CN215249254U - Hanging-in type main pulley device for walking trolley - Google Patents
Hanging-in type main pulley device for walking trolley Download PDFInfo
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- CN215249254U CN215249254U CN202121418386.XU CN202121418386U CN215249254U CN 215249254 U CN215249254 U CN 215249254U CN 202121418386 U CN202121418386 U CN 202121418386U CN 215249254 U CN215249254 U CN 215249254U
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Abstract
The utility model provides a walking is hanging into formula main pulley device for dolly, including preceding mounting bracket, back mounting bracket, from left to right be equipped with first assembly pulley, lifting hook seat, second assembly pulley in proper order between mounting bracket, the back mounting bracket in the front, preceding mounting bracket, back mounting bracket establish in the dolly support around respectively, first assembly pulley include first pulley, second pulley, loose pulley around the loose pulley both ends establish in the front on mounting bracket, back mounting bracket through preceding mounting panel, back mounting panel respectively. The utility model has the advantages that: the step of fixing the pulley on the trolley support through the pin shaft in the past is omitted, the first pulley block and the second pulley block are respectively fixed on the front mounting frame and the rear mounting frame through the mounting plates, the problem that the main pulley of the walking trolley is inconvenient to replace in the use process of the tower crane is solved, and the mounting and the dismounting are convenient.
Description
Technical Field
The utility model belongs to the construction machinery field especially relates to a walking dolly is with hanging into formula main pulley device.
Background
In the hoisting equipment industry, a walking trolley on a tower crane becomes one of important parts and plays a vital role. In the prior art, the main pulley of the walking trolley is inconvenient to replace, and the problems of safety and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a walking dolly is with hanging into formula main pulley device, its convenient ann tears open, has solved the tower machine and has changed the inconvenient problem of walking dolly main pulley in the use, has ensured safety, is particularly suitable for being used in tower crane.
The technical scheme of the utility model is that: the utility model provides a walk hanging-in main pulley device for dolly, includes preceding mounting bracket, back mounting bracket, from left to right is equipped with first assembly pulley, lifting hook seat, second assembly pulley in proper order between preceding mounting bracket, back mounting bracket, first assembly pulley and second slip group set up and the structure is the same about lifting hook seat centrosymmetry, preceding mounting bracket, back mounting bracket establish in the dolly support around respectively, diaphragm department of diaphragm upper end of preceding mounting bracket, the diaphragm punishment of back mounting bracket upper end do not be fixed with preceding bent plate, back bent plate, preceding mounting bracket inboard, the inboard setting of back mounting bracket of preceding bent plate lower extreme, back bent plate lower extreme laminating respectively, preceding bent plate and back bent plate between link to each other through keeping off the rope round pin, first assembly pulley include first pulley, second pulley, pulley shaft around both ends establish preceding mounting bracket, back mounting bracket through preceding mounting bracket, back mounting bracket respectively, The rear mounting frame is provided with a front notch and a rear notch which are used for the two ends of the pulley shaft to pass through, the two ends of the pulley shaft are respectively arranged in the front notch and the rear notch and respectively pass through the front mounting frame and a first hole and a second hole on the rear mounting frame, the upside of the two ends of the pulley shaft outside the front mounting frame and the rear mounting frame is respectively provided with a front shaft clamping plate and a rear shaft clamping plate, the front shaft clamping plate is provided with a plurality of first front holes, the front mounting frame and the front mounting frame are respectively provided with a plurality of second front holes and third front thread blind holes which correspond to the first front holes, a first fixing bolt passes through the first front holes and the second front holes, threads are arranged in the third front thread blind holes, the rear shaft clamping plate is provided with a plurality of first rear holes, the rear mounting frame and the rear mounting plate are respectively provided with a plurality of second rear holes and third rear thread blind holes which correspond to the first rear holes, and a second fixing bolt passes through the first rear holes, And the second rear hole is threaded in a third rear threaded blind hole, and a first pulley and a second pulley are sleeved on the pulley shaft in a front-back mode.
Preferably, a plurality of mounting holes are respectively formed in the transverse plate at the upper end of the front mounting frame and the transverse plate at the upper end of the rear mounting frame, a plurality of threaded blind holes corresponding to the mounting holes are formed in the front bent plate and the rear bent plate, and top bolts penetrate through the mounting holes and are fixed in the threaded blind holes corresponding to the top bolts.
Preferably, a first shaft sleeve, a second shaft sleeve and a third shaft sleeve are respectively arranged between the first pulley and the front mounting plate, between the first pulley and the second pulley, and between the second pulley and the rear mounting plate.
Preferably, a first bearing and a second bearing are respectively arranged between the first pulley and the pulley shaft and between the second pulley and the pulley shaft.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the step of fixing the pulley on the trolley support through the pin shaft in the past is omitted, the first pulley block and the second pulley block are respectively fixed on the front mounting frame and the rear mounting frame through the mounting plates, the problem that the main pulley of the walking trolley is inconvenient to replace in the use process of the tower crane is solved, and the mounting and the dismounting are convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the a-a square of fig. 1.
In the figure:
1. front mounting frame 2, rear mounting frame 3 and first pulley block
4. Lifting hook seat 5, second pulley block 6 and front bent plate
7. Back bend plate 8, rope stop pin 9, first pulley
10. Second pulley 11, pulley shaft 12 and front mounting plate
13. Front axle clamping plate 14, first shaft sleeve 15 and second shaft sleeve
16. A third shaft sleeve 17 and a trolley bracket.
Detailed Description
As shown in fig. 1 and 2, the technical scheme of the utility model is that a hanging-in type main pulley device for a traveling trolley comprises a front mounting frame 1 and a rear mounting frame 2, wherein a first pulley block 3, a hook base 4 and a second pulley block 5 are sequentially arranged between the front mounting frame 1 and the rear mounting frame 2 from left to right, the first pulley block 3 and the second sliding group 5 are symmetrically arranged about the center of the hook base 4 and have the same structure, the front mounting frame 1 and the rear mounting frame 2 are respectively arranged in a trolley support 17 from front to back, a front bent plate 6 and a rear bent plate 7 are respectively fixed at a transverse plate at the upper end of the front mounting frame 1 and a transverse plate at the upper end of the rear mounting frame 2, the lower end of the front bent plate 6 and the lower end of the rear bent plate 7 are respectively attached to the inner side of the front mounting frame 1 and the inner side of the rear mounting frame 2, and the front bent plate 6 and the rear bent plate 7 are connected through a rope blocking pin 8;
the first pulley block 5 comprises a first pulley 9, a second pulley 10 and a pulley shaft 11, the front end and the rear end of the pulley shaft 11 are respectively arranged on the front mounting frame 1 and the rear mounting frame 2 through a front mounting plate 12 and a rear mounting plate, the front mounting plate 12 and the rear mounting plate are respectively provided with a front notch and a rear notch for the two ends of the pulley shaft 11 to pass through, the two ends of the pulley shaft 11 are respectively arranged in the front notch and the rear notch and respectively pass through a first hole and a second hole on the front mounting frame 1 and the rear mounting frame 2, the upper sides of the two ends of the pulley shaft 11 at the outer sides of the front mounting frame 1 and the rear mounting frame 2 are respectively provided with a front shaft clamping plate 13 and a rear shaft clamping plate, the front shaft clamping plate 13 is provided with a plurality of first front holes, the front mounting frame 1 and the front mounting plate 13 are respectively provided with a plurality of second front holes corresponding to the first front holes, a third front threaded blind hole, a first fixing bolt passes through the first front holes and the second front holes, and the screw thread is established in the screw thread blind hole before the third, is equipped with a plurality of first back holes on the rear axle cardboard, is equipped with a plurality of second back holes, third back screw thread blind holes corresponding with first back hole respectively on rear mounting bracket 2, the rear mounting panel, and first back hole, second back hole are passed to the second fixing bolt, and the screw thread is established in third back screw thread blind hole, loose pulley shaft 11 on the front and back cover be equipped with first pulley 9, second pulley 10.
In this embodiment, the diaphragm department of preceding mounting bracket 1 upper end, the diaphragm department of back mounting bracket 2 upper end be equipped with a plurality of mounting holes respectively, be equipped with a plurality of screw thread blind holes corresponding with the mounting hole on preceding bent plate 6, back bent plate 7, the top bolt passes the mounting hole, and fixes in the screw thread blind hole that corresponds with it.
In this embodiment, a first shaft sleeve 14, a second shaft sleeve 15, and a third shaft sleeve 16 are respectively disposed between the first pulley 9 and the front mounting plate 12, between the first pulley 9 and the second pulley 10, and between the second pulley 10 and the rear mounting plate.
In this embodiment, a first bearing and a second bearing are respectively disposed between the first pulley 9 and the pulley shaft 11 and between the second pulley 10 and the pulley shaft 11.
The working process and principle of the example are as follows: during the use, with preceding mounting bracket, rear mounting bracket respectively around fixed mounting on the dolly support, then establish the pulley spindle with first pulley, the second pulley cover of first assembly pulley, then establish mounting bracket, rear mounting bracket in the front through preceding mounting panel, rear mounting panel respectively with the pulley spindle both ends, and fix it through front axle cardboard, rear axle cardboard respectively, the same way is also taken to the second assembly pulley and is installed, at last with wire rope connection can.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (4)
1. The utility model provides a hanging-in main pulley device for walking dolly which characterized in that: including preceding mounting bracket, after-mounting bracket, from left to right be equipped with first assembly pulley, lifting hook seat, second assembly pulley in proper order between preceding mounting bracket, after-mounting bracket, first assembly pulley and second slip group set up and the structure is the same about lifting hook seat central symmetry, preceding mounting bracket, after-mounting bracket establish in the dolly support around respectively, diaphragm department of preceding mounting bracket upper end, the diaphragm punishment of after-mounting bracket upper end be fixed with preceding bent plate, after-bending respectively, preceding bent plate lower extreme, after-bending lower extreme laminate preceding mounting bracket inboard respectively, after-mounting bracket inboard setting, preceding bent plate and after-bending between link to each other through keeping off the rope round pin, first assembly pulley include first pulley, second pulley, pulley shaft around both ends establish before mounting bracket, after-mounting bracket through preceding mounting panel, after-mounting panel respectively, before the mounting panel around the mounting panel, The rear mounting plate is respectively provided with a front notch and a rear notch for the two ends of the pulley shaft to pass through, the two ends of the pulley shaft are respectively arranged in the front notch and the rear notch and respectively pass through a first hole and a second hole on the front mounting frame and the rear mounting frame, the upper sides of the two ends of the pulley shaft outside the front mounting frame and the rear mounting frame are respectively provided with a front shaft clamping plate and a rear shaft clamping plate, the front shaft clamping plate is provided with a plurality of first front holes, the front mounting frame and the front mounting plate are respectively provided with a plurality of second front holes and third front threaded blind holes corresponding to the first front holes, a first fixing bolt passes through the first front holes and the second front holes, threads are arranged in the third front threaded blind holes, the rear shaft clamping plate is provided with a plurality of first rear holes, the rear mounting frame and the rear mounting plate are respectively provided with a plurality of second rear holes and third rear threaded blind holes corresponding to the first rear holes, a second fixing bolt passes through the first rear holes and the second rear holes, and the thread is arranged in the third rear thread blind hole, and the pulley shaft is sleeved with a first pulley and a second pulley in the front and at the back.
2. The hanging type main pulley device for a walking trolley according to claim 1, wherein: the front mounting frame is characterized in that a plurality of mounting holes are formed in the transverse plate at the upper end of the front mounting frame and the transverse plate at the upper end of the rear mounting frame respectively, a plurality of threaded blind holes corresponding to the mounting holes are formed in the front bent plate and the rear bent plate, and top bolts penetrate through the mounting holes and are fixed in the threaded blind holes corresponding to the top bolts.
3. The hanging type main pulley device for a walking trolley according to claim 1, wherein: and a first shaft sleeve, a second shaft sleeve and a third shaft sleeve are respectively arranged between the first pulley and the front mounting plate, between the first pulley and the second pulley, and between the second pulley and the rear mounting plate.
4. The hanging type main pulley device for a walking trolley according to claim 1, wherein: and a first bearing and a second bearing are arranged between the first pulley and the pulley shaft and between the second pulley and the pulley shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121418386.XU CN215249254U (en) | 2021-06-25 | 2021-06-25 | Hanging-in type main pulley device for walking trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121418386.XU CN215249254U (en) | 2021-06-25 | 2021-06-25 | Hanging-in type main pulley device for walking trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215249254U true CN215249254U (en) | 2021-12-21 |
Family
ID=79483088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121418386.XU Active CN215249254U (en) | 2021-06-25 | 2021-06-25 | Hanging-in type main pulley device for walking trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215249254U (en) |
-
2021
- 2021-06-25 CN CN202121418386.XU patent/CN215249254U/en active Active
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