CN214557126U - Transmission line armful of pole rivet dismouting auxiliary device - Google Patents
Transmission line armful of pole rivet dismouting auxiliary device Download PDFInfo
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- CN214557126U CN214557126U CN202120432203.3U CN202120432203U CN214557126U CN 214557126 U CN214557126 U CN 214557126U CN 202120432203 U CN202120432203 U CN 202120432203U CN 214557126 U CN214557126 U CN 214557126U
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Abstract
The utility model discloses a pole rivet dismouting auxiliary device is embraced to transmission line relates to power maintenance equipment technical field. The device includes the die carrier, the die carrier include connecting portion, last mould installation department and lower mould installation department, just connecting portion, last mould installation department and lower mould installation department have formed U type structure jointly. The mould installation department on be provided with drive cylinder, drive cylinder's cylinder body with last mould installation department fixed connection, be provided with mould pressing die on drive cylinder's the piston rod. The lower die mounting part on be provided with the blanking hole, the blanking hole on be provided with the detachable backing plate, last mould pressing die include pressure head and drift, and can select to change as required. The device not only can be used for the installation of rivet, can also assist the dismantlement of carrying out the rivet, reduces the number of times of beating when dismantling, reduces intensity of labour, improves work efficiency, can also guarantee the reliability of technology simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the power maintenance equipment technique and specifically relates to a pole rivet dismouting auxiliary device is embraced to transmission line.
Background
The internal suspension aluminum alloy holding pole has the advantages of light weight, convenient transportation, safety, reliability and the like, is widely applied to the erection of the iron tower of the overhead transmission line, and is an important tool for power transmission and transformation construction. But the aluminum alloy holding pole has obvious defects, the aluminum alloy holding pole is generally connected by aluminum alloy rivets, and the end parts of the rivets are deformed in the traditional installation mode of the aluminum alloy rivets by manually beating and knocking, so that riveting installation is realized. The method comprises the following steps of firstly enabling a rivet to penetrate through a through hole from bottom to top, enabling a mushroom head of the rivet to be located below the rivet, then padding an upper die and a lower die below the rivet, placing the upper die at the upper end of the rivet, and then knocking the upper die until the upper end of the rivet deforms to be in a mushroom head shape. The installation mode has the defects of large workload of operators, high noise, poor process and the like.
In addition, the aluminum alloy rivet of holding pole is excessive wearing and tearing appear easily in use and transportation, and when the rivet head standard value worn out to original more than 30%, just need tear the aluminum alloy rivet that damages off, change new rivet. The traditional rivet removing mode adopts manual beating knocking mode, namely the head of the upper end of the rivet is cut and taken out in a mode that an existing chisel is matched with the beating knocking mode, then the shearing surface of the rivet is propped against by an ejector rod, and the rivet is vertically hammered, so that the rivet is removed, the labor intensity is high, and the problem of high noise exists.
SUMMERY OF THE UTILITY MODEL
In order to the problem, the utility model provides a pole rivet dismouting auxiliary device is embraced to transmission line, the device not only can be used for the installation of rivet, can also assist the dismantlement that carries out the rivet, reduces the number of times of beating when dismantling, reduces intensity of labour, improves work efficiency, can also guarantee the reliability of technology simultaneously.
The utility model provides a technical scheme that its technical problem adopted is:
an auxiliary device for disassembling and assembling a holding pole rivet of a power transmission line comprises a die frame, wherein the die frame comprises a connecting part, an upper die mounting part and a lower die mounting part, and the connecting part, the upper die mounting part and the lower die mounting part form a U-shaped structure together;
the upper die mounting part is provided with a driving oil cylinder, the cylinder body of the driving oil cylinder is fixedly connected with the upper die mounting part, and the piston rod of the driving oil cylinder is provided with an upper die pressing die;
the lower die mounting part is provided with a blanking hole.
Further, last mould pressing die be the pressure head, just be provided with mould depressed part on the downside of pressure head, the blanking downthehole locking post that is provided with, the fixed backing plate that is provided with in upper end of locking post, just the backing plate compress tightly on the lower mould installation department under lock nut's locking effect.
Further, the upper side of the backing plate is provided with a lower die concave part.
Furthermore, the pressure head is fixedly connected with the piston rod through a set screw.
Further, the upper die pressing die is a punch, the punch comprises a punch seat, and a punch rod is arranged on the lower end face of the punch seat.
Furthermore, the punch seat is fixedly connected with the piston rod through a set screw.
Further, the upper die mounting part is fixedly connected with the side face of the driving oil cylinder.
Further, the cylinder body include threaded connection last cylinder body and lower cylinder body as an organic whole, lower cylinder body with last mould installation department fixed connection.
Furthermore, the driving oil cylinder adopts a spring return type single-action oil cylinder.
Furthermore, an oil port is formed in the upper end face of the cylinder body, a hinged pipe joint is arranged on the oil port, one end of the hinged pipe joint is connected with the oil port in a sealing mode, and a hard pipe is fixedly arranged at the other end of the hinged pipe joint.
The utility model has the advantages that:
1. the device realizes the riveting installation of aluminum alloy rivet through the extruded mode of hydraulic drive pressure head, not only can effectively reduce intensity of labour, can also effectual improvement work efficiency.
2. The device has changed the mounting means that traditional artifical beating was strikeed, has not only reduced the noise, for the mounting means that traditional beating was strikeed, can guarantee the reliability of technology moreover, guarantees that each rivet all extrudees the installation and targets in place.
3. The device can be used not only for installing the aluminum alloy rivets, but also for disassembling the sheared rivets (the heads of the rivets are sheared by a chisel).
4. The device's mode conversion is simple, converts into dismantlement mode by installation mode, only need change the pressure head for the drift to with the backing plate dismantle get off can, otherwise with the same reason, convenient and practical, easy operation.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a left side view of the present invention;
FIG. 4 is a sectional view A-A of FIG. 3;
FIG. 5 is an enlarged schematic view of portion B of FIG. 4;
FIG. 6 is an enlarged schematic view of a portion C of FIG. 4;
FIG. 7 is a schematic perspective view of a rod end of a piston rod of the driving cylinder;
FIG. 8 is a schematic perspective view of the indenter;
FIG. 9 is a perspective view of the backing plate;
FIG. 10 is a perspective view of the punch;
FIG. 11 is a schematic structural view in a disassembled mode;
fig. 12 is a schematic structural diagram of the third embodiment.
In the figure: 1-die carrier, 11-connecting part, 12-upper die mounting part, 13-lower die mounting part, 131-blanking hole, 2-driving oil cylinder, 211-upper cylinder body, 2111-oil port, 212-lower cylinder body, 221-piston rod, 2211-plug column, 222-piston, 23-spring, 24-hinged pipe joint, 3-pressure head, 31-upper die recess, 4-backing plate, 41-lower die recess, 42-locking column, 43-locking nut, 5-punch, 51-punch seat, 52-punch rod, 6-set screw and 7-hard pipe.
Detailed Description
For convenience of description, a coordinate system is defined as shown in fig. 1, and the left-right direction is taken as a transverse direction, the front-back direction is taken as a longitudinal direction, and the up-down direction is taken as a vertical direction.
Example one
As shown in fig. 1 and 3, the auxiliary device for dismounting and mounting the holding pole rivet of the power transmission line comprises a die carrier 1, a driving oil cylinder 2 and an upper die pressing die.
The die carrier 1 include connecting portion 11, the upper and lower both ends of connecting portion 11 are provided with mould installation department 12 and lower mould installation department 13 respectively, connecting portion 11, last mould installation department 12 and lower mould installation department 13 formed the U type structure of opening towards the front side jointly.
The cylinder body of the driving oil cylinder 2 is fixedly connected with the upper die mounting part 12.
As shown in fig. 4, the lower mold mounting portion 13 is provided with a blanking hole 131 coaxially arranged with the driving cylinder 2, the blanking hole 131 is provided with a locking column 42, the upper end of the locking column 42 is fixedly provided with a backing plate 4, and the backing plate 4 is fixedly connected with the locking column 42 in a welding manner. Preferably, the backing plate 4 is circular. The lower extreme of locking post 42 is provided with lock nut 43, just backing plate 4 compress tightly under the locking effect of lock nut 43 on the medial surface of lower mould installation department 13 (the relative one side of last mould installation department 12 and lower mould installation department 13 is the inboard). Locking post 42 from last first shaft segment and the second shaft segment that down includes the diameter in proper order and reduces in proper order, the second shaft segment on be provided with lock nut 43 matched with external screw thread.
The upper die pressing die comprises a pressing head 3 and a punching head 5.
As shown in fig. 5, an upper die recess 31 for receiving a head of the rivet is formed in a lower end surface of the ram 3, and the upper die recess 31 has a mushroom head shape corresponding to a shape of the head of the rivet. As shown in fig. 6, a lower mold recess 41 is provided on an upper side surface of the pad 4 to be engaged with the upper mold recess 31, and preferably, the lower mold recess 41 has a mushroom shape.
As shown in fig. 10, the punch 5 includes a punch holder 51, and a punch rod 52 is disposed on a lower end surface of the punch holder 51.
As a specific embodiment, as shown in fig. 7, 8 and 10, the rod end of the piston rod 221 is provided with an insertion column 2211, the press head 3 and the punch holder 51 are both provided with insertion holes matched with the insertion column 2211, and the press head 3 and the punch holder 51 are both provided with a set screw 6 for tightly pushing against the insertion column 2211.
Further, as shown in fig. 7, two flat openings are symmetrically disposed on the insertion column 2211.
When the rivet is to be installed, first, the insertion post 2211 is inserted into the insertion hole of the ram, and the set screw on the ram is tightened, and then the backing plate 4 is installed on the lower die installation part 13. And then placing the rivet in the through hole of the frame body to be fixed, and enabling the head of the rivet to face upwards. The ram 3 is then pressed against the head of the rivet and the head of the rivet is located in the upper die recess 31. Then, the driving oil cylinder 2 is started, and the state that the pressure head 3 is always pressed against the rivet head is kept in the process. Under the reverse action, the die carrier 1 moves upwards along with the driving cylinder 2 until the lower die recess 41 on the lower die mounting part 13 contacts with the lower end of the rivet. At this time, the driving cylinder 2 continues to operate, the lower end of the rivet deforms under the pressure of the driving cylinder 2 until the lower end of the rivet is squeezed into a mushroom head shape matched with the lower die recess 41, and the driving cylinder 2 stops operating, which indicates that the riveting is completed. Then the oil cylinder 2 is driven to release pressure, and the device is taken down.
When the rivet is removed, as shown in fig. 11, first, the ram 3 on the piston rod 221 is replaced with the punch 5, and the backing plate is removed, and the installation method of the punch is the same as that of the ram, which is not described again. The head of the upper end of the rivet is then sheared off, the punch stem 52 of the punch 5 is pressed against the sheared face of the rivet to be removed, and the punch stem 52 is held coaxial with the rivet to be removed. And starting the driving oil cylinder 2, and moving the die carrier 1 upwards under the action of the driving oil cylinder 2 until the inner side surface of the lower die mounting part 13 of the die carrier 1 is tightly propped against the frame body of the rivet to be removed. At this time, the driving cylinder 2 continues to operate, and the punch rod 52 ejects the rivet from the frame body and drops through the blanking hole 131 of the lower die mounting portion 13.
The device not only can be used for the installation of rivet, can also assist the dismantlement of carrying out the rivet, and the mode conversion is simple, convenient operation, and the practicality is good.
Further, as shown in fig. 3, the upper die mounting portion 12 is fixedly connected to a side surface of the cylinder body of the driving cylinder 2. The design aims at reducing the volume of the whole installation device and facilitating the use.
As a specific implementation manner, in the present embodiment, the cylinder body of the driving cylinder 2 includes two parts, namely an upper cylinder body 211 and a lower cylinder body 212, wherein the lower cylinder body 212 is fixedly connected to the mold frame 1 by welding or integral casting, and the upper cylinder body 211 is fixedly connected to the lower cylinder body 212 in a sealing manner by screwing. The design aims at facilitating future maintenance and repair.
Further, as shown in fig. 4, the driving cylinder 2 adopts a spring 23 return type single-acting cylinder, that is, the extension of the piston rod 221 is driven by hydraulic pressure, and the retraction of the piston rod 221 is driven by the elastic restoring force of the spring 23. As a specific embodiment, as shown in fig. 4, the piston rod 221 is sleeved with a spring 23, one end of the spring 23 abuts against the lower cylinder 212, and the other end of the spring 23 abuts against the piston 222. The purpose of the design is to reduce the complexity of the pipeline, and the driving oil cylinder 2 mainly needs a pipeline to be communicated with the rodless cavity of the driving oil cylinder 2, so that the use is more convenient.
Further, as shown in fig. 1 and 11, an oil port 2111 is disposed on an upper end surface of the upper cylinder block 211, a hinged pipe joint 24 is disposed on the oil port 2111, one end (i.e., a bolt) of the hinged pipe joint 24 is hermetically connected with the oil port 2111 in a threaded connection manner, and the other end (i.e., a joint body) of the hinged pipe joint 24 is fixedly provided with a hard pipe 7 in a welding manner. The purpose of this setting is that, when using, can directly hold the post hard tube 7 and operate, it is more convenient to use.
Example two
An oil port 2111 communicated with the rodless cavity is formed in the upper end of the side face of the upper cylinder body 211, a hard tube 7 is fixedly arranged on the oil port 2111 in a welding mode, and the hard tube 7 is perpendicular to the axis of the upper cylinder body 211. The rest of the structure is the same as the first embodiment.
EXAMPLE III
The upper die is characterized in that a groove with a circular section is formed in the upper side face of the upper die mounting portion 12, internal threads are formed in the side face of the groove, external threads matched with the internal threads are formed in the lower end of the cylinder body of the driving oil cylinder 2, and the lower end of the cylinder body of the driving oil cylinder 2 is fixedly connected with the upper die mounting portion 12 in a threaded connection mode. The bottom surface of the groove (the surface vertical to the rotation axis of the groove is used as the bottom surface) is provided with a guide hole which penetrates through the upper die mounting part 12 along the vertical direction, and the guide hole is matched with the piston rod 221 of the driving oil cylinder 2 to guide the piston rod 221. The rest of the structure is the same as the first embodiment.
Claims (10)
1. The utility model provides a transmission line armful of pole rivet dismouting auxiliary device which characterized in that: the die frame comprises a connecting part, an upper die mounting part and a lower die mounting part, wherein the connecting part, the upper die mounting part and the lower die mounting part form a U-shaped structure together;
the upper die mounting part is provided with a driving oil cylinder, the cylinder body of the driving oil cylinder is fixedly connected with the upper die mounting part, and the piston rod of the driving oil cylinder is provided with an upper die pressing die;
the lower die mounting part is provided with a blanking hole.
2. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 1, characterized in that: the last mould pressing die be the pressure head, just be provided with mould depressed part on the downside of pressure head, the blanking downthehole locking post that is provided with, the fixed backing plate that is provided with in upper end of locking post, just the backing plate compress tightly on the lower mould installation department under lock nut's locking effect.
3. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 2, characterized in that: the upper side of the base plate is provided with a lower die sunken part.
4. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 2, characterized in that: the pressure head is fixedly connected with the piston rod through a set screw.
5. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 1, characterized in that: the upper die pressing die is a punch, the punch comprises a punch seat, and a punch rod is arranged on the lower end face of the punch seat.
6. The auxiliary device for dismounting/mounting a pole holding rivet of a power transmission line according to claim 5, characterized in that: the punch seat is fixedly connected with the piston rod through a set screw.
7. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 1, characterized in that: the upper die mounting part is fixedly connected with the side surface of the driving oil cylinder.
8. The auxiliary device for dismounting/mounting a pole holding rivet of a power transmission line according to claim 7, characterized in that: the cylinder body include threaded connection last cylinder body as an organic whole and lower cylinder body, lower cylinder body with last mould installation department fixed connection.
9. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 1, characterized in that: the driving oil cylinder adopts a spring return type single-action oil cylinder.
10. The auxiliary device for dismounting/mounting the holding pole rivet of the power transmission line according to claim 1, characterized in that: the hydraulic cylinder is characterized in that an oil port is formed in the upper end face of the cylinder body, an articulated pipe joint is arranged on the oil port, one end of the articulated pipe joint is connected with the oil port in a sealing mode, and a hard pipe is fixedly arranged at the other end of the articulated pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432203.3U CN214557126U (en) | 2021-02-26 | 2021-02-26 | Transmission line armful of pole rivet dismouting auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432203.3U CN214557126U (en) | 2021-02-26 | 2021-02-26 | Transmission line armful of pole rivet dismouting auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214557126U true CN214557126U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120432203.3U Active CN214557126U (en) | 2021-02-26 | 2021-02-26 | Transmission line armful of pole rivet dismouting auxiliary device |
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| CN (1) | CN214557126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505425A (en) * | 2022-03-18 | 2022-05-17 | 眉山中车紧固件科技有限公司 | Reinforcing steel bar riveting system |
| CN114643330A (en) * | 2022-03-18 | 2022-06-21 | 眉山中车紧固件科技有限公司 | Reinforcing steel bar rivet withdrawing system |
-
2021
- 2021-02-26 CN CN202120432203.3U patent/CN214557126U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505425A (en) * | 2022-03-18 | 2022-05-17 | 眉山中车紧固件科技有限公司 | Reinforcing steel bar riveting system |
| CN114643330A (en) * | 2022-03-18 | 2022-06-21 | 眉山中车紧固件科技有限公司 | Reinforcing steel bar rivet withdrawing system |
| CN114505425B (en) * | 2022-03-18 | 2024-02-09 | 眉山中车紧固件科技有限公司 | Steel bar riveting system |
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