CN220074574U - Towing pulley wheel quick replacement device - Google Patents
Towing pulley wheel quick replacement device Download PDFInfo
- Publication number
- CN220074574U CN220074574U CN202321673976.6U CN202321673976U CN220074574U CN 220074574 U CN220074574 U CN 220074574U CN 202321673976 U CN202321673976 U CN 202321673976U CN 220074574 U CN220074574 U CN 220074574U
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- nut
- handle
- wheels
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- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model relates to a towing pulley wheel quick replacement device which comprises a handle, a screw, a supporting seat, a nut and a hanging frame, wherein the handle is arranged on the screw; the handle is fixedly connected with the screw rod; the lower section of the screw rod close to the tail part is of an external thread structure; the support seat is of a hollow structure axially inside, and a rotatable connecting structure is arranged between the support seat and the bottom of the screw; the hanging rack comprises a supporting plate, a connecting plate and pull legs; the supporting plate is of a through hole structure in the middle; the connecting plates are symmetrically arranged on the inner sides of the back parts of the two ends of the supporting plate; the pull legs are respectively and transversely integrally connected with the bottom of the connecting plate; the nut is fixed at the back through hole of the supporting plate; the lower section of the screw rod passes through the through hole and is connected with the internal and external threads of the nut in a matching way. The advantages are as follows: the device is time-saving and labor-saving, achieves a good operation effect with less manpower and material resources, can improve the wheel replacement efficiency, reduces the equipment downtime, and avoids the influence on production.
Description
Technical Field
The utility model relates to the technical field of towing pulleys, in particular to a device for quickly replacing wheels of a towing pulley.
Background
The trolley on the travelling crane runs, mobile power supply is carried out through a cable hung by the towing trolley, the environment of a converter steelworks is severe, and wheels on the towing trolley cannot be normally used due to bearing damage and locking after the towing trolley is used for a period of time due to the influence of high temperature and dust. In the past when changing the pulley wheel, often earlier with iron wire ligature fixed coaster, by the iron wire bearing after, remove again to tear open the pulley wheel, because the iron wire can not be fine lift the coaster with the cable of hanging, still need alone to use the crow bar cooperation in the dismouting process, the change process is more troublesome, wastes time and energy and influences production easily.
Disclosure of Invention
The utility model aims to provide a towing pulley wheel quick replacement device which is used for solving the problems of complex replacement process, time and labor waste of the existing pulley wheels.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the quick replacement device for the towing pulley wheels comprises a handle, a screw, a supporting seat, a nut and a hanging frame; the handle is fixedly connected with the screw rod; the lower section of the screw rod close to the tail part is of an external thread structure; the support seat is of a hollow structure axially inside, and a rotatable connecting structure is arranged between the support seat and the bottom of the screw; the hanging rack comprises a supporting plate, a connecting plate and pull legs; the supporting plate is of a through hole structure in the middle; the connecting plates are symmetrically arranged on the inner sides of the back parts of the two ends of the supporting plate; the pull legs are respectively and transversely integrally connected with the bottom of the connecting plate; the nut is fixed at the back through hole of the supporting plate; the lower section of the screw rod passes through the through hole and is connected with the internal and external threads of the nut in a matching way.
As a preferable technical scheme, the upper section of the screw is also provided with an external thread structure, and the periphery of the external thread structure is provided with an internal thread sleeve matched with the external thread structure; inclined pull rods are arranged around the surface of the supporting plate; the top of the diagonal draw bar is fixedly connected with the sleeve respectively.
As a preferable technical scheme, the outer end face of the pull leg is rotatably provided with a protective rod.
As a preferable technical scheme, a bearing connection rotation mode is adopted between the bottom of the screw and the supporting seat.
As a preferable technical scheme, the tail end of the handle is in a vertical structure with the top of the screw.
As a preferable technical scheme, the supporting seat is of a truncated cone-shaped structure, and the supporting plate is of a rectangular structure.
The utility model has the advantages that:
1. the screw lower section and the nut are in threaded rotation connection structure, and the rotatable connection structure is arranged between the bottom and the supporting seat, so that when the screw is rotated anticlockwise through the handle, the internal and external thread structures between the screw and the nut form opposite acting forces, the hanger is lifted upwards, time and labor are saved, and replacement efficiency can be improved.
2. The supporting seat is of a round table-shaped structure, and all parts of the hanging frame are integrally connected, so that the stability of the whole support of the device is guaranteed.
3. The protective rod can be rotated upwards to be in a vertical structure with the pull leg after the pull leg penetrates into the towing pulley hanging bracket, so that the pull leg is prevented from slipping from the towing pulley hanging bracket in the process of replacing wheels.
4. The inclined pull rod is arranged around the surface of the supporting plate, the top of the inclined pull rod is fixedly connected with the sleeve, and the hanging frame and the sleeve can move upwards or downwards together when the screw rod rotates.
Drawings
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Fig. 1 is a schematic perspective view of a device for quickly replacing wheels of a towing pulley according to the present utility model.
Fig. 2 is a front view of a streamer pulley wheel quick change device of the utility model.
Fig. 3 is a left side view of a streamer pulley wheel quick change device of the utility model.
Fig. 4 is a schematic plan view of a quick-change device for wheels of a streamer pulley according to the utility model.
FIG. 5 is a schematic view of the use of a quick change device for a streamer pulley wheel according to the utility model.
Fig. 6 is a schematic perspective view of another quick change device for a streamer pulley wheel according to the utility model.
Fig. 7 is a schematic perspective view of another quick-change device for wheels of a streamer pulley according to the utility model.
In the figure:
1. a handle; 2. a screw; 21. an external thread structure; 3. a support base; 4. a nut; 5. a hanging rack; 51. a support plate; 52. a connecting plate; 53. pulling legs; 54. a protective rod; 6. a sleeve; 61. and a diagonal draw bar.
Detailed Description
The following detailed description of the utility model provides specific embodiments with reference to the accompanying drawings.
Example 1
Referring to fig. 1, fig. 1 is a schematic perspective view of a quick wheel replacement device for a towing pulley according to the present utility model. A towing pulley wheel quick replacement device comprises a handle 1, a screw rod 2, a supporting seat 3, a nut 4 and a hanging frame 5; the handle 1 and the screw rod 2 are in a vertical fixed connection structure; the lower section of the screw rod 2 near the tail part is an external thread structure 21; the supporting seat 3 is in a truncated cone-shaped structure, the axial inner part is of a hollow structure, and a rotatable connecting structure is arranged between the supporting seat and the bottom of the screw 2; the hanger 5 comprises a support plate 51, a connecting plate 52 and a pull leg 53; the supporting plate 5 is of a rectangular structure with a through hole in the middle; the connecting plates 52 are symmetrically arranged on the inner sides of the back parts of the two ends of the supporting plate 51; the pull legs 53 are respectively and transversely integrally connected with the bottom of the connecting plate 52; the nut 4 is fixed at the through hole at the back of the supporting plate 51; the lower section of the screw rod 2 passes through the through hole and is connected with the internal and external threads of the nut 4 in a matching way.
It should be noted that: the handle (1) is made of scrapped PC steel bars and steel balls, the length of the handle 1 is not shorter than that of the screw rod 2, and the torque of the handle 1 during rotation can be increased, so that a labor-saving effect is achieved; the lower section of the screw rod 2 and the nut 4 are in a threaded fit rotation connection structure, and the bottom and the supporting seat 3 are in a rotatable connection structure, so that when the screw rod 2 is rotated anticlockwise through the handle 1, opposite acting forces are formed by the internal and external thread structures between the screw rod 2 and the nut 4, and then the hanging frame 5 is lifted upwards; the supporting seat 3 and the bottom of the screw 2 can be rotatably connected by adopting a bearing (such as a ball or a roller, etc.); the supporting seat 3 is of a truncated cone-shaped structure, and all parts of the hanging frame 5 are integrally connected, so that the stability of the whole support of the device is guaranteed; the supporting seat (3) is reformed by using scrapped pulley wheels, and the hanging frame (5) is made of scrapped flat-bulb steel, so that the cost is low.
Principle of operation (see fig. 5): the supporting seat 3 is placed on an I-shaped steel track of the towing pulley, two pull legs 53 on the hanging frame 5 penetrate and are hung on the hanging frame of the towing pulley, the rotating handle 1 rotates between the screw rod 2 and the supporting seat 3, a reaction force is formed between the nut 4 and the screw rod 2, the hanging frame 5 is jacked up, the towing pulley is lifted off the track, when the pulley wheel is not stressed any more, the pulley wheel can be dismounted, after the replacement of the pulley wheel is completed, the handle is rotated reversely, the pulley is placed on the track, a special tool is dismounted, and the time and the labor are saved for dismounting the pulley wheel.
Example 2
Referring to fig. 6, fig. 6 is a schematic perspective view of another quick wheel replacement device for a cable pulley according to the present utility model. The present embodiment is basically the same as embodiment 1, except that the outer end surface of the pull leg 53 in the present embodiment is rotatably provided with a protection lever 54; the protection rod 54 is in a horizontal and vertical structure with the pull leg 53 when not in use, and after the pull leg 53 penetrates into the towing pulley hanging bracket, the protection rod 54 can be rotated upwards to be in a vertical and vertical structure with the pull leg 53, so that a protection effect is achieved, and the pull leg 53 is prevented from slipping off from the towing pulley hanging bracket in the process of replacing wheels.
Example 3
Referring to fig. 7, fig. 7 is a schematic perspective view of another device for quickly replacing wheels of a towing pulley according to the present utility model. The embodiment is basically the same as embodiment 1, except that the upper section of the screw rod 2 in the embodiment is also provided with an external thread structure 21, and the periphery of the external thread structure 21 is provided with a sleeve 6 matched with the internal thread; diagonal draw bars 61 are arranged around the surface of the supporting plate 51 in the embodiment; the top of the diagonal draw bar 61 is fixedly connected with the sleeve 6 respectively; in this embodiment, through being equipped with diagonal draw bars 61 around backup pad 51 surface, and diagonal draw bars 61 top and sleeve pipe 6 fixed connection, when screw rod 2 rotates, stores pylon 5 can upwards or downwardly move together with sleeve pipe 6, and the purpose is, plays the gravity that alleviates stores pylon 5 whole and bears, prevents that stores pylon 5 from producing the deformation problem after the multiple use, improves device stability and life.
According to the quick-change towing cable car wheel device, a threaded rotary connection structure is arranged between the lower section of the screw rod and the nut, and a rotatable connection structure is arranged between the bottom and the supporting seat, so that when the screw rod is rotated anticlockwise through the handle, opposite acting forces are formed by the internal and external threaded structures between the screw rod and the nut, and then the hanging frame is lifted upwards; the supporting seat is of a truncated cone-shaped structure, and all parts of the hanging frame are integrally connected, so that the stability of the whole support of the device is guaranteed; the protective rod can rotate upwards to be in a vertical structure with the pull leg after the pull leg penetrates into the towing pulley hanging bracket, so that the pull leg is prevented from slipping from the towing pulley hanging bracket in the process of replacing wheels; the inclined pull rod is arranged around the surface of the supporting plate, the top of the inclined pull rod is fixedly connected with the sleeve, and the hanging frame and the sleeve can move upwards or downwards together when the screw rod rotates.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and additions may be made to those skilled in the art without departing from the method of the present utility model, which modifications and additions are also to be considered as within the scope of the present utility model.
Claims (6)
1. The quick replacing device for the towing pulley wheels is characterized by comprising a handle (1), a screw (2), a supporting seat (3), a nut (4) and a hanging frame (5); the handle (1) is fixedly connected with the screw rod (2); the lower section of the screw (2) close to the tail part is provided with an external thread structure (21); the support seat (3) is of a hollow structure in the axial direction, and a rotatable connecting structure is arranged between the support seat and the bottom of the screw (2); the hanging rack (5) comprises a supporting plate (51), a connecting plate (52) and pull legs (53); the middle part of the supporting plate (5) is of a through hole structure; the connecting plates (52) are symmetrically arranged on the inner sides of the back parts of the two ends of the supporting plate (51); the pull legs (53) are respectively and transversely integrally connected with the bottom of the connecting plate (52); the nut (4) is fixed at the back through hole of the supporting plate (51); the lower section of the screw rod (2) passes through the through hole and is connected with the internal and external threads of the nut (4) in a matching way.
2. The quick replacing device for the towing pulley wheels according to claim 1, wherein the upper section of the screw (2) is also provided with an external thread structure (21), and an internal thread sleeve (6) matched with the external thread structure (21) is arranged at the periphery of the external thread structure (21); inclined pull rods (61) are arranged around the surface of the supporting plate (51); the top of the diagonal draw bar (61) is fixedly connected with the sleeve (6) respectively.
3. The quick replacement device for wheels of a towing pulley according to claim 1, wherein the outer end surface of the pull leg (53) is rotatably provided with a protective rod (54).
4. The quick replacement device for wheels of a towing pulley according to claim 1, wherein a bearing connection rotation mode is adopted between the bottom of the screw (2) and the supporting seat (3).
5. The quick replacement device for wheels of a towing pulley according to claim 1, wherein the tail end of the handle (1) is in a vertical structure with the top of the screw (2).
6. The quick replacement device for wheels of a towing pulley according to claim 1, wherein the supporting base (3) has a truncated cone-shaped structure, and the supporting plate (5) has a rectangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321673976.6U CN220074574U (en) | 2023-06-29 | 2023-06-29 | Towing pulley wheel quick replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321673976.6U CN220074574U (en) | 2023-06-29 | 2023-06-29 | Towing pulley wheel quick replacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220074574U true CN220074574U (en) | 2023-11-24 |
Family
ID=88814874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321673976.6U Active CN220074574U (en) | 2023-06-29 | 2023-06-29 | Towing pulley wheel quick replacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220074574U (en) |
-
2023
- 2023-06-29 CN CN202321673976.6U patent/CN220074574U/en active Active
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