an embodiment of the invention.
Fig. 4 is a schematic structural view showing a first fixing structure of a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to an embodiment of the present invention.
Fig. 5 shows a schematic structural view of a second fixing structure of a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to an embodiment of the invention.
FIG. 6 illustrates a cross-sectional view A-A of FIG. 5 with a drive shaft coupled to a dual lever positioning and clamping mechanism in accordance with one embodiment of the present invention.
Fig. 7 is a schematic structural view showing a third fixing structure of the positioning and clamping mechanism for connecting the transmission shaft with the duplex lever according to an embodiment of the invention.
Reference numerals illustrate:
fig. 2 to 7 are diagrams of clamping mechanisms:
1. a base; 2. positioning a supporting plate; 3. a positioning rod; 4. a bolt; 5. turning over the cover plate; 6. a first threaded hole; 7, a second threaded hole; 8. a set screw; 9. a connection sleeve; 10. clamping a bolt; 11. shaft head baffle; 12. and a connecting shaft.
Fig. 1 is a drawing of a mechanical transverse opening and closing mechanism:
101. a transmission shaft; 102. a double lever; 103. a long and short connecting rod; 104. a bushing.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to 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 illustrates a schematic structural view of a drive shaft and duplex lever connection positioning and clamping mechanism according to one embodiment of the invention; fig. 3 shows a schematic structural view of a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to an embodiment of the invention.
As shown in fig. 2-3, a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever includes:
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 overlapped with the axes of the two hinge holes on the duplex lever 102, and the two positioning rods 3 can be detachably connected with the two hinge holes respectively;
and a second fixing structure capable of fixing the duplex lever 102 to the positioning rod 3.
Specifically, support fixed location backup pad 2, first fixed knot constructs and locating lever 3 through base 1, presss from both sides tight fixed transmission shaft 101 through location backup pad 2 and first fixed knot structure, fixes transmission shaft 101 in the constant head tank, and the constant head tank is the V-arrangement, fixes duplex lever 102 through locating lever 3 cooperation second fixed knot constructs, guarantees the axiality of transmission shaft 101 and duplex lever 102 and the axiality of duplex lever 102 hinge hole.
Further, the base 11 is formed by welding channel steel.
Fig. 4 is a schematic structural view showing a first fixing structure of a positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to an embodiment of the present invention.
As shown in fig. 4, in the present embodiment, the first fixing structure includes:
one end of the tipping cover plate 5 is arranged on one side of the positioning groove and hinged with the positioning support plate 2, the other end of the tipping cover plate 5 is arranged on the other side of the positioning groove and detachably connected with the positioning support plate 2, and the middle part of the tipping 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;
the bolt 4 is arranged at the other end of the tipping cover plate 5 and is matched with the first threaded hole 6.
Specifically, the transmission shaft is clamped through the positioning groove and the tipping cover plate 5, so that the transmission shaft 101 automatically searches for the center, and the connection of the positioning support plate 2 and the tipping cover plate 5 is fastened through the bolt 4 and the first threaded hole 6.
FIG. 5 illustrates a schematic structural view of a second fixed structure of a drive shaft and duplex lever connection positioning and clamping mechanism according to an embodiment of the present invention; FIG. 6 illustrates a cross-sectional view A-A of FIG. 5 with a drive shaft coupled to a dual lever positioning and clamping mechanism in accordance with one embodiment of the present invention.
As shown in fig. 5 to 6, in the present embodiment, the second fixing structure includes:
second screw holes 7 provided at both ends of the positioning rod 3;
the set screw 8 comprises a threaded portion, a polish rod portion and an end portion, and the threaded portion is in threaded engagement with the second threaded hole 7.
Specifically, the length of the polish rod part of the positioning screw 8 is consistent with the thickness of the duplex lever 102, the diameter of the polish 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 duplex levers 102 is ensured by installing and fixing the bushing 104 and the duplex lever 102 through the positioning screw 8.
Fig. 7 is a schematic structural view showing a third fixing structure of the positioning and clamping mechanism for connecting the transmission shaft with the duplex lever according to an embodiment of the invention.
As shown in fig. 7, in this embodiment, the positioning rod 3 is connected with the middle part of the base 1 through a first support plate, two ends of the base 1 are provided with a second support plate, and a gap is provided between the second support plate and the positioning rod 3.
Specifically, the base 1 fixes the positioning rod 3 through the first bracket plate.
In this embodiment, a third fixing structure is further included, and the third fixing structure includes:
the connecting sleeve 9 is arranged in the second support plate in a penetrating way, 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, the base 1 fixes the connecting sleeve 9 through the second intermediate plate, the connecting sleeve 9 is coaxial with the positioning rod 3 and the positioning screw 8, and the positioning screw 8 is driven to move through the clamping bolt 10, so that the bushing 104 is matched with the double lever 102, the parallelism of the double lever 102 is ensured, and the flatness is corrected when the double lever 102 is bent.
In this embodiment, a countersink is provided at one end of the end portion of the set screw 8 away from the polish rod portion, one end of the clamp bolt 10 can be inserted into the countersink, and a rotating portion is provided at the other end of the clamp bolt 10.
Specifically, the positioning screw 8 is driven by inserting the clamping bolt 10 into the countersunk hole.
In this embodiment, the upper side of one end of the base 1 is provided with a spindle nose baffle 11, and the spindle nose baffle 11 is provided with a transmission shaft limiting hole, and when the transmission shaft 101 is placed in the positioning groove, one end of the transmission shaft 101 can be in plug-in fit with the transmission shaft limiting hole.
Specifically, the axial position of the transmission shaft 101 is limited by the shaft head baffle 11, and the position of the transmission shaft is limited by the cooperation 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, the straightness of the transmission shaft 101 is guaranteed through the three positioning support plates 2, and bending deformation of the transmission shaft 101 in the connecting process of the double-link lever 102 is avoided.
In this embodiment, the base 1 is symmetrically provided with a connecting shaft 12.
Specifically, the connecting shaft 12 is welded vertically to the base 1, and the base 1 is rotated by connecting the connecting shaft 12 to the motor shaft.
When the positioning and clamping mechanism is used, taking assembly of the transmission shaft 101 and the duplex lever 102 as an example, firstly, the duplex lever 102 is sleeved at two ends of the transmission shaft 101, then the transmission shaft 101 is placed in a positioning groove of the positioning support plate 2, the axial length position is confirmed through the shaft head baffle 11, then the cover plate 5 is turned over to clamp the transmission shaft 101, the transmission shaft 101 automatically searches for the center, the positioning support plate 2 and the cover plate 5 are fastened through the bolt 4 and the first threaded hole 6, the transmission shaft 101 is clamped, the angle position of the duplex lever 102 is adjusted, the duplex lever 102 is fixed through the second fixing structure, then the bushing 104 is sleeved on the positioning screw 8, the positioning screw 8 is driven through the third fixing structure, the bushing 104 is conveniently installed in the hinge hole, the coaxiality of the connecting hole of the duplex lever 102 is ensured through the third fixing structure and the second fixing structure, then the coaxiality of the transmission shaft 101 and the duplex lever 102 is welded and fixed, the angle of the positioning and clamping mechanism is changed through connection of the connecting shaft 12 with a motor, and the welding of the transmission shaft 101 and the duplex lever 102 is conveniently completed.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or 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 various embodiments described.
Claims (5)
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 at two sides of the positioning support plate, the two positioning rods are parallel to each other, the axes of the two positioning rods are respectively coincident with the axes of the two hinge holes on the duplex lever, and the two positioning rods can be detachably connected with the two hinge holes respectively;
the second fixing structure can fix the duplex lever on the positioning rod;
the second fixing structure includes:
the second threaded holes are arranged at two ends of the positioning rod;
the positioning screw comprises a threaded part, a polish rod part and an end part, and the threaded part is in threaded fit with the second threaded hole;
the positioning rod is connected with the middle part of the base through a first support plate, second support plates are arranged at two ends of the base, and a gap is arranged between the second support plates and the positioning rod;
still include third fixed knot constructs, third fixed knot constructs includes:
the connecting sleeve is arranged in the second support plate in a penetrating manner, and a threaded through hole is formed in the connecting sleeve along the axial direction of the connecting sleeve;
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;
the end of the positioning screw is far away from one end of the polish rod part, a countersink is arranged at one end of the positioning screw, one end of the clamping screw can be inserted into the countersink, and a rotating part is arranged at the other end of the clamping screw.
2. The positioning and clamping mechanism for connecting a drive shaft to a dual lever as set forth in claim 1, wherein said first securing structure comprises:
one end of the tipping cover plate is arranged on one side of the positioning groove and hinged with the positioning support plate, the other end of the tipping cover plate is arranged on the other side of the positioning groove and detachably connected with the positioning support plate, and the middle part of the tipping cover plate is bent upwards to form an inverted V shape;
the first threaded hole is arranged on the other side of the positioning groove;
the bolt is arranged at the other end of the tipping cover plate and is matched with the first threaded hole.
3. The positioning and clamping mechanism for connecting a transmission shaft and a duplex lever according to claim 1, wherein a shaft head baffle is arranged on the upper side of one end of the base, a transmission shaft limiting hole is formed in the shaft head baffle, and when the transmission shaft is placed in the positioning groove, one end of the transmission shaft can be in plug-in fit with the transmission shaft limiting hole.
4. The positioning and clamping mechanism for connecting a transmission shaft to a duplex lever according to claim 1, wherein a plurality of positioning support plates are provided.
5. The positioning and clamping mechanism for connecting a transmission shaft with a duplex lever according to 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 CN113001095A (en) | 2021-06-22 |
| CN113001095B true CN113001095B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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