CN219787289U - Device for automatically penetrating and retreating pin shaft - Google Patents
Device for automatically penetrating and retreating pin shaft Download PDFInfo
- Publication number
- CN219787289U CN219787289U CN202320805937.0U CN202320805937U CN219787289U CN 219787289 U CN219787289 U CN 219787289U CN 202320805937 U CN202320805937 U CN 202320805937U CN 219787289 U CN219787289 U CN 219787289U
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- Prior art keywords
- pushing
- pin shaft
- support
- bearing
- bracket
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- 230000000149 penetrating effect Effects 0.000 title claims abstract description 25
- 235000004443 Ricinus communis Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000007665 sagging Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The device comprises a supporting device for supporting the pin shaft and a penetrating and retreating device for pushing the penetrating and retreating pin shaft, wherein the supporting device comprises a supporting bracket and a supporting groove arranged at the top of the supporting bracket, the penetrating and retreating device comprises a pushing bracket and a pushing device for pushing the penetrating and retreating pin shaft, the pushing device is arranged in the pushing bracket, one end of the pushing device is fixedly arranged on one side of the pushing bracket, and the other end of the pushing device can extend out of the other side of the pushing bracket. The penetrating and retracting device is used for being mounted on one side of the pulley block to push the pin shaft of the pulley block, and in the pushing and moving process, the pin shaft pushing out of the pulley block is received by the receiving device to prevent the pin shaft pushing out of the pulley block from sagging and inclining, so that the pin shaft on the pulley block can be conveniently and rapidly penetrated and retracted under the condition that the pulley block outer cover is not welded.
Description
Technical Field
The utility model relates to the technical field of maintenance tools of hydropower station equipment, in particular to a device for automatically penetrating and retracting a pin shaft.
Background
When the pulley block breaks down, the bearing or the shaft needs to be replaced, and the pin shaft needs to be taken out. The traditional pin shaft taking-out mode is to weld a bracket on the pulley block outer cover, and the pin shaft moving pushing is carried out by adopting a jack, a chain block and the like. The existing defects are that the pulley block outer cover is welded, permanent damage can be generated to the pulley block outer cover, the outer cover can be deformed for a long time, the structural strength of the outer cover can be reduced, and the safety operation of hoisting equipment is at risk; in addition, in the process of penetrating and retracting the pin shaft, particularly in the latter half section, the pin shaft is not easy to retract due to the fact that the pin shaft is inclined by gravity.
Disclosure of Invention
The utility model aims to solve the technical problems that: the problem existing in the background art is solved, and the device for automatically penetrating and retracting the pin shaft is provided, so that the pin shaft on the pulley block can be conveniently and rapidly penetrated and retracted under the condition that the pulley block outer cover is not welded.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the device comprises a supporting device for supporting the pin shaft and a penetrating and retreating device for pushing the penetrating and retreating pin shaft, wherein the supporting device comprises a supporting bracket and a supporting groove arranged at the top of the supporting bracket, the penetrating and retreating device comprises a pushing bracket and a pushing device for pushing the penetrating and retreating pin shaft, the pushing device is arranged in the pushing bracket, one end of the pushing device is fixedly arranged on one side of the pushing bracket, and the other end of the pushing device can extend out of the other side of the pushing bracket.
The bearing support comprises a bottom support, an upper support and a lifting device, wherein the upper support is telescopically arranged on the upper side of the bottom support, the lifting device is arranged on the bottom support, and the movable end of the lifting device is connected with the upper support.
The bottom support comprises a bottom frame and guide pipes, the bottom frame is rectangular, the guide pipes are respectively arranged at four corners of the upper side of the bottom frame, the upper support comprises a top frame and slide bars, the top frame is rectangular corresponding to the bottom frame, the slide bars are respectively arranged at four corners of the lower side of the top frame, the slide bars are respectively inserted into the guide pipes in a one-to-one correspondence manner, supporting plates are connected between the guide pipes in opposite angles, lifting devices are arranged on the supporting plates, and movable ends of the lifting devices are connected to the lower sides of the top frame.
The guide tube is longitudinally provided with a plurality of adjusting holes, the slide bar is provided with positioning holes, and the bolt is inserted into the adjusting holes and the positioning holes to position the guide tube and the slide bar.
The lifting device is a turbine worm lifter or a jack.
Casters are arranged at the bottom of the bearing bracket.
The lower side of the bearing groove is provided with a bearing support, the top of the bearing support is provided with an adjusting screw, and the bearing support is adjustably arranged on the adjusting screw through an adjusting nut.
The pushing support comprises a bottom plate, connecting rods and a connecting ring, wherein the bottom plate and the connecting ring are fixedly connected through a plurality of connecting rods, a plurality of connecting holes are formed in the connecting ring, the pushing device is arranged on the bottom plate, and the movable end of the pushing device can extend out of the central hole of the connecting ring.
The pushing device is an electric push rod or a jack.
The utility model has the following beneficial effects:
1. the penetrating and retracting device is used for being mounted on one side of the pulley block to push the pin shaft of the pulley block, and in the pushing and moving process, the pin shaft pushing out of the pulley block is received by the receiving device to prevent the pin shaft pushing out of the pulley block from sagging and inclining, so that the pin shaft on the pulley block can be conveniently and rapidly penetrated and retracted under the condition that the pulley block outer cover is not welded.
Drawings
Fig. 1 is a schematic perspective view of the present utility model in a use state.
Fig. 2 is a schematic perspective view of a receiving device according to the present utility model.
Fig. 3 is a schematic perspective view of the wearing and retracting device of the present utility model.
In the figure: the device comprises a receiving device 10, a bottom bracket 11, a bottom frame 111, a guide tube 112, a supporting plate 113, an adjusting hole 114, a bolt 115, an upper bracket 12, a top frame 121, a slide bar 122, a receiving groove 13, a receiving support 131, an adjusting screw 132, a lifting device 14 and a caster 15.
The device for pushing and pulling the pusher comprises a penetrating and retracting device 20, a pushing support 21, a bottom plate 211, a connecting rod 212, a connecting ring 213, a connecting hole 214 and a pusher 22.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, an automatic pin shaft penetrating and retreating device comprises a bearing device 10 for bearing pin shafts and a penetrating and retreating device 20 for pushing penetrating and retreating pin shafts, wherein the bearing device 10 comprises a bearing support and a bearing groove 13 arranged at the top of the bearing support, the penetrating and retreating device 20 comprises a pushing support 21 and a pushing device 22 for pushing penetrating and retreating pin shafts, the pushing device 22 is arranged in the pushing support 21, one end of the pushing device 22 is fixedly arranged on one side of the pushing support 21, and the other end of the pushing device can extend out of the other side of the pushing support 21. The penetrating and retreating device 20 is used for being mounted on one side of the pulley block 30 to push the pin shaft of the pulley block 30, and in the pushing and moving process, the pin shaft pushed out of the pulley block 30 is received by the receiving device 10 to prevent the pin shaft pushed out of the pulley block 30 from sagging and inclining, so that the pin shaft on the pulley block can be conveniently and rapidly penetrated and retreated under the condition that the pulley block outer cover is not welded.
Referring to fig. 1 and 2, the receiving bracket comprises a bottom bracket 11, an upper bracket 12 and a lifting device 14, wherein the upper bracket 12 is telescopically arranged on the upper side of the bottom bracket 11, the lifting device 14 is arranged on the bottom bracket 11, and the movable end of the lifting device 14 is connected with the upper bracket 12. The bearing support can be lifted, so that the position of the pin shaft can be aligned.
In a preferred embodiment, referring to fig. 2, the bottom bracket 11 includes a bottom frame 111 and a guide pipe 112, the bottom frame 111 is rectangular, the guide pipes 112 are respectively installed at four corners of the upper side of the bottom frame 111, the upper bracket 12 includes a top frame 121 and slide bars 122, the top frame 121 is rectangular corresponding to the bottom frame 111, the slide bars 122 are respectively installed at four corners of the lower side of the top frame 121, the slide bars 122 are inserted into the guide pipes 112 in a one-to-one correspondence manner, a supporting plate 113 is connected between the guide pipes 112 at opposite angles, the lifting device 14 is installed on the supporting plate 113, and a movable end of the lifting device 14 is connected to the lower side of the top frame 121. The four slide bars 122 are matched with the four guide pipes 112 to slide, so that the structure is simple, and the stability is good.
Further, a plurality of adjusting holes 114 are longitudinally formed in the guide tube 112, positioning holes are formed in the sliding rod 122, and the bolts 115 are inserted into the adjusting holes 114 and the positioning holes to position the guide tube 112 and the sliding rod 122. The upper bracket 12 of which the height is adjusted can be limited.
In particular, the lifting device 14 is a worm gear lift or jack.
Referring to fig. 2, casters 15 are mounted to the bottom of the receiving bracket. The bearing device 10 is convenient to move and the detached pin shaft is convenient to transport.
Referring to fig. 2, a receiving bracket 131 is provided at the lower side of the receiving groove 13, an adjusting screw 132 is installed at the top of the receiving bracket, and the receiving bracket 131 is adjustably installed on the adjusting screw 132 by an adjusting nut. The height of the receiving groove 13 is finely adjusted by the adjusting screw 132.
Referring to fig. 3, the pushing support 21 includes a bottom plate 211, a connecting rod 212 and a connecting ring 213, the bottom plate 211 and the connecting ring 213 are fixedly connected by four connecting rods 212, four connecting holes 214 are formed in the connecting ring 213, the pushing device 22 is mounted on the bottom plate 211, and a movable end of the pushing device 22 can extend out of a central hole of the connecting ring 213. The connecting hole 214 corresponds to the mounting hole on the side of the pulley block 30, the pushing support 21 is fixedly connected with the pulley block 30 through the connecting hole 214 in a bolt manner, at this time, the movable end of the pushing device 22 is aligned with the pin shaft to be penetrated and retracted, and the movable end of the pushing device 22 pushes the pin shaft, so that the pin shaft is pushed out to the receiving groove 13 of the receiving device 10.
Specifically, the pusher 22 is an electric push rod or a jack.
Preferably, the electric push rod is DTZ5000 in model and has a push-pull force of 5000Kg.
The working process or principle of the utility model:
when in use, the pushing support 21 is fixedly connected with one side of the pulley block 30 through the connecting hole 214 of the connecting ring 213, the bearing device 10 is placed on the other side of the pulley block 30, and the height of the bearing groove 13 is adjusted, so that the bearing groove 13 is positioned on the lower side of the pin shaft. The pushing device 22 is operated, and the movable end of the pushing device 22 pushes the pin shaft, so that the pin shaft is conveniently and rapidly pushed out of the receiving groove 13 of the receiving device 10.
When the pusher 22 is an electric push rod, the pin shaft can also be installed. The height of the receiving groove 13 is adjusted firstly, the receiving groove 13 is aligned with the pin shaft mounting hole, then the pin shaft is placed in the receiving groove 13, one end of the pin shaft, which is positioned on the penetrating and retracting device 20, is connected with the movable end of the electric push rod, and the electric push rod retracts to pull the pin shaft, so that the pin shaft is mounted in the pin hole.
Claims (9)
1. A device for round pin axle is automatic wears to move back, its characterized in that: the device comprises a bearing device (10) for bearing a pin shaft and a penetrating and retreating device (20) for pushing and retreating the pin shaft, the bearing device (10) comprises a bearing support and a bearing groove (13) arranged at the top of the bearing support, the penetrating and retreating device (20) comprises a pushing support (21) and a pushing device (22) for pushing and retreating the pin shaft, the pushing device (22) is arranged in the pushing support (21), one end of the pushing device (22) is fixedly arranged on one side of the pushing support (21), and the other end of the pushing device can extend out of the other side of the pushing support (21).
2. The device for automatic pin shaft threading and retracting according to claim 1, wherein: the bearing support comprises a bottom support (11), an upper support (12) and a lifting device (14), wherein the upper support (12) is telescopically arranged on the upper side of the bottom support (11), the lifting device (14) is arranged on the bottom support (11), and the movable end of the lifting device (14) is connected with the upper support (12).
3. A device for automatic pin shaft threading and retracting according to claim 2, characterized in that: the bottom bracket (11) comprises a bottom frame (111) and guide pipes (112), the bottom frame (111) is rectangular, the guide pipes (112) are respectively arranged at four corners of the upper side of the bottom frame (111), the upper bracket (12) comprises a top frame (121) and slide bars (122), the top frame (121) is rectangular corresponding to the bottom frame (111), the slide bars (122) are respectively arranged at four corners of the lower side of the top frame (121), the slide bars (122) are inserted into the guide pipes (112) in a one-to-one corresponding manner in a sliding manner, supporting plates (113) are connected between the guide pipes (112) in opposite angles, lifting devices (14) are arranged on the supporting plates (113), and movable ends of the lifting devices (14) are connected to the lower side of the top frame (121).
4. A device for automatic pin shaft threading and threading as claimed in claim 3 and characterized in that: a plurality of adjusting holes (114) are longitudinally formed in the guide pipe (112), positioning holes are formed in the sliding rod (122), and bolts (115) are inserted into the adjusting holes (114) and the positioning holes to position the guide pipe (112) and the sliding rod (122).
5. An apparatus for automatic pin shaft threading and retracting according to any one of claims 2 to 4, characterized in that: the lifting device (14) is a turbine worm lifter or a jack.
6. The device for automatic pin shaft threading and retracting according to claim 1, wherein: the bottom of the bearing bracket is provided with a castor (15).
7. The device for automatic pin shaft threading and retracting according to claim 1, wherein: the lower side of the bearing groove (13) is provided with a bearing support (131), the top of the bearing support is provided with an adjusting screw (132), and the bearing support (131) is adjustably arranged on the adjusting screw (132) through an adjusting nut.
8. The device for automatic pin shaft threading and retracting according to claim 1, wherein: the pushing support (21) comprises a bottom plate (211), connecting rods (212) and connecting rings (213), the bottom plate (211) and the connecting rings (213) are fixedly connected through the connecting rods (212), a plurality of connecting holes (214) are formed in the connecting rings (213), the pushing device (22) is arranged on the bottom plate (211), and the movable end of the pushing device (22) can extend out of the central holes of the connecting rings (213).
9. A device for automatic pin shaft threading and retracting according to claim 1 or 8, characterized in that: the pushing device (22) is an electric push rod or a jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320805937.0U CN219787289U (en) | 2023-04-12 | 2023-04-12 | Device for automatically penetrating and retreating pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320805937.0U CN219787289U (en) | 2023-04-12 | 2023-04-12 | Device for automatically penetrating and retreating pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219787289U true CN219787289U (en) | 2023-10-03 |
Family
ID=88182113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320805937.0U Active CN219787289U (en) | 2023-04-12 | 2023-04-12 | Device for automatically penetrating and retreating pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219787289U (en) |
-
2023
- 2023-04-12 CN CN202320805937.0U patent/CN219787289U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |