CN219314337U - Adjustable aerial pin pulling device - Google Patents
Adjustable aerial pin pulling device Download PDFInfo
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- CN219314337U CN219314337U CN202320865300.0U CN202320865300U CN219314337U CN 219314337 U CN219314337 U CN 219314337U CN 202320865300 U CN202320865300 U CN 202320865300U CN 219314337 U CN219314337 U CN 219314337U
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Abstract
The utility model discloses an adjustable aerial pin pulling device, which comprises a pin bracket, two adjustable supporting trays and a jack assembly, wherein the pin bracket is arranged on the pin bracket; the pin bracket is connected with the adjustable supporting tray through an adjusting bolt, and the jack component is arranged at one end of the pin bracket through the jack bracket; the jack assembly comprises a hollow jack and a threaded ejector rod. According to the utility model, the adjustable support tray is connected with the pin bracket, and the position of the adjustable support tray can be flexibly adjusted according to the size of the shaft pin during installation, so that the central axis of the shaft pin and the central axis of the hollow jack are positioned on the same straight line, the friction force generated by butt joint deviation is reduced, the labor intensity of operators can be greatly reduced, the occurrence of overhead falling accidents caused by fatigue of the operators is prevented, and the production safety is ensured; the hollow jack is clamped on the jack bracket, so that the direction of the hollow jack can be flexibly changed, the same device can be used for pin penetrating operation and pin pulling operation, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of mechanical installation, and particularly relates to an adjustable aerial pin penetrating and pulling device.
Background
In the boom installation process of large-scale hoisting equipment, the upper lug plate and the lower lug plate are required to be connected through the pin shaft, however, most of the existing installation structures are only provided with fixed lifting structures, and no corresponding drawing device is arranged, so that after the pin shaft is manually knocked to a proper position during the installation or the removal of the pin shaft, the components such as the stop pin, the cotter pin and the like are installed, and great inconvenience is brought to equipment assembly. This approach results in inefficient installation and is not suitable for large shaft pin installations.
Disclosure of Invention
The utility model aims at solving the technical problems in the prior art, and provides an adjustable overhead pin penetrating and pulling device, which is characterized in that an adjustable supporting tray is connected with a pin bracket, the position of the adjustable supporting tray can be flexibly adjusted according to the size of a shaft pin during installation, the central axis of the shaft pin and the central axis of a hollow jack are positioned on the same straight line, the friction force generated by butt joint deviation is reduced, the labor intensity of operators can be greatly reduced, the occurrence of high-altitude falling accidents caused by personnel fatigue is prevented, and the production safety is ensured; the hollow jack is clamped on the jack bracket, the direction of the hollow jack can be flexibly changed, the same device can be used for pin penetrating operation and pin pulling operation, and the working efficiency is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme: an adjustable sky wears to pull out round pin device, its characterized in that: the lifting jack comprises a pin bracket, two adjustable supporting trays symmetrically arranged in the pin bracket and a jack assembly arranged at one end of the pin bracket; the pin bracket is connected with the adjustable supporting tray through an adjusting bolt, and the jack component is arranged at one end of the pin bracket through a jack bracket;
the pin bracket comprises a first mounting plate arranged vertically, a second mounting plate arranged vertically and four connecting rods which are horizontally arranged between the first mounting plate and the second mounting plate, and the first mounting plate, the second mounting plate and the connecting rods are integrally formed;
the jack assembly comprises a hollow jack clamped on the jack bracket and a threaded ejector rod penetrating the hollow jack and extending into the pin bracket, and the threaded ejector rod is installed on the hollow jack through a nut.
Foretell an adjustable sky wears to pull out round pin device, its characterized in that: the center of the first mounting plate is provided with a first mounting hole, the first mounting plate is mounted on the ear plate through a fixing piece, the first mounting plate is provided with a plurality of fixing holes for mounting the fixing piece, and the fixing holes are distributed on two sides of the first mounting hole; the four connecting rods are respectively arranged at the vertex angle positions of the first mounting plate.
Foretell an adjustable sky wears to pull out round pin device, its characterized in that: a second mounting hole is formed in the center of the second mounting plate, and the end part of the threaded ejector rod penetrates through the second mounting hole; the center of the first mounting hole is coincident with the center of the second mounting hole; and a connecting line between the center of the first mounting hole and the center of the second mounting hole coincides with the central axis of the hollow jack.
Foretell an adjustable sky wears to pull out round pin device, its characterized in that: the adjustable support tray is arranged along the length direction of the connecting rod; the two adjustable support trays are obliquely arranged below the pin bracket, the adjustable support trays are arranged between the two connecting rods, and the adjustable support trays are connected with the connecting rods through adjusting bolts.
Foretell an adjustable sky wears to pull out round pin device, its characterized in that: the longitudinal section of the jack bracket is of a V-shaped structure, and a baffle is vertically arranged at one end, far away from the second mounting plate, of the jack bracket.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the adjustable support tray is connected with the pin bracket, and the position of the adjustable support tray can be flexibly adjusted according to the size of the shaft pin during installation, so that the central axis of the shaft pin and the central axis of the hollow jack are positioned on the same straight line, the friction force generated by butt joint deviation is reduced, the labor intensity of operators can be greatly reduced, the occurrence of overhead falling accidents caused by fatigue of the operators is prevented, and the production safety is ensured.
2. According to the utility model, the position of the adjustable supporting tray can be adjusted by rotating the adjusting bolt, the distance between the two adjustable supporting trays is changed, and the adjustable supporting tray is applicable to the threading and pulling-out work of pins with different sizes.
3. According to the utility model, the hollow jack is clamped on the jack bracket, so that the direction of the hollow jack can be flexibly changed, the same device can be used for pin penetrating operation and pin pulling operation, and the working efficiency is improved.
In summary, the adjustable support tray is connected with the pin bracket, so that the position of the adjustable support tray can be flexibly adjusted according to the size of the shaft pin during installation, the central axis of the shaft pin and the central axis of the hollow jack are positioned on the same straight line, the friction force generated by butt joint deviation is reduced, the labor intensity of operators can be greatly reduced, the occurrence of high-altitude falling accidents caused by fatigue of the operators is prevented, and the production safety is ensured; the hollow jack is clamped on the jack bracket, the direction of the hollow jack can be flexibly changed, the same device can be used for pin penetrating operation and pin pulling operation, and the working efficiency is improved.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the pin shaft removing device of the present utility model.
Reference numerals illustrate:
1-a connecting rod; 2-an adjustable support tray; 3-jack brackets;
4-a hollow jack; 5-a fixing hole; 6, adjusting bolts;
7-a threaded ejector rod; 8-a nut; 9-a first mounting plate;
10-a second mounting plate; 11-a first mounting hole; 12-baffle.
Detailed Description
As shown in fig. 1, the present utility model comprises a pin bracket, two adjustable support trays 2 symmetrically disposed within the pin bracket, and a jack assembly disposed at one end of the pin bracket; the pin bracket is connected with the adjustable supporting tray 2 through an adjusting bolt 6, and the jack component is arranged at one end of the pin bracket through a jack bracket 3;
the pin bracket comprises a first mounting plate 9 arranged vertically, a second mounting plate 10 arranged vertically and four connecting rods 1 which are horizontally arranged between the first mounting plate 9 and the second mounting plate 10, and the first mounting plate 9, the second mounting plate 10 and the connecting rods 1 are integrally formed;
the jack assembly comprises a hollow jack 4 clamped on the jack bracket 3 and a threaded ejector rod 7 penetrating through the hollow jack 4 and extending into the pin bracket, and the threaded ejector rod 7 is installed on the hollow jack 4 through a nut 8.
During actual use, through with adjustable support tray 2 with the pin bracket connection, can be according to the size of pivot when the installation, the flexible adjustment is adjustable to the position of support tray 2, makes the axis of pivot and the axis of hollow jack 4 be in same straight line, reduces the frictional force that produces because of the butt joint deviation, can reduce operating personnel intensity of labour by a wide margin, prevents the emergence of high altitude weight accident because of personnel fatigue causes, guarantees production safety.
The position of the adjustable support tray 2 can be adjusted by rotating the adjusting bolt 6, the distance between the two adjustable support trays 2 is changed, and the adjustable support tray is applicable to penetrating and pulling-out work of pin shafts with different sizes.
In addition, the hollow jack 4 is clamped on the jack bracket 3, so that the direction of the hollow jack 4 can be flexibly changed, the same device can be used for pin penetrating operation and pin pulling operation, and the working efficiency is improved.
As shown in fig. 1, a first mounting hole 11 is formed in the center of the first mounting plate 9, the first mounting plate 9 is mounted on the ear plate through a fixing piece, a plurality of fixing holes 5 for mounting the fixing piece are formed in the first mounting plate 9, and the plurality of fixing holes 5 are distributed on two sides of the first mounting hole 11; four connecting rods 1 are respectively arranged at the vertex angle positions of the first mounting plate 9.
In this embodiment, as shown in fig. 1, a second mounting hole is formed in the center of the second mounting plate 10, and the end portion of the threaded ejector rod 7 passes through the second mounting hole; the center of the first mounting hole 11 and the center of the second mounting hole coincide; the line between the centers of the first mounting hole 11 and the second mounting hole coincides with the central axis of the hollow jack 4.
As shown in fig. 1, in this embodiment, the adjustable support tray 2 is disposed along the length direction of the connecting rod 1; the two adjustable support trays 2 are obliquely arranged below the pin brackets, the adjustable support trays 2 are arranged between the two connecting rods 1, and the adjustable support trays 2 are connected with the connecting rods 1 through adjusting bolts 6.
In this embodiment, as shown in fig. 1, the vertical section of the jack bracket 3 is in a V-shaped structure, and a baffle 12 is vertically disposed at one end of the jack bracket 3 away from the second mounting plate 10.
During actual use, the jack bracket 3 and the baffle 12 are integrally formed, clamping holes for clamping the end parts of the hollow jacks 4 are formed in the baffle 12, the jack bracket 3 and the baffle 12 enclose a clamping area for clamping the hollow jacks 4, the hollow jacks 4 are arranged in the clamping area, when the direction of the hollow jacks 4 is required to be changed, the limit of the nuts 8 on the threaded ejector rods 7 is removed, the threaded ejector rods 7 are pulled out from the pin brackets, and then the hollow jacks 4 are turned to be installed again.
When the pin penetrating and pulling device is used, the fixing piece is used for installing the pin penetrating and pulling device on the lug plate, when a pin shaft needs to be penetrated, the ejection direction of the plunger of the hollow jack 4 faces to the pin bracket, and the threaded ejector rod 7 is penetrated in the hollow jack 4 and is fixed through the nut 8; adjusting the adjusting bolts 6, changing the distance between the two adjustable supporting trays 2, and clamping the pin shafts between the two adjustable supporting trays 2, so that the connecting line between the center of the first mounting hole 11 and the center of the second mounting hole coincides with the central axis of the pin shafts; connecting the end part of the threaded ejector rod 7 extending into the pin bracket with the threaded hole at the end part of the pin shaft; starting the hollow jack 4, and ejecting a plunger of the hollow jack 4 towards the direction of the first mounting plate 9 to drive a pin shaft to penetrate;
when the pin shaft is required to be pulled out, as shown in fig. 1, the ejection direction of the plunger of the hollow jack 4 is far away from the pin bracket, the threaded ejector rod 7 is penetrated in the hollow jack 4 and fixed through the nut 8, and the end part of the threaded ejector rod 7 extending into the pin bracket is connected with the threaded hole at the end part of the pin shaft; and starting the hollow jack 4, and ejecting a plunger of the hollow jack 4 towards a direction away from the second mounting plate 10 to drive the pin shaft to be pulled out.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. An adjustable sky wears to pull out round pin device, its characterized in that: the lifting jack comprises a pin bracket, two adjustable supporting trays (2) symmetrically arranged in the pin bracket and a jack assembly arranged at one end of the pin bracket; the pin bracket is connected with the adjustable supporting tray (2) through an adjusting bolt (6), and the jack component is arranged at one end of the pin bracket through a jack bracket (3);
the pin bracket comprises a first mounting plate (9) which is vertically arranged, a second mounting plate (10) which is vertically arranged and four connecting rods (1) which are horizontally arranged between the first mounting plate (9) and the second mounting plate (10), and the first mounting plate (9), the second mounting plate (10) and the connecting rods (1) are integrally formed;
the jack assembly comprises a hollow jack (4) clamped on the jack bracket (3) and a threaded ejector rod (7) penetrating in the hollow jack (4) and extending into the pin bracket, and the threaded ejector rod (7) is installed on the hollow jack (4) through a nut (8).
2. An adjustable over-the-air pin pulling device according to claim 1, wherein: a first mounting hole (11) is formed in the center of the first mounting plate (9), the first mounting plate (9) is mounted on the ear plate through a fixing piece, a plurality of fixing holes (5) for mounting the fixing piece are formed in the first mounting plate (9), and the fixing holes (5) are distributed on two sides of the first mounting hole (11); the four connecting rods (1) are respectively arranged at the vertex angle positions of the first mounting plate (9).
3. An adjustable over-the-air pin pulling device according to claim 2, wherein: a second mounting hole is formed in the center of the second mounting plate (10), and the end part of the threaded ejector rod (7) penetrates through the second mounting hole; the center of the first mounting hole (11) is coincident with the center of the second mounting hole; the connecting line between the centers of the first mounting hole (11) and the second mounting hole coincides with the central axis of the hollow jack (4).
4. An adjustable over-the-air pin pulling device according to claim 1, wherein: the adjustable support tray (2) is arranged along the length direction of the connecting rod (1); the two adjustable support trays (2) are obliquely arranged below the pin brackets, the adjustable support trays (2) are arranged between the two connecting rods (1), and the adjustable support trays (2) are connected with the connecting rods (1) through adjusting bolts (6).
5. An adjustable over-the-air pin pulling device according to claim 3, wherein: the longitudinal section of the jack bracket (3) is of a V-shaped structure, and a baffle (12) is vertically arranged at one end, far away from the second mounting plate (10), of the jack bracket (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320865300.0U CN219314337U (en) | 2023-04-18 | 2023-04-18 | Adjustable aerial pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320865300.0U CN219314337U (en) | 2023-04-18 | 2023-04-18 | Adjustable aerial pin pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219314337U true CN219314337U (en) | 2023-07-07 |
Family
ID=87026502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320865300.0U Active CN219314337U (en) | 2023-04-18 | 2023-04-18 | Adjustable aerial pin pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219314337U (en) |
-
2023
- 2023-04-18 CN CN202320865300.0U patent/CN219314337U/en active Active
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