CN212899369U

CN212899369U - Follow-on polyurethane leading wheel

Info

Publication number: CN212899369U
Application number: CN202021740315.7U
Authority: CN
Inventors: 洪汝频
Original assignee: Suzhou Pinfa Electromechanical Technology Co ltd
Current assignee: Suzhou Pinfa Electromechanical Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-06
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a follow-on polyurethane leading wheel, comprising a base plate, the connecting hole has been seted up to the top symmetry fixedly connected with backup pad of bottom plate, backup pad, is provided with the main shaft between two backup pads, and the both ends of main shaft outer wall all cup joint with the inner chamber of connecting hole slip, and the leading wheel body has been cup jointed in the main shaft rotation, backup pad fixedly connected with guard plate, and bottom plate fixedly connected with connecting rod, the middle part of connecting rod outer wall slide and have cup jointed the connection lantern ring, the main shaft and the outer wall fixed connection who is connected the lantern ring, and the top of connecting rod outer. The utility model discloses utilize the mode that sets up of guard plate, when polyurethane leading wheel work produced a pressure, the leading wheel just can drive the main shaft and rise, compression spring, when its pressure exceeded its bearing capacity, linear object will with the guard plate contact, and then stop the effort that increases the leading wheel and receive, and then protect the leading wheel, improve its life.

Description

Follow-on polyurethane leading wheel

Technical Field

The utility model relates to a leading wheel field, in particular to follow-on polyurethane leading wheel.

Background

The leading wheel is used for software pipeline or steel wire, the direction guide of the linear object of software removal in-process such as nylon rope, the leading wheel has the pulley structure, the leading wheel can play the effect of province in some project or product, the leading wheel accessory is electric shovel traveling system's important part, its performance plays decisive action to the traveling system's of whole electric shovel stability and fail safe nature, the polyurethane leading wheel has certain flexible performance, thereby can carry out direction guide and protection to linear object such as nylon rope, but the too big polyurethane leading wheel that leads to of pressure between linear object and the polyurethane leading wheel damages, and then the life of reduction polyurethane leading wheel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a follow-on polyurethane leading wheel to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a follow-on polyurethane leading wheel, includes the bottom plate, the top symmetry fixedly connected with backup pad of bottom plate, the connecting hole has been seted up, two at the middle part of backup pad one side be provided with the main shaft between the backup pad, the both ends of main shaft outer wall all cup joint with the inner chamber slip of connecting hole, the middle part of main shaft outer wall is rotated and has been cup jointed the leading wheel body, two equal fixedly connected with guard plate in both sides between the backup pad, the equal fixedly connected with connecting rod in middle part of bottom plate upper surface both sides, the middle part slip of connecting rod outer wall has cup jointed the connection lantern ring, the both ends of main shaft all with the outer wall fixed connection who is connected the lantern ring, the top.

Preferably, the top of the outer wall of the connecting rod is sleeved with a limiting lantern ring in a sliding mode, and the spring is located between the limiting lantern ring and the connecting lantern ring.

Preferably, the top of the outer wall of the connecting rod is provided with an external thread, the top thread of the outer wall of the connecting rod is sleeved with two positioning nuts, and the bottom of one of the two positioning nuts is attached to the top of the limiting sleeve ring.

Preferably, the middle part of the outer wall of the main shaft is sleeved with two positioning sleeve rings in a sliding manner, the two positioning sleeve rings are respectively positioned on two sides of the guide wheel body, and the bottom of each positioning sleeve ring is provided with a limiting plate.

Preferably, the bottom of the outer wall of the positioning sleeve ring is symmetrically and fixedly connected with fixing rods, and the bottom of one side of each fixing rod is fixedly connected with the corresponding limiting plate.

Preferably, the four corners of the upper surface of the bottom plate are all slidably inserted and sleeved with fixing bolts.

The utility model discloses a technological effect and advantage:

(1) the utility model utilizes the arrangement mode of the protection plate, when the polyurethane guide wheel generates a pressure during working, the guide wheel can drive the main shaft to rise, the compression spring is compressed, when the pressure exceeds the bearing capacity of the guide wheel, the linear object can be contacted with the protection plate, and the increase of the acting force on the guide wheel is stopped, so that the guide wheel is protected, and the service life of the guide wheel is prolonged;

(2) the utility model discloses utilize the mode that sets up of connecting rod, the spring that the connecting rod outer wall slides and cup joints can be given elasticity of the connection lantern ring to drive main shaft and leading wheel and have a decurrent effort, and remove the position of fixation nut and the spacing lantern ring and just can change the biggest bearing capacity of leading wheel, and then can adjust its bearing capacity according to different line shape objects, and then improve its practical performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the front internal structure of the present invention.

Fig. 3 is a schematic view of the side structure of the guide wheel of the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a main shaft; 4. a guide wheel body; 5. a protection plate; 6. a connecting rod; 7. a connecting lantern ring; 8. a limiting lantern ring; 9. a spring; 10. positioning a nut; 11. a positioning collar; 12. a limiting plate; 13. fixing the rod; 14. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an improved polyurethane guide wheel as shown in figures 1-3, which comprises a bottom plate 1, four corners of the upper surface of the bottom plate 1 are all slidably inserted and sleeved with fixing bolts 14, the fixing bolts 14 can fix the bottom plate 1 in a proper place, so that the guide wheel body 4 has a stable working state, the top of the bottom plate 1 is symmetrically and fixedly connected with a supporting plate 2, the middle part of one side of the supporting plate 2 is provided with a connecting hole, the connecting hole can limit the position of the main shaft 3, so that the main shaft can only move up and down, a main shaft 3 is arranged between the two supporting plates 2, two ends of the outer wall of the main shaft 3 are both slidably sleeved with the inner cavity of the connecting hole, the guide wheel body 4 is rotatably sleeved at the middle part of the outer wall of the main shaft 3, the guide wheel body 4 is made of polyurethane material, has certain flexibility, and can better protect, the abrasion rate of the guide wheel is reduced, the two sides between the two supporting plates 2 are fixedly connected with the protective plates 5, the bottoms of the protective plates 5 are in a semi-cylindrical shape, so that the guide wheel body 4 is protected, when a linear object is limited, the probability of abrasion of the linear object can be reduced, the guide wheel body 4 and the linear object can be protected, the middle parts of the two sides of the upper surface of the bottom plate 1 are fixedly connected with the connecting rods 6, the middle parts of the outer walls of the connecting rods 6 are slidably sleeved with the connecting lantern rings 7, the two ends of the main shaft 3 are fixedly connected with the outer walls of the connecting lantern rings 7, the top of the outer walls of the connecting rods 6 is slidably sleeved with the springs 9, and the springs 9 can give elasticity to the connecting lantern rings 7, so;

the top of the outer wall of the connecting rod 6 is slidably sleeved with a limiting sleeve ring 8, a spring 9 is positioned between the limiting sleeve ring 8 and a connecting sleeve ring 7, the top of the outer wall of the connecting rod 6 is provided with an external thread, the top thread of the outer wall of the connecting rod 6 is sleeved with two positioning nuts 10, the maximum deformation length of the spring 9 can be changed by rotating the positioning nuts 10, the maximum bearing capacity of the guide wheel body 4 can be changed, the positioning stability of the limiting sleeve ring 8 can be enhanced by the two positioning nuts 10, and the bottom of one positioning nut 10 is attached to the top of the limiting sleeve ring 8;

the middle part of 3 outer walls of main shaft slides and has cup jointed two position collar rings 11, and two position collar rings 11 are located the both sides of leading wheel body 4 respectively, and the bottom of two position collar rings 11 is provided with limiting plate 12, and limiting plate 12 can protect 4 inside linear objects of leading wheel body, reduces linear object and leading wheel body 4 and breaks away from, the bottom symmetry fixedly connected with dead lever 13 of the 11 outer walls of position collar, the bottom and the limiting plate 12 fixed connection of dead lever 13 one side.

The utility model discloses the theory of operation: when the guide wheel body 4 works, firstly, the bottom plate 1 is fixed in a specified area in a certain direction by using the fixing bolt 14, then the maximum bearing capacity of the guide wheel body 4 is adjusted according to the material of a guide rope, namely, the positioning nut 10 is rotated, and further, the limiting lantern ring 8 is lifted or lowered under the supporting force action of the spring 9, so that the initial position of the spring 9 is changed, and when the guide wheel body 4 moves to the protection plate 5, the elastic deformation can be changed as far as possible, and the maximum bearing capacity of the guide wheel body 4 can be changed;

after the guide wheel body 4 is installed and adjusted, a linear object passes through the space between the guide wheel body 4 and the limiting plate 12, so that the guide wheel body 4 guides the linear object, when the linear object is in a stretched state, when the guide wheel body 4 is under an acting force smaller than the maximum bearing capacity, the guide wheel body 4 drives the two connecting lantern rings 7 to ascend through the main shaft 3, and further compresses the springs 9 until the linear object is in a balanced state, when the guide wheel body 4 is under an acting force larger than the maximum bearing capacity, the guide wheel body 4 drives the main shaft 3 to ascend, and further compresses the springs 9 until the linear object is in contact with the protecting plate 5 between the two supporting plates 2, so that the acting force applied on the guide wheel body 4 is reduced, then the linear object is stopped to move, one guide wheel body 4 with larger bearing capacity is replaced, and the probability of damage to the guide wheel body 4 and the linear object is reduced, thereby prolonging the service life of the device.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An improved polyurethane guide wheel comprises a bottom plate (1) and is characterized in that, the top of the bottom plate (1) is symmetrically and fixedly connected with supporting plates (2), the middle part of one side of each supporting plate (2) is provided with a connecting hole, a main shaft (3) is arranged between the two supporting plates (2), both ends of the outer wall of the main shaft (3) are sleeved with the inner cavity of the connecting hole in a sliding manner, the middle part of the outer wall of the main shaft (3) is rotatably sleeved with a guide wheel body (4), both sides between the two supporting plates (2) are fixedly connected with a protective plate (5), the middle parts of both sides of the upper surface of the bottom plate (1) are fixedly connected with connecting rods (6), the middle part of the outer wall of the connecting rod (6) is sleeved with a connecting lantern ring (7) in a sliding way, both ends of the main shaft (3) are fixedly connected with the outer wall of the connecting lantern ring (7), and the top of the outer wall of the connecting rod (6) is sleeved with a spring (9) in a sliding manner.

2. An improved polyurethane guide wheel according to claim 1, wherein the top of the outer wall of the connecting rod (6) is slidably sleeved with a limit collar (8), and the spring (9) is positioned between the limit collar (8) and the connecting collar (7).

3. The improved polyurethane guide wheel as claimed in claim 1, wherein the top of the outer wall of the connecting rod (6) is externally threaded, the top of the outer wall of the connecting rod (6) is sleeved with two positioning nuts (10), and the bottom of one of the positioning nuts (10) is attached to the top of the limiting sleeve ring (8).

4. The improved polyurethane guide wheel as claimed in claim 1, wherein two positioning sleeve rings (11) are slidably sleeved in the middle of the outer wall of the main shaft (3), the two positioning sleeve rings (11) are respectively located at two sides of the guide wheel body (4), and a limiting plate (12) is arranged at the bottom of each positioning sleeve ring (11).

5. The improved polyurethane guide wheel as claimed in claim 4, wherein the fixing rods (13) are symmetrically and fixedly connected to the bottom of the outer wall of the positioning collar (11), and the bottom of one side of the fixing rods (13) is fixedly connected with the limiting plate (12).

6. The improved polyurethane guide wheel as claimed in claim 1, wherein the four corners of the upper surface of the base plate (1) are slidably inserted and sleeved with fixing bolts (14).