CN211387909U - Quick tightening device and telescopic transmission device - Google Patents
Quick tightening device and telescopic transmission device Download PDFInfo
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- CN211387909U CN211387909U CN201922106985.7U CN201922106985U CN211387909U CN 211387909 U CN211387909 U CN 211387909U CN 201922106985 U CN201922106985 U CN 201922106985U CN 211387909 U CN211387909 U CN 211387909U
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Abstract
The utility model discloses a quick tightening device and a telescopic transmission device, wherein the quick tightening device comprises a female plug connector and a male plug connector, one end of the female plug connector is provided with two lug plates, and the other end of the female plug connector is provided with a long-strip-shaped U-shaped groove in the horizontal center; one end of the male plug connector is provided with two lug plates, the other end of the male plug connector is provided with a horizontal plug, one end of the male plug connector with the lug plates is provided with a counter bore, one end of the female plug connector with the lug plates is provided with a thread pair, and the middle part of the horizontal plug is provided with a round hole groove; the horizontal plug of the male plug connector is plugged into the long-strip-shaped U-shaped groove of the female plug connector, and the bolt penetrates through the countersunk head of the male plug connector and is connected to the thread pair of the female plug connector through the round hole groove of the male plug connector. The utility model provides a quick tightening means simple structure dismantles convenience, swift, can be used for the connection, the tensioning of various structures, is particularly suitable for various sharp connection or arc connection structure tensioning, and the usage is extensive, low cost.
Description
Technical Field
The utility model belongs to the technical field of tighten up anchor clamps, especially, relate to a quick tightening means and telescopic transmission.
Background
Various connecting structures can appear in production activities of people, all the connecting structures are finally required to be tensioned and fixed on equipment through a tensioning mechanism, and some quick tensioning devices in the market are too complex and heavy to meet market requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve among the prior art not enough of quick tightening means, provide a quick tightening means and telescopic transmission.
In order to achieve the purpose, the utility model adopts the technical scheme that the quick tightening device comprises a female plug connector and a male plug connector, wherein one end of the female plug connector is provided with two lug plates, and the other end of the female plug connector is provided with a long-strip-shaped U-shaped groove in the horizontal center; one end of the male plug connector is provided with two lug plates, the other end of the male plug connector is provided with a horizontal plug, one end of the male plug connector with the lug plates is provided with a counter bore, one end of the female plug connector with the lug plates is provided with a thread pair, and the middle part of the horizontal plug is provided with a round hole groove; the horizontal plug of the male plug connector is plugged into the long-strip-shaped U-shaped groove of the female plug connector, and the bolt penetrates through the countersunk head of the male plug connector and is connected to the thread pair of the female plug connector through the round hole groove of the male plug connector.
The quick tightening device is integrally arched, so that the bolt can be conveniently adjusted.
Preferably, the ear plate is provided with a mounting hole.
The utility model also provides a telescopic transmission for pipeline cutting, including sprocket case and small rail car chain, small rail car chain comprises a plurality of small rail car end to end is articulated, through the activity hinged joint between two adjacent small rail cars, and the activity hinge can 360 ︒ within ranges be adjusted wantonly, and the dolly of being convenient for is fixed on the work piece of various different appearances. The small rail car at the head end of the small rail car chain is connected with the small rail car at the tail end of the small rail car chain through a quick tightening device (the small rail cars at the head end and the tail end of the small rail car chain are respectively connected with lug plates of a male plug-in connector and a female plug-in connector), and the small rail car chain and the quick tightening device form an annular supporting structure; the outer side of the rail trolley chain is provided with a transmission chain, the top of each rail trolley is connected with the transmission chain through a thread pair, and the head end and the tail end of each transmission chain are respectively arranged on the rail trolleys at the head end and the tail end of the rail trolley chain; the chain wheel box comprises a base, a transmission frame II and a transmission frame I are respectively arranged above the left end and the right end of the base, a transmission shaft I and a transmission shaft II are respectively arranged in the transmission frame I and the transmission frame II, a large chain wheel I and a large chain wheel II are respectively arranged at the front ends of the transmission shaft I and the transmission shaft II, a small chain wheel I and a small chain wheel II are respectively arranged in the middle of the transmission shaft I and the transmission shaft II, and a chain wheel box chain is arranged between the small chain wheel I and the small chain wheel II; the rear end of the first transmission shaft is connected with the hydraulic motor. And a chain wheel tensioner is arranged on the second transmission frame and used for tensioning a chain of the chain wheel box.
And a chain wheel box outer cover is arranged on the outer side of the chain wheel box, and the small chain wheel I, the small chain wheel II, the chain wheel box chain and the chain wheel tensioner are all positioned in the chain wheel box outer cover. The rear side face of the sprocket box outer cover is hinged to the top of the sprocket box outer cover through a hinge (except the rear side face, other parts of the sprocket box outer cover are a closed whole body which is fixedly installed on the base), the bottom of the rear side face of the sprocket box is fixed on the base through a limiting pin, so that the limiting pin can be quickly pulled out when needed, and the rear side face of the sprocket box rotates upwards, so that the sprocket box outer cover is opened.
The outer side of the hydraulic motor is provided with a hydraulic motor protective cover which is fixed on the rear side surface of the chain wheel box outer cover, and the outer side of the rear side surface of the chain wheel box outer cover is provided with a handle.
The large chain wheel I and the large chain wheel II are both meshed with the transmission chain, and the two large chain wheels are driven by one hydraulic motor to synchronously rotate, so that the transmission is more stable, and the transmission requirement of the open-loop chain is met.
The quick tightening device comprises a female plug connector and a male plug connector, wherein the left end of the female plug connector is provided with two lug plates, and the right end of the female plug connector is provided with a long-strip-shaped U-shaped groove in the horizontal center; the right end of the male plug connector is provided with two lug plates, the left end of the male plug connector is provided with a horizontal plug, the right end of the male plug connector is provided with a counter bore, the left end of the female plug connector is provided with a thread pair, and the middle part of the horizontal plug is provided with a round hole groove; the horizontal plug of the male plug connector is plugged into the long-strip-shaped U-shaped groove of the female plug connector, and the bolt penetrates through the countersunk head of the male plug connector and is connected to the thread pair of the female plug connector through the round hole groove of the male plug connector. The quick tightening device is integrally arched, so that the bolt can be conveniently adjusted; the ear plate is provided with a mounting hole which can be easily connected and fixed on the fixing piece; through the cooperation of bolt and female joint screw thread pair, can be very convenient take-up to dismantle simple to operate.
The rail trolley comprises two trolley frames, two rail wheels are installed below the trolley frames, the two trolley frames are connected through two support rods, the tops of the two trolley frames are connected through a connecting block, and the connecting block is connected with a transmission chain through a thread pair.
The rail wheel comprises a steel wheel, a rolling bearing is arranged inside the steel wheel, an installation shaft is matched with the center of the rolling bearing, a stopping gasket is fixedly arranged on the installation shaft in an installing mode, and the stopping gasket is locked on the installation shaft through a round nut. The steel wheel is provided with an arc-shaped groove, so that the accurate positioning of the transmission rail is facilitated.
When the rapid tightening device is used, the rail trolleys are connected into a rail trolley chain whole body through the movable hinge, the transmission chain is fixed on the rail trolleys, the rail wheels of the rail trolleys are arranged on the guide rails on the surface of a workpiece, and the transmission chain is fixed on the workpiece through the tensioning of the rapid tightening device; two profiling tool rests are respectively fixed on two rail trolleys which are symmetrical about the center of a workpiece, so that the balance of stress in the movement process is ensured; and finally, pressing the first large chain wheel and the second large chain wheel of the chain wheel box on the transmission chain respectively to be meshed with the transmission chain. The chain case itself is fixed to the workpiece or frame by chains or other means. The synchronous rotation of two big sprockets of drive simultaneously by a hydraulic motor can be realized, and the transmission is more steady, has satisfied the transmission requirement of open-loop chain.
The utility model discloses the beneficial effect who produces is: the quick tightening device has the advantages of simple structure, convenient and quick disassembly, wide application and low cost, can be used for connection and tensioning of various structures, and is particularly suitable for tensioning of various linear connection or arc connection structures.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic view of the overall structure of a telescopic transmission;
FIG. 2 is an overall elevation view of the telescopic transmission;
FIG. 3 is a schematic view of the quick tightener;
FIG. 4 is a schematic cross-sectional view of the quick tightener taken along a vertical center;
FIG. 5 is a schematic view of the exterior of the sprocket housing;
FIG. 6 shows a top view of the sprocket cassette;
FIG. 7 is a schematic view showing an internal structure of a sprocket case;
FIG. 8 shows a side view of the interior of the sprocket housing;
FIG. 9 is a schematic structural view of the rail car;
FIG. 10 shows a top view of the rail car;
FIG. 11 shows a side view of the rail car;
fig. 12 is a partially enlarged view of fig. 11.
Reference numbers in the figures: 1, a profiling tool rest; 2, a small rail car; 3, a sprocket wheel box; 4, a quick tightening device; 5, a movable hinge; 6, a transmission chain; 2-1 supporting rod; 2-2 trolley frame; 2-3 rail wheels; 2-4 installing the shaft; 2-5 rolling bearings; 2-6 round nuts; 2-7 stopping back cushion pieces; 2-8 steel wheels; 2-9 connecting blocks; 3-101 large chain wheel I; 3-102 large chain wheel II; 3-2 sprocket tensioners; 3-3, a base; 3-401 a first transmission frame; 3-402 a second transmission frame; 3-5 hydraulic motors; 3-6 sprocket box chains; 3-701 small chain wheel I; 3-702 small chain wheel II; 3-8 sprocket box outer covers; 3-9 handles; 3-10 hydraulic motor outer covers; 3-11 of a limit pin; 3-12 hinge; 4-1 female plug-in connector; 4-2 male plug connectors; 4-3 bolts; 4-4 ear plates; 4-5U-shaped grooves; 4-6 horizontal plugs; 4-7 mounting holes.
Detailed Description
As shown in fig. 3-4, a quick tightening device comprises a female plug connector 1 and a male plug connector 2, wherein the left end of the female plug connector 1 is provided with two ear plates 4-4, and the right end of the female plug connector 4-1 is provided with a long-strip-shaped U-shaped groove 4-5 at the horizontal center; the right end of the male plug-in connector 4-2 is provided with two lug plates 4-4, the left end of the male plug-in connector 4-2 is provided with a horizontal plug 4-6, the right end of the male plug-in connector 4-2 is provided with a counter bore 4-8, the left end of the female plug-in connector 4-1 is provided with a thread pair, and the middle part of the horizontal plug 4-6 is provided with a round hole groove; a horizontal plug 4-6 of the male plug is plugged into a long-strip-shaped U-shaped groove 4-5 of the female plug, and a bolt 4-3 penetrates through a counter bore 4-8 of the male plug and is connected to a threaded pair of the female plug through a round hole groove of the male plug.
The quick tightening device of the embodiment is integrally arched, so that the bolts 4-3 can be conveniently adjusted; the ear plate is provided with mounting holes 4-7 which can be easily connected and fixed on the fixing piece; the bolt 4-3 is matched with the female plug connector thread pair for use, so that tensioning can be conveniently carried out, and the dismounting and the mounting are convenient.
The embodiment also provides a telescopic transmission device for pipeline cutting, as shown in fig. 1-12, the telescopic transmission device comprises a chain wheel box 3 and a rail trolley chain, the rail trolley chain is formed by hinging a plurality of rail trolleys 2 end to end, two adjacent rail trolleys 2 are connected through a movable hinge 5, and the movable hinge 5 can be adjusted freely within the range of 360 ︒, so that the trolleys can be conveniently fixed on workpieces with different shapes. The small rail car at the head end of the small rail car chain is connected with the small rail car at the tail end of the small rail car chain through the quick tightening device 4 (the small rail cars at the head end and the tail end of the small rail car chain are respectively connected with the lug plates of the male plug-in connector and the female plug-in connector), and the small rail car chain and the quick tightening device 4 form an annular supporting structure; the outer side of the rail trolley chain is provided with a transmission chain 6, the top of each rail trolley 2 is connected with the transmission chain 6 through a thread pair, and the head end and the tail end of each transmission chain 6 are respectively arranged on the rail trolleys 2 at the head end and the tail end of the rail trolley chain; the chain wheel box 3 comprises a base 3-3, a transmission frame II 3-402 and a transmission frame I3-401 are respectively arranged above the left end and the right end of the base 3-3, a transmission shaft I and a transmission shaft II are respectively arranged in the transmission frame I3-401 and the transmission frame II 3-402, a large chain wheel I3-101 and a large chain wheel II 3-102 are respectively arranged at the front ends of the transmission shaft I and the transmission shaft II, a small chain wheel I3-701 and a small chain wheel II 3-702 are respectively arranged in the middle of the transmission shaft I and the transmission shaft II, and a chain wheel box chain 3-6 is arranged between the small chain wheel I3-701 and the small chain wheel II 3-702; the rear end of the first transmission shaft is connected with a hydraulic motor 3-5. And a chain wheel tensioner 3-2 is arranged on the second transmission frame 3-402 and is used for tensioning a chain 3-6 of the chain wheel box.
The outer side of the chain wheel box 3 is provided with a chain wheel box outer cover 3-8, and the small chain wheel I3-701, the small chain wheel II 3-702, the chain wheel box chain 3-6 and the chain wheel tensioner 3-2 are all positioned in the chain wheel box outer cover 3-8. The rear side face of the sprocket box outer cover 3-8 is hinged with the top of the sprocket box outer cover 3-8 (except the rear side face, other parts of the sprocket box outer cover 3-8 are a closed whole fixedly arranged on the base 3-3) through hinges 3-12, the bottom of the rear side face of the sprocket box 3 is fixed on the base 3-3 through limiting pins 3-11, so that the limiting pins 3-11 can be quickly pulled off when needed, and the rear side face of the sprocket box 3 rotates upwards, so that the sprocket box outer cover 3-8 is opened.
The outer side of the hydraulic motor 3-5 is provided with a hydraulic motor shield 3-10, the hydraulic motor shield 3-10 is fixed on the rear side face of the chain wheel box outer cover 3-8, and the outer side of the rear side face of the chain wheel box outer cover 3-8 is provided with a handle 3-9.
The large chain wheels I3-101 and the large chain wheels II 3-102 are meshed with the transmission chain 6, and the two large chain wheels are driven by the hydraulic motor 3-5 to synchronously rotate, so that the transmission is more stable, and the transmission requirement of the open-loop chain is met.
The quick tightening device 4 comprises a female plug connector 4-1 and a male plug connector 4-2, the left end of the female plug connector 4-1 is provided with two lug plates 4-4, and the right end of the female plug connector 4-1 is provided with a long-strip-shaped U-shaped groove 4-5 in the horizontal center; the right end of the male plug-in connector 4-2 is provided with two lug plates 4-4, the left end of the male plug-in connector 4-2 is provided with a horizontal plug 4-6, the right end of the male plug-in connector 4-2 is provided with a counter bore 4-8, the left end of the female plug-in connector 4-1 is provided with a thread pair, and the middle part of the horizontal plug 4-6 is provided with a round hole groove; a horizontal plug 4-6 of the male plug is plugged into a long-strip-shaped U-shaped groove 4-5 of the female plug, and a bolt 4-3 penetrates through a counter bore 4-8 of the male plug and is connected to a threaded pair of the female plug through a round hole groove of the male plug. The quick tightening device 4 is arched as a whole, so that the bolt 4-3 can be conveniently adjusted; the ear plate is provided with mounting holes 4-7 which can be easily connected and fixed on the fixing piece; the bolt 4-3 is matched with the female plug connector thread pair for use, so that tensioning can be conveniently carried out, and the dismounting and the mounting are convenient.
The rail trolley 2 comprises two trolley frames 2-2, two rail wheels 2-3 are mounted below the trolley frames, the two trolley frames 2-2 are connected through two support rods 2-1, the tops of the two trolley frames 2-2 are connected through connecting blocks 2-9, and the connecting blocks 2-9 are connected with a transmission chain 6 through thread pairs.
The rail wheel comprises steel wheels 2-8, rolling bearings 2-5 are mounted inside the steel wheels 2-8, mounting shafts 2-4 are matched with the centers of the rolling bearings 2-5, retaining gaskets 2-7 are mounted and fixed on the mounting shafts 2-4, and the retaining gaskets 2-7 are locked on the mounting shafts 2-4 through round nuts 2-6. The steel wheels 2-8 are provided with arc-shaped grooves to facilitate accurate positioning of the transmission track.
When the rapid tightening device is used, the rail trolleys 2 are connected into a rail trolley chain whole body through the movable hinge 5, the transmission chain 6 is fixed on the rail trolleys, the rail wheels of the rail trolleys are arranged on the guide rails on the surface of a workpiece, and the transmission chain 6 is fixed on the workpiece through the tensioning of the rapid tightening device 4; two profiling tool rests 1 are respectively fixed on two rail trolleys 2 which are symmetrical about the center of a workpiece, so that the balance of stress in the movement process is ensured; and finally, pressing the large chain wheels I3-101 and the large chain wheels II 3-102 of the chain wheel box 3 on the transmission chain 6 respectively to be meshed with the transmission chain 6. The chain case 3 itself is fixed to the workpiece or the frame by a chain or other means. The synchronous rotation of two large chain wheels can be driven by one hydraulic motor 3-5, the transmission is more stable, and the transmission requirement of the open-loop chain is met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A quick tightening device, its characterized in that: the plug comprises a female plug connector and a male plug connector, wherein two lug plates are arranged at one end of the female plug connector, and a long-strip-shaped U-shaped groove is formed in the horizontal center of the other end of the female plug connector; one end of the male plug connector is provided with two lug plates, the other end of the male plug connector is provided with a horizontal plug, one end of the male plug connector with the lug plates is provided with a counter bore, one end of the female plug connector with the lug plates is provided with a thread pair, and the middle part of the horizontal plug is provided with a round hole groove; the horizontal plug of the male plug connector is plugged into the long-strip-shaped U-shaped groove of the female plug connector, and the bolt penetrates through the countersunk head of the male plug connector and is connected to the thread pair of the female plug connector through the round hole groove.
2. The quick fastening device of claim 1, further comprising: the whole quick tightening device is arched.
3. The quick fastening device of claim 1, further comprising: the ear plate is provided with a mounting hole.
4. A telescopic transmission characterized in that: the rapid tensioning device comprises a chain wheel box and a small rail car chain, wherein the small rail car chain is formed by hinging a plurality of small rail cars end to end, the small rail car at the head end of the small rail car chain is connected with the small rail car at the tail end through the rapid tensioning device as claimed in claim 1, and the small rail car chain and the rapid tensioning device form an annular supporting structure; the outer side of the rail trolley chain is provided with a transmission chain, the top of each rail trolley is connected with the transmission chain through a thread pair, and the head end and the tail end of each transmission chain are respectively arranged on the rail trolleys at the head end and the tail end of the rail trolley chain; the chain wheel box comprises a base, a transmission frame II and a transmission frame I are respectively arranged above the left end and the right end of the base, a transmission shaft I and a transmission shaft II are respectively arranged in the transmission frame I and the transmission frame II, a large chain wheel I and a large chain wheel II are respectively arranged at the front ends of the transmission shaft I and the transmission shaft II, a small chain wheel I and a small chain wheel II are respectively arranged in the middle of the transmission shaft I and the transmission shaft II, and a chain wheel box chain is arranged between the small chain wheel I and the small chain wheel II; the rear end of the first transmission shaft is connected with the hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106985.7U CN211387909U (en) | 2019-11-29 | 2019-11-29 | Quick tightening device and telescopic transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106985.7U CN211387909U (en) | 2019-11-29 | 2019-11-29 | Quick tightening device and telescopic transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN211387909U true CN211387909U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922106985.7U Active CN211387909U (en) | 2019-11-29 | 2019-11-29 | Quick tightening device and telescopic transmission device |
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| Country | Link |
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| CN (1) | CN211387909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757230A (en) * | 2019-11-29 | 2020-02-07 | 河南易沃克工业设备有限公司 | Telescopic transmission device |
-
2019
- 2019-11-29 CN CN201922106985.7U patent/CN211387909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757230A (en) * | 2019-11-29 | 2020-02-07 | 河南易沃克工业设备有限公司 | Telescopic transmission device |
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