CN210680467U - Bolt-free forging type positioning wire clamp - Google Patents
Bolt-free forging type positioning wire clamp Download PDFInfo
- Publication number
- CN210680467U CN210680467U CN201921203471.7U CN201921203471U CN210680467U CN 210680467 U CN210680467 U CN 210680467U CN 201921203471 U CN201921203471 U CN 201921203471U CN 210680467 U CN210680467 U CN 210680467U
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- main
- auxiliary
- auxiliary clamping
- main clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A bolt-free forging type positioning wire clamp comprises a main clamping plate, an auxiliary clamping plate and a pin shaft, wherein the main clamping plate and the auxiliary clamping plate are of the same structure, and both comprise bodies; two lugs with through holes are respectively extended inwards from the middle part of the body, two inclined planes are respectively extended inwards from the upper parts of the front end and the rear end of the body, and a tooth-shaped angle matched with the contact line is arranged at the lower part of the inner side of the body; the main clamping plate and the auxiliary clamping plate are oppositely arranged, one end of the pin shaft is inserted into through holes of two lugs on the main clamping plate in an interference fit mode, the auxiliary clamping plate is sleeved at the other end of the pin shaft through the gap of the through holes of the two lugs on the auxiliary clamping plate, and the auxiliary clamping plate is attached to inclined planes at the upper portions of the front end and the rear end of the main clamping plate; and pushing the auxiliary clamping plate forwards into the main clamping plate along the pin shaft to enable the front end surface and the rear end surface of the main body to be parallel and level, and clamping the contact line through the tooth-shaped angle after the inclined surfaces are completely attached. The utility model discloses major-minor splint structure is the same completely, and the atress is the same, conveniently makes processing, practices thrift manufacturing cost, and the facilitate promotion is implemented.
Description
Technical Field
The utility model belongs to electronic railway contact net erects equipment, concretely relates to no bolt forges type positioning wire clamp.
Background
The positioning wire clamp is one of key parts in a contact net system of the electrified railway, and is usually matched with a positioner for connecting and fixing a contact wire. At present, the positioning wire clamp used in the contact network system of the electrified railway mainly has two categories: the first type is a bolt-type structure, and the second type is a bolt-free structure formed by casting. When the bolt type positioning wire clamp is installed on site, the influence of the operating level of personnel is large, and the fastening torque is large, so that the wire clamp body is easily damaged; the fastening torque is too small, and after long-term use, the bolt loosens, probably makes locator and positioning wire clamp break away from in anchor section joint department, has the potential safety hazard, also has shortcomings such as installation complicacy simultaneously. The cast and formed boltless positioning wire clamp is simple to install and use on site, but is formed by adopting a copper alloy casting mode, so that casting defects of easily-thick crystal grains, easily-generated internal air holes, shrinkage porosity and the like exist, the yield of products is low, flaw detection is required, and the production cost is high. And the existing cast and molded boltless positioning wire clamp cannot be produced by adopting a forging process due to the limitation of the structure and the working principle of the existing cast and molded boltless positioning wire clamp.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: a bolt-free forging-modeling positioning wire clamp is designed to overcome the defects of the prior art.
The technical solution of the utility model is as follows: a bolt-free forging type positioning wire clamp is composed of a main clamping plate, an auxiliary clamping plate and a pin shaft, wherein the main clamping plate and the auxiliary clamping plate are of the same structure; the main clamping plate and the auxiliary clamping plate respectively comprise a body, a boss is arranged in the middle of the upper end face of the body, and the inner side of the boss is arc-shaped; the middle part of the upper end of the inner side of the body is provided with an arc groove recessed below the boss; two lugs with through holes are respectively extended inwards from the middle part of the body, and the two lugs are respectively positioned at the front side and the rear side of the arc groove; the upper parts of the front end and the rear end of the body extend inwards to form two inclined planes which are inclined along the line direction and have consistent angles; the lower part of the inner side of the body is provided with a tooth form angle matched with the contact line;
the main clamping plate and the auxiliary clamping plate are oppositely arranged, one end of the pin shaft is inserted into through holes of two lugs on the main clamping plate in an interference fit mode, the auxiliary clamping plate is sleeved at the other end of the pin shaft through the gap of the through holes of the two lugs on the auxiliary clamping plate, and the auxiliary clamping plate is attached to inclined planes at the upper portions of the front end and the rear end of the main clamping plate;
the auxiliary clamping plate is pushed forwards into the main clamping plate along the pin shaft, so that the auxiliary clamping plate is flush with the front end surface and the rear end surface of the main clamping plate body, after the auxiliary clamping plate is completely attached to the inclined surfaces of the upper parts of the front end and the rear end of the main clamping plate, the centers of through holes of lugs on the main clamping plate and the auxiliary clamping plate are naturally and respectively located on two sides of the center of the contact line, and the contact line is clamped through tooth-shaped angles at the lower part of the inner side of the main; meanwhile, the inner sides of bosses arranged in the middle of the upper end faces of the main clamping plate and the auxiliary clamping plate body are enclosed to form a circular structure matched with the cylindrical rod of the locator pin, and the circular arc grooves arranged in the middle of the upper ends of the inner sides of the main clamping plate and the auxiliary clamping plate body are combined to form an annular groove matched with the annular boss at the end head of the locator pin.
The inclined plane is provided with a vertical semicircular groove, and after the auxiliary clamping plate is completely attached to the inclined plane on the upper parts of the front end and the rear end of the main clamping plate, a parallel pin is inserted in the vertical semicircular groove to limit the main clamping plate and the auxiliary clamping plate to slide axially along a contact line.
The bottom of the vertical semicircular groove is provided with a step for preventing the parallel pin from sliding off.
The main clamping plate and the auxiliary clamping plate are both formed by forging copper alloy.
Compared with the prior art, the utility model advantage and effect that have:
1. the utility model adopts the boltless structure, cancels the traditional bolt structure, reduces the occurrence of safety accidents caused by human misoperation, and improves the safety and reliability; meanwhile, the number of components is reduced, so that the installation steps are simplified, and the labor intensity of constructors is reduced.
2. The utility model discloses major-minor splint structure is the same completely, and the atress is the same, has avoided because the installation direction difference causes the emergence of the inhomogeneous phenomenon of atress, and the structure is the same also convenient manufacturing moreover, practices thrift manufacturing cost, and the facilitate promotion is implemented.
3. The utility model discloses main and auxiliary splint adopt the forging shaping, have replaced original casting shaping mode, have avoided because of the defect that the casting produced, have reduced manufacturing cost, simultaneously, have improved the fail safe nature that the product used.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural view of the main clamping plate and the auxiliary clamping plate of the present invention;
fig. 5 is a schematic structural view of the pin shaft of the present invention.
Detailed Description
An embodiment of the present invention will be described with reference to fig. 1-5.
A bolt-free forging type positioning wire clamp is composed of a main clamping plate 1, an auxiliary clamping plate 3 and a pin shaft 2, wherein the main clamping plate 1 and the auxiliary clamping plate 3 are identical in structure; the main clamping plate 1 and the auxiliary clamping plate 3 both comprise bodies 4, the middle part of the upper end surface of each body 4 is provided with a boss 4-1, and the inner side of each boss 4-1 is arc-shaped; the middle part of the upper end of the inner side of the body 4 is provided with an arc groove 4-2 which is recessed below the boss 4-1; two lugs 4-4 with through holes 4-3 extend inwards from the middle part of the body 4 respectively, and the two lugs 4-4 are positioned at the front side and the rear side of the arc groove 4-2 respectively; the upper parts of the front end and the rear end of the body 4 extend inwards to form two inclined planes 4-6 which are inclined along the line direction and have the same angle; the lower part of the inner side of the body 4 is provided with a tooth form angle 4-7 matched with the contact line 5;
the main clamping plate 1 and the auxiliary clamping plate 3 are oppositely arranged, one end of the pin shaft 2 is inserted into through holes 4-3 of two lugs 4-4 on the main clamping plate 1 in an interference fit manner, the auxiliary clamping plate 3 is sleeved at the other end of the pin shaft 2 through a gap between the through holes 4-3 of the two lugs 4-4 on the auxiliary clamping plate, and the auxiliary clamping plate 3 is attached to inclined planes 4-6 at the upper parts of the front end and the rear end of the main clamping plate 1;
the auxiliary clamping plate 3 is pushed into the main clamping plate 1 forwards along the pin shaft 2, so that the auxiliary clamping plate 3 is flush with the front end face and the rear end face of the body 4 of the main clamping plate 1, after the auxiliary clamping plate 3 is completely attached to the inclined planes 4-6 at the upper parts of the front end and the rear end of the main clamping plate 1, the centers of the through holes 4-3 of the lugs 4-4 on the main clamping plate 1 and the auxiliary clamping plate 3 are naturally and respectively positioned at two sides of the center of the contact line 5, and the contact line 5 is clamped through the tooth-shaped angles 4-7 at the lower parts of the inner sides of the; meanwhile, the inner sides of bosses 4-1 arranged in the middle of the upper end faces of the main body 4 of the main clamping plate 1 and the auxiliary clamping plate 3 are enclosed to form a circular structure 7 matched with a cylindrical rod of the locator pin 6, and arc grooves 4-2 arranged in the middle of the upper ends of the inner sides of the main body 4 of the main clamping plate 1 and the auxiliary clamping plate 3 are combined to form an annular groove 8 matched with an annular boss at the end of the locator pin 6.
The inclined planes 4-6 are provided with vertical semi-circular grooves 4-5, and after the auxiliary clamp plate 3 is completely attached to the inclined planes 4-6 at the upper parts of the front end and the rear end of the main clamp plate 1, parallel pins 9 are inserted into the vertical semi-circular grooves 4-5 to limit the main clamp plate 1 and the auxiliary clamp plate 3 to axially slide along the contact lines 5.
The bottom of the vertical semicircular groove 4-5 is provided with a step 4-5-1 for preventing the parallel pin 9 from sliding off.
The main clamping plate 1 and the auxiliary clamping plate 3 are both formed by forging copper alloy.
The utility model discloses main splint 1 and auxiliary splint 3 are under the effect of two sets of inclined planes 4-6 in upper portion, are eccentric structure through two centers of rotation that round pin axle 2 formed at the middle part and contact wire 5 center, guarantee that two fastener bodies 4 inboard lower parts tooth type angle 4-7 press from both sides tight contact wire 5.
The installation and use method comprises the following steps: firstly, respectively riveting one end of two pin shafts 2 into through holes 4-3 of two lugs 4-4 on a main clamping plate 1, placing tooth form angles 4-7 of the main clamping plate 1 in a matching way with a contact line 5, and placing an annular boss at the end of a locator pin 6 in an arc groove 4-2 formed in the middle of the upper end of the inner side of a body 4; then, after the tooth form angle 4-7 of the auxiliary splint 3 is matched with the contact line 5, the auxiliary splint 3 is sleeved at the other end of the pin shaft 2 through the gap of the through holes 4-3 of the two lugs 4-4 on the auxiliary splint along the axial direction of the contact line 5.
The auxiliary clamping plate 3 is pushed forwards into the main clamping plate 1 along the pin shaft 2, along with the forward pushing of the auxiliary clamping plate 3 along the pin shaft 2, extrusion is generated between the auxiliary clamping plate 3 and the inclined planes 4-6 at the upper parts of the front end and the rear end of the main clamping plate 1, the main clamping plate 1 and the auxiliary clamping plate 3 respectively rotate outwards around the two rotating centers to form a lever structure, and then the clamping force of the tooth-shaped angles 4-7 at the lower parts of the inner sides of the main clamping plate 1 and the auxiliary clamping plate 3 on the contact line 5 is increased; when the auxiliary clamping plate 3 is flush with the front end face and the rear end face of the main body 4 of the main clamping plate 1, and the auxiliary clamping plate 3 is completely attached to the inclined planes 4-6 at the upper parts of the front end and the rear end of the main clamping plate 1, the tooth-shaped angles 4-7 at the lower parts of the inner sides of the two main bodies 4 are clamped and fixedly connected with the contact line 5; a circular structure 7 formed by enclosing the inner sides of bosses 4-1 arranged in the middle parts of the upper end surfaces of the two bodies 4 limits the cylindrical rod of the locator pin 6, and an annular groove 8 formed by combining arc grooves 4-2 arranged in the middle parts of the upper ends of the inner sides of the two bodies 4 limits the annular boss at the end of the locator pin 6 at the upper ends of the inner sides of the two bodies 4; and a parallel pin 9 for preventing the body 4 from axially sliding along the contact line 5 penetrates into two circular grooves formed by the two pairs of vertical semicircular grooves 4-5, and finally the installation can be finished by suspending the lower part of a positioner connected to a circuit through a positioner pin 6.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a no bolt forges type positioning wire clamp which characterized by: the wire clamp is composed of a main clamping plate (1), an auxiliary clamping plate (3) and a pin shaft (2) which are the same in structure; the main clamping plate (1) and the auxiliary clamping plate (3) both comprise bodies (4), the middle of the upper end face of each body (4) is provided with a boss (4-1), and the inner side of each boss (4-1) is arc-shaped; the middle part of the upper end of the inner side of the body (4) is provided with an arc groove (4-2) which is recessed below the boss (4-1); two lugs (4-4) with through holes (4-3) respectively extend to the inner side of the middle part of the body (4), and the two lugs (4-4) are respectively positioned at the front side and the rear side of the arc groove (4-2); the upper parts of the front end and the rear end of the body (4) extend inwards to form two inclined planes (4-6) which are inclined along the line direction and have the same angle; the lower part of the inner side of the body (4) is provided with a tooth form angle (4-7) matched with the contact line (5);
the main clamping plate (1) and the auxiliary clamping plate (3) are arranged oppositely, one end of the pin shaft (2) is inserted into through holes (4-3) of two lugs (4-4) on the main clamping plate (1) in an interference fit mode, the auxiliary clamping plate (3) is sleeved at the other end of the pin shaft (2) through the gaps of the through holes (4-3) of the two lugs (4-4) on the auxiliary clamping plate, and the auxiliary clamping plate (3) is attached to inclined planes (4-6) on the upper portions of the front end and the rear end of the main clamping plate (1);
the method comprises the following steps that an auxiliary clamping plate (3) is pushed forwards into a main clamping plate (1) along a pin shaft (2), so that the auxiliary clamping plate (3) is flush with the front end face and the rear end face of a body (4) of the main clamping plate (1), after the auxiliary clamping plate (3) is completely attached to inclined planes (4-6) at the upper parts of the front end and the rear end of the main clamping plate (1), the centers of through holes (4-3) of lugs (4-4) on the main clamping plate (1) and the auxiliary clamping plate (3) are naturally and respectively located on two sides of the center of a contact line (5), and the contact line (5) is clamped through tooth-shaped angles (4-7) at the lower part of the inner side of the body (4; meanwhile, the inner sides of bosses (4-1) arranged in the middle of the upper end faces of the main plate body (4) and the auxiliary plate body (3) are enclosed to form a circular structure (7) matched with the cylindrical rod of the locator pin (6), and the circular arc grooves (4-2) arranged in the middle of the upper ends of the inner sides of the main plate body (4) and the auxiliary plate body (3) are combined to form an annular groove (8) matched with the annular boss at the end of the locator pin (6).
2. The boltless forging type positioning clamp according to claim 1, characterized in that: the novel clamping device is characterized in that vertical semicircular grooves (4-5) are formed in the inclined surfaces (4-6), after the auxiliary clamping plate (3) is completely attached to the inclined surfaces (4-6) at the upper parts of the front end and the rear end of the main clamping plate (1), parallel pins (9) are inserted into the vertical semicircular grooves (4-5), and the main clamping plate (1) and the auxiliary clamping plate (3) are limited to axially slide along the contact line (5).
3. The boltless forging type positioning clamp according to claim 2, characterized in that: the bottom of the vertical semicircular groove (4-5) is provided with a step (4-5-1) for preventing the parallel pin (9) from sliding off.
4. The boltless forged positioning clamp of claim 1, 2 or 3, wherein: the main clamping plate (1) and the auxiliary clamping plate (3) are both formed by forging copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203471.7U CN210680467U (en) | 2019-07-29 | 2019-07-29 | Bolt-free forging type positioning wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203471.7U CN210680467U (en) | 2019-07-29 | 2019-07-29 | Bolt-free forging type positioning wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210680467U true CN210680467U (en) | 2020-06-05 |
Family
ID=70890536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921203471.7U Active CN210680467U (en) | 2019-07-29 | 2019-07-29 | Bolt-free forging type positioning wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210680467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281818A (en) * | 2019-07-29 | 2019-09-27 | 中国铁路总公司 | Non-bolt forging type registration clamp |
-
2019
- 2019-07-29 CN CN201921203471.7U patent/CN210680467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281818A (en) * | 2019-07-29 | 2019-09-27 | 中国铁路总公司 | Non-bolt forging type registration clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210680467U (en) | Bolt-free forging type positioning wire clamp | |
| CN210680465U (en) | Non-bolt forging type integral dropper | |
| CN209833420U (en) | Forging double-lug wedge-shaped wire clamp | |
| CN202228433U (en) | Hydraulic impeller loading/unloading tool used for locomotive fan | |
| CN104332337A (en) | Scissors type high-voltage isolating switch assembling tool | |
| CN107283185A (en) | A kind of gearbox part self-centering fixture | |
| CN110281818A (en) | Non-bolt forging type registration clamp | |
| CN203945096U (en) | Self-aligning split fluid pressure type bearing thruster | |
| CN103193153B (en) | Barrel transformation preventing vertical lifting device | |
| CN104486920B (en) | Pin joint latch hook quick-release component | |
| CN106141513A (en) | Multi-work piece assembly welding positioner and assembly welding method | |
| CN215431363U (en) | Inlaid seamless roll forging die | |
| CN106314752A (en) | Connecting assembly of main force-bearing component | |
| CN206811372U (en) | The switching mechanism of aluminum alloy pattern plate welder | |
| CN211136378U (en) | Freight train tail frame is to hole machining frock | |
| CN203528480U (en) | Welding assembly type rope clip capable of being taken down and hung | |
| CN204921941U (en) | Components of a whole that can function independently high strength planet carrier | |
| CN206336286U (en) | A kind of anti-band brake apparatus of electric locomotive | |
| CN105458991A (en) | Non-destructive disassembling tool for connecting bolt of steam turbine rotor coupler | |
| CN211504634U (en) | Multifunctional universal joint moment detection device | |
| CN106740276A (en) | A kind of inclined cantilever positioning vertical column | |
| CN209872103U (en) | Marine diesel engine cylinder cap hoist of can leveling | |
| CN203567715U (en) | High-intensity brake bottom plate rear axle housing | |
| CN104015881A (en) | Symmetrical H-shaped connecting shackle with lifting lugs | |
| CN217044493U (en) | Middle big mud core assembling device for medium and large-sized opening machine base |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |