CN220886702U - Crane pulley block mounting device - Google Patents
Crane pulley block mounting device Download PDFInfo
- Publication number
- CN220886702U CN220886702U CN202322834235.8U CN202322834235U CN220886702U CN 220886702 U CN220886702 U CN 220886702U CN 202322834235 U CN202322834235 U CN 202322834235U CN 220886702 U CN220886702 U CN 220886702U
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- Prior art keywords
- pulley
- block
- assembly
- rod
- groove
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- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model relates to the field of cranes, in particular to a crane pulley block mounting device. The crane pulley block mounting device comprises a mounting piece and a pulley assembly, wherein a connecting assembly for fixing the mounting piece is arranged on the mounting piece, and two through grooves are formed in the mounting piece. According to the crane pulley block mounting device provided by the utility model, the two clamping blocks can synchronously move in the two through grooves respectively by utilizing the moving assembly, so that the clamping blocks can initially position the pulley assembly through the positioning holes, the pulley assembly cannot be displaced left and right after being mounted, the two ends of the pulley assembly can be respectively fixed in the two positioning holes by utilizing the limiting assembly, the situation that the pulley assembly slides up and down in a mounting state can be avoided, the rotating shafts with different diameters can be mounted and fixed, the stability of the pulley assembly after being mounted can be ensured, and the use effect of the pulley assembly can be ensured.
Description
Technical Field
The utility model relates to the field of cranes, in particular to a crane pulley block mounting device.
Background
A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The crane pulley block is a fixed pulley for the hook group to work cooperatively and is fixed on the structure, and is formed by combining a plurality of fixed pulleys and movable pulleys, so that the crane pulley block can save labor and change the force acting direction.
In the chinese utility model of publication No. CN212982239U, a pulley mounting structure for crane hook group is disclosed, which can maintain original overall strength, and the set pulley mounting structure can adjust the distance between two limiting risers, so as to add a plurality of pulleys, thereby meeting the needs of different hook groups, and the application scope is wider.
The device utilizes mobilizable riser to dismantle the change to conveniently to the pulley to utilize the locating bolt who installs in the screw thread piece to insert in the location through groove in the device to remove the pivot, but because the locating bolt inserts in the location through groove, only can spacing the rotation of pivot, the pivot still can rely on the location through groove to slide in the through-hole, makes the pivot drive the pulley and produces the position, and then influences the result of use of assembly pulley.
Therefore, it is necessary to provide a new crane pulley block mounting device to solve the above technical problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a crane pulley block mounting device.
The utility model provides a crane pulley block mounting device, which comprises a mounting piece and a pulley assembly, wherein a connecting assembly for fixing the mounting piece is arranged on the mounting piece, two through grooves are formed in the mounting piece, clamping blocks are connected in the two through grooves in a sliding manner, a moving assembly for synchronously moving the two clamping blocks is arranged in the mounting piece, positioning holes are formed in the two clamping blocks, and a limiting assembly for clamping the pulley assembly at multiple points through the positioning holes is arranged on the clamping blocks.
Preferably, the pulley assembly comprises a mounting seat and a rotating shaft arranged in the mounting seat, wherein a pulley piece is arranged on the rotating shaft, and a hook is further arranged on the mounting seat.
Preferably, the connecting assembly comprises two connecting plates fixedly connected to the mounting piece, and fixing holes are formed in two ends of each connecting plate.
Preferably, the moving assembly comprises a control groove arranged in the mounting piece, a bidirectional screw rod rotationally connected in the control groove, and a rotating rod rotationally connected in the control groove, wherein the control groove is communicated with the through groove, a worm wheel is arranged in the middle section of the bidirectional screw rod, a worm meshed with the worm wheel is fixedly connected on the rotating rod, and the two clamping blocks are respectively in threaded connection with two ends of the bidirectional screw rod.
Preferably, the limiting component comprises a control box fixedly connected to the clamping block, a moving groove arranged in the positioning hole, a fixed rod slidingly connected to the moving groove, an adjusting bolt rotationally connected to the control box, and a moving block screwed to the adjusting bolt, wherein the moving block is hinged with a hinging rod, one end of the hinging rod is hinged to the fixed rod, and one end of the fixed rod away from the moving block is positioned in the positioning hole.
Compared with the related art, the crane pulley block mounting device provided by the utility model has the following beneficial effects:
According to the pulley assembly, through the matching arrangement of the moving assembly, the clamping blocks, the through grooves, the positioning holes and the limiting assembly, the moving assembly is utilized to enable the two clamping blocks to synchronously move in the two through grooves respectively, so that the clamping blocks can initially position the pulley assembly through the positioning holes, left and right displacement cannot occur after the pulley assembly is installed, two ends of the pulley assembly can be respectively fixed in the two positioning holes through the limiting assembly, the situation that the pulley assembly slides up and down in an installed state can be avoided, the rotating shafts with different diameters can be installed and fixed, stability of the pulley assembly after installation can be guaranteed, and the use effect of the pulley assembly is guaranteed.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view I of the present utility model;
Fig. 3 is a second cross-sectional view of the present utility model.
Reference numerals in the drawings: 1. a mounting member; 2. a connecting plate; 3. a fixing hole; 4. a control groove; 5. a through groove; 6. a clamping block; 7. a two-way screw rod; 8. a worm wheel; 9. a rotating rod; 10. a worm; 11. a mounting base; 12. a rotation shaft; 13. a pulley member; 14. a hook; 15. positioning holes; 16. a control box; 17. an adjusting bolt; 18. a moving block; 19. a hinge rod; 20. a moving groove; 21. and a fixing rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 3, the crane pulley block mounting device provided by the embodiment of the utility model comprises a mounting piece 1 and a pulley assembly, wherein a connecting assembly for fixing the mounting piece 1 is arranged on the mounting piece 1, two through grooves 5 are formed in the mounting piece 1, the two through grooves 5 are in a state of penetrating the mounting piece 1 on the mounting piece 1, clamping blocks 6 are slidably connected in the two through grooves 5, the middle section of each clamping block 6 slides in the through grooves 5, and two ends of each clamping block 6 are positioned outside the mounting piece 1 through the through grooves 5.
The installation piece 1 is internally provided with a moving assembly for synchronously moving two clamping blocks 6, positioning holes 15 are formed in the two clamping blocks 6, the number of the positioning holes 15 is two, the two symmetrical clamping blocks 6 are arranged at two ends of the clamping blocks 6, the positioning holes 15 on the two clamping blocks 6 are in opposite states, and the clamping blocks 6 are provided with limiting assemblies for clamping the pulley assembly at multiple points through the positioning holes 15.
In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the pulley assembly includes a mounting seat 11, a rotating shaft 12 mounted in the mounting seat 11, a pulley member 13 mounted on the rotating shaft 12, and a hook 14 mounted on the mounting seat 11.
It should be noted that: the number of pulley members 13 is at least one, and the hooks 14 are disposed below the pulley members 13, and are equidistantly disposed on the rotation shaft 12.
In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the connecting assembly includes two connecting plates 2 fixedly connected to the mounting member 1, and fixing holes 3 are formed at two ends of the two connecting plates 2.
It should be noted that: reinforcing ribs can be further designed on the connecting plate 2, firmness between the mounting piece 1 and the connecting plate 2 is improved, and the connecting plate 2 is connected with lifting equipment by installing bolts in the fixing holes 3.
In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the moving assembly includes a control slot 4 provided in the mounting member 1, a bidirectional screw rod 7 rotatably connected in the control slot 4, a rotating rod 9 rotatably connected in the control slot 4, the control slot 4 is communicated with the through slot 5, a worm wheel 8 is installed in the middle section of the bidirectional screw rod 7, a worm 10 meshed with the worm wheel 8 is fixedly connected to the rotating rod 9, and two clamping blocks 6 are respectively screwed at two ends of the bidirectional screw rod 7.
It should be noted that: the two-way screw rod 7 is a rod with opposite threads at two ends, two ends of the rotating rod 9 are located outside the mounting piece 1, the two-way screw rod 7 can be driven to rotate through the worm wheel 8 by the worm 10 through rotating the rotating rod 9, and therefore the clamping block 6 moves in the through groove 5, and the two-way screw rod 7 has self-locking property due to the adoption of the worm 10 and worm wheel 8 transmission mode.
In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the limiting assembly includes a control box 16 fixedly connected to the clamping block 6, a moving slot 20 provided in the positioning hole 15, a fixed rod 21 slidably connected in the moving slot 20, an adjusting bolt 17 rotatably connected in the control box 16, and a moving block 18 screwed on the adjusting bolt 17, wherein a hinge rod 19 is hinged on the moving block 18, one end of the hinge rod 19 is hinged on the fixed rod 21, and one end of the fixed rod 21 away from the moving block 18 is located in the positioning hole 15.
It should be noted that: the adjusting bolt 17 can be rotated on the control box 16, so that the moving block 18 moves on the adjusting bolt 17, the fixed rod 21 is pulled to slide in the moving groove 20 under the action of the hinging rod 19, and the fixed rod 21 is abutted against the rotating shaft 12, so that the rotating shaft 12 is clamped and fixed.
The working principle of the crane pulley block mounting device provided by the utility model is as follows:
Firstly, install connecting plate 2 on the jacking equipment through fixed orifices 3 and bolt, then, through carrying out clockwise rotation to rotatory pole 9, make worm 10 drive bi-directional lead screw 7 through worm wheel 8 and rotate in the inside of control groove 4, and make grip block 6 slide on bi-directional lead screw 7, can leave sufficient space between two grip blocks 6, then, place pulley assembly between two grip blocks 6, and make the both ends of rotation axis 12 insert respectively in two locating holes 15, then, anticlockwise rotation to rotatory pole 9, can make two grip blocks 6 carry out the relative motion, and make the both ends of rotation axis 12 support respectively on the inner wall of two locating holes 15, finally, adjust bolt 17 and rotate, make movable block 18 remove on adjusting bolt 17, and under the effect of articulated rod 19, can pull dead lever 21 and slide in movable groove 20, and make dead lever 21 support on rotation axis 12, thereby the centre gripping is fixed, not only can install the rotation axis 12 of different diameters, still can guarantee the stability of pulley assembly after installing, use effect.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (5)
1. The utility model provides a hoist assembly pulley installation device, its characterized in that, including installed part (1) and pulley assembly, be provided with on installed part (1) and be used for the coupling assembling to installed part (1) fixed, two logical groove (5) have been seted up in installed part (1), two equal sliding connection has grip block (6) in logical groove (5), be provided with in installed part (1) and be used for the removal subassembly to two grip block (6) synchronous movement, two locating hole (15) have all been seted up on grip block (6), be provided with on grip block (6) through locating hole (15) to the spacing subassembly of pulley assembly multiple spot centre gripping.
2. The crane pulley block mounting device according to claim 1, wherein the pulley assembly comprises a mounting seat (11), a rotating shaft (12) mounted in the mounting seat (11), a pulley piece (13) is mounted on the rotating shaft (12), and a hook (14) is further mounted on the mounting seat (11).
3. The crane pulley block mounting device according to claim 1, wherein the connecting assembly comprises two connecting plates (2) fixedly connected to the mounting piece (1), and fixing holes (3) are formed in two ends of the two connecting plates (2).
4. The crane pulley block mounting device according to claim 1, wherein the moving assembly comprises a control groove (4) arranged in the mounting piece (1), a bidirectional screw rod (7) rotatably connected in the control groove (4), a rotating rod (9) rotatably connected in the control groove (4), the control groove (4) is communicated with the through groove (5), a worm wheel (8) is mounted in the middle section of the bidirectional screw rod (7), a worm (10) meshed with the worm wheel (8) is fixedly connected to the rotating rod (9), and the two clamping blocks (6) are respectively connected to two ends of the bidirectional screw rod (7) in a threaded mode.
5. The crane pulley block mounting device according to claim 1, wherein the limiting assembly comprises a control box (16) fixedly connected to the clamping block (6), a moving groove (20) formed in the positioning hole (15), a fixed rod (21) slidingly connected to the moving groove (20), an adjusting bolt (17) rotationally connected to the control box (16) and a moving block (18) screwed to the adjusting bolt (17), a hinging rod (19) is hinged to the moving block (18), one end of the hinging rod (19) is hinged to the fixed rod (21), and one end of the fixed rod (21) away from the moving block (18) is located in the positioning hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322834235.8U CN220886702U (en) | 2023-10-23 | 2023-10-23 | Crane pulley block mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322834235.8U CN220886702U (en) | 2023-10-23 | 2023-10-23 | Crane pulley block mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220886702U true CN220886702U (en) | 2024-05-03 |
Family
ID=90876822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322834235.8U Active CN220886702U (en) | 2023-10-23 | 2023-10-23 | Crane pulley block mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220886702U (en) |
-
2023
- 2023-10-23 CN CN202322834235.8U patent/CN220886702U/en active Active
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| GR01 | Patent grant |