Grate cooler driving device

Abstract

The utility model relates to the technical field of grate coolers, in particular to a grate cooler driving device, and aims to solve the problems of high abrasion and oil leakage of hydraulic transmission of a grate cooler in the prior art. The utility model provides a grate cooler driving device which comprises a driving mechanism, a rocker arm mechanism and a base. The rocker arm mechanism comprises an eccentric inner sleeve, an outer sleeve and a pull rod, the outer sleeve sleeves the eccentric inner sleeve, the eccentric inner sleeve can rotate relative to the outer sleeve, one end of the pull rod is connected with the outer sleeve, and the other end of the pull rod is connected with a grate bed of the grate cooler; the driving mechanism is connected with the base, the output end of the driving mechanism penetrates through the eccentric inner sleeve and is connected with the eccentric inner sleeve, and the output end of the driving mechanism can drive the eccentric inner sleeve to rotate so that the pull rod can drive the grate to horizontally move in the direction close to or away from the output end of the driving mechanism. The grate cooler driving device provides stable power for the grate cooler grate bed, and is small in abrasion, simple in structure, easy to machine and convenient to maintain in the later period.

Description

Technical Field

[0001] The utility model relates to the technical field of grate coolers, in particular to a grate cooler driving device. Background Art

[0002] At present, grate coolers often use hydraulic drive, and the force of the hydraulic drive ultimately acts on the pin seat of the joint bearing that fixes the hydraulic cylinder. Under the repeated push and pull force of the hydraulic cylinder, the pin seat and the pin often wear out. At the same time, due to the age of use, the hydraulic cylinder is prone to wear and oil leakage. Utility Model Content

[0003] The utility model aims to provide a grate cooler driving device to solve the problems of severe wear and oil leakage of the grate cooler hydraulic transmission in the prior art.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0005] The utility model provides a grate cooler driving device, comprising: a driving mechanism, a rocker mechanism and a base;

[0006] The rocker mechanism comprises an eccentric inner sleeve, an outer sleeve and a pull rod, wherein the outer sleeve is arranged outside the eccentric inner sleeve, the eccentric inner sleeve can rotate relative to the outer sleeve, one end of the pull rod is connected to the outer sleeve, and the other end is used to connect to the grate bed of the grate cooler;

[0007] The driving mechanism is connected to the base, and the output end of the driving mechanism passes through the eccentric inner sleeve and is connected to the eccentric inner sleeve. The output end of the driving mechanism can drive the eccentric inner sleeve to rotate, so that the pull rod drives the grate bed to move horizontally in a direction close to or away from the output end of the driving mechanism.

[0008] Furthermore,

[0009] The rocker arm mechanism further includes a first bearing;

[0010] The first bearing is arranged between the eccentric inner sleeve and the outer sleeve, the inner ring of the first bearing is connected to the outer wall of the eccentric inner sleeve, and the outer ring of the first bearing is connected to the inner wall of the outer sleeve.

[0011] Furthermore,

[0012] The grate cooler driving device comprises two rocker mechanisms and two driving mechanisms, a coupling is arranged between the two rocker mechanisms, and the two rocker mechanisms are symmetrically arranged at both ends of the coupling;

[0013] The output ends of the two driving mechanisms are connected to the two ends of the coupling respectively.

[0014] Furthermore,

[0015] The driving mechanism comprises a transmission shaft;

[0016] The transmission shaft passes through the eccentric inner sleeve and is connected to the eccentric inner sleeve. The transmission shaft can rotate around its own axis to drive the eccentric inner sleeve to rotate.

[0017] Furthermore,

[0018] The driving mechanism also includes a driving motor;

[0019] The driving motor is connected to the base, and the output end of the driving motor is connected to the transmission shaft. The output end of the driving motor can drive the transmission shaft to rotate around its own axis.

[0020] Furthermore,

[0021] The driving mechanism also includes a reducer;

[0022] The reducer is connected to the base, the reducer is connected to the driving motor, and the output end of the reducer is connected to the transmission shaft to drive the transmission shaft to rotate around its own axis.

[0023] Furthermore,

[0024] The eccentric inner sleeve is mounted on the transmission shaft through a key connection.

[0025] Furthermore,

[0026] Snap rings are arranged on both sides of the eccentric inner sleeve, and the snap rings are connected to the transmission shaft.

[0027] Furthermore,

[0028] The grate cooler driving device also includes a second bearing and a third bearing;

[0029] The transmission shaft passes through the second bearing and the third bearing and is connected to the second bearing and the third bearing; the rocker arm mechanism is arranged between the second bearing seat and the third bearing seat.

[0030] Furthermore,

[0031] The grate cooler driving device also includes a second bearing seat and a third bearing seat;

[0032] The second bearing seat is connected to the base, and the second bearing is installed in the second bearing seat;

[0033] The third bearing seat is connected to the base, and the third bearing is installed in the third bearing seat.

[0034] Based on the above technical solutions, the technical effects that can be achieved by the utility model are:

[0035] In the grate cooler driving device provided by the utility model, the driving mechanism is fixed to the base, and the output end of the driving mechanism is connected to the eccentric inner sleeve, the output end of the driving mechanism drives the eccentric inner sleeve to rotate relative to the outer sleeve, because the driving mechanism is fixed to the base, the position of the output end of the driving mechanism is also fixed relative to the base, so the eccentric inner sleeve will push or pull the pull rod to move when rotating, thereby driving the grate bed to make horizontal movement in the direction close to or away from the output end of the driving mechanism. The grate cooler driving device provided by the utility model adopts a mechanical drive method, and adopts an eccentric transmission method to convert the rotational motion of the output end of the driving mechanism into horizontal linear motion of the grate bed. The grate cooler driving device provided by the utility model can provide stable power for the grate bed of the grate cooler, with little wear, and has a simple structure, easy processing, and is convenient for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 A schematic structural diagram of a grate cooler drive device provided in an embodiment of the utility model;

[0038] Figure 2 A cross-sectional view of the rocker arm mechanism.

[0039] icon:

[0040] 100-driving mechanism; 110-driving motor; 120-reducing machine; 130-transmission shaft; 200-rocker mechanism; 210-eccentric inner sleeve; 220-outer sleeve; 230-pull rod; 240-first bearing; 300-base; 400-coupling; 500-second bearing seat; 600-third bearing seat; 700-first bearing seat; 800-grate bed. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0044] like Figure 1 As shown, the utility model provides a grate cooler drive device, including: a driving mechanism 100, a rocker mechanism 200 and a base 300; the rocker mechanism 200 includes an eccentric inner sleeve 210, an outer sleeve 220 and a pull rod 230, the outer sleeve 220 is sleeved on the outside of the eccentric inner sleeve 210, the eccentric inner sleeve 210 can rotate relative to the outer sleeve 220, one end of the pull rod 230 is connected to the outer sleeve 220, and the other end is used to connect with the grate bed 800 of the grate cooler; the driving mechanism 100 is connected to the base 300, the output end of the driving mechanism 100 passes through the eccentric inner sleeve 210 and is connected to the eccentric inner sleeve 210, the output end of the driving mechanism 100 can drive the eccentric inner sleeve 210 to rotate, so that the pull rod 230 drives the grate bed 800 to move horizontally in a direction close to or away from the output end of the driving mechanism 100.

[0045] In the grate cooler driving device provided by the utility model, the driving mechanism 100 is fixed to the base 300, and the output end of the driving mechanism 100 is connected to the eccentric inner sleeve 210, and the output end of the driving mechanism 100 drives the eccentric inner sleeve 210 to rotate relative to the outer sleeve 220. Since the driving mechanism 100 is fixed to the base 300, the position of the output end of the driving mechanism 100 is also fixed relative to the base 300. Therefore, the eccentric inner sleeve 210 will push or pull the pull rod 230 to move when rotating, thereby driving the grate bed 800 to move horizontally in the direction close to or away from the output end of the driving mechanism 100. The grate cooler driving device provided by the utility model adopts a mechanical drive method, and adopts an eccentric transmission method to convert the rotational motion of the output end of the driving mechanism 100 into a horizontal linear motion of the grate bed 800. The grate cooler driving device provided by the utility model can provide the grate bed 800 of the grate cooler with stable power, less wear, and a simple structure, easy processing, and convenient for later maintenance.

[0046] The following combination Figure 1-Figure 2 The structure and shape of the grate cooler driving device provided in this embodiment are described in detail.

[0047] Regarding the shape and structure of the rocker arm mechanism 200, in detail:

[0048] like Figure 2 As shown, the rocker mechanism 200 includes an eccentric inner sleeve 210, an outer sleeve 220 and a pull rod 230. The outer sleeve 220 is sleeved on the outside of the eccentric inner sleeve 210. The eccentric inner sleeve 210 can rotate relative to the outer sleeve 220. One end of the pull rod 230 is connected to the outer sleeve 220, and the other end is used to connect to the grate bed 800 of the grate cooler.

[0049] In an optional embodiment, one end of the pull rod 230 away from the outer sleeve 220 is connected to the first bearing seat 700, a bearing is arranged in the first bearing seat 700, the outer ring of the bearing is fixed to the first bearing seat 700, and the inner ring of the bearing is connected to the grate bed 800.

[0050] In an optional embodiment, the rocker arm mechanism 200 also includes a first bearing 240, which is arranged between the eccentric inner sleeve 210 and the outer sleeve 220, the inner ring of the first bearing 240 is connected to the outer wall of the eccentric inner sleeve 210, and the outer ring of the first bearing 240 is connected to the inner wall of the outer sleeve 220.

[0051] Specifically, the outer sleeve 220 and the eccentric inner sleeve 210 are connected by the inner and outer rings of the first bearing 240 to ensure free rotation in the circumferential direction, and a retaining ring is used to ensure that they are fixed in the axial direction.

[0052] Regarding the shape and structure of the driving mechanism 100, in detail:

[0053] like Figure 1As shown, the driving mechanism 100 is connected to the base 300, and the output end of the driving mechanism 100 passes through the eccentric inner sleeve 210 and is connected to the eccentric inner sleeve 210. The output end of the driving mechanism 100 can drive the eccentric inner sleeve 210 to rotate, so that the pull rod 230 drives the grate bed 800 to move horizontally in a direction close to or away from the output end of the driving mechanism 100.

[0054] Specifically, the driving mechanism 100 includes a transmission shaft 130 ; the transmission shaft 130 passes through the eccentric inner sleeve 210 and is connected to the eccentric inner sleeve 210 , and the transmission shaft 130 can rotate around its own axis to drive the eccentric inner sleeve 210 to rotate.

[0055] In an optional embodiment, the eccentric inner sleeve 210 is installed on the transmission shaft 130 through a key connection, and retaining rings are provided on both sides of the eccentric inner sleeve 210 , and the retaining rings are connected to the transmission shaft 130 .

[0056] Specifically, the eccentric inner sleeve 210 is installed on the transmission shaft 130, and is fixed to the transmission shaft 130 through key connection and retaining rings at both ends. Among them, the retaining rings are shaft retaining rings.

[0057] On the basis of the above embodiment, the driving mechanism 100 further includes a driving motor 110, the driving motor 110 is connected to the base 300, the output end of the driving motor 110 is connected to the transmission shaft 130, and the output end of the driving motor 110 can drive the transmission shaft 130 to rotate around its own axis. The driving motor 110 is preferably a variable frequency motor.

[0058] On the basis of the above embodiment, the driving mechanism 100 further includes a reducer 120, the reducer 120 is connected to the base 300, the reducer 120 is connected to the driving motor 110, and the output end of the reducer 120 is connected to the transmission shaft 130 to drive the transmission shaft 130 to rotate around its own axis.

[0059] Specifically, the grate cooler drive device provided in this embodiment is a dual-motor drive, the driving motor 110 is connected to the reducer 120 (preferably a flange hollow shaft installed parallel shaft helical gear reducer 120), the output speed is adjusted by the reducer 120, and the required torque is output through the transmission shaft 130. Specifically, the motor is connected to the input end of the reducer 120, the output end of the reducer 120 is connected to one end of the transmission shaft 130, and the flange plate of the reducer 120 is connected to the torque arm seat on the base 300, and the base 300 is fixed to the foundation bolts.

[0060] In an optional embodiment, the present embodiment is further provided with a second bearing, a third bearing, a second bearing seat 500 and a third bearing seat 600, the second bearing seat 500 is connected to the base 300, the second bearing is installed in the second bearing seat 500, the third bearing seat 600 is connected to the base 300, the third bearing is installed in the third bearing seat 600, the transmission shaft 130 passes through the second bearing and the third bearing, and is connected to the second bearing and the third bearing; the rocker arm mechanism 200 is arranged between the second bearing seat 500 and the third bearing seat 600.

[0061] Specifically, the support of the transmission shaft 130 is provided by two positioning bearing seats. The bearings in the bearing seats ensure the rotation accuracy of the transmission shaft 130 and reduce the friction coefficient. The second bearing seat 500 and the third bearing seat 600 are both connected to the base 300 with bolts, and the rocker mechanism 200 is installed between the two bearing seats.

[0062] On the basis of the above embodiment, further, the above is a part of the grate cooler drive device provided in this embodiment, and the other part is a mirror image of this part, and the ends of the two parts of the transmission shaft 130 are connected by a coupling 400. Specifically, this embodiment is provided with two rocker mechanisms 200, two driving mechanisms 100 and two bases 300, and a coupling 400 is provided between the two rocker mechanisms 200. The two rocker mechanisms 200 are symmetrically arranged at both ends of the coupling 400; the output ends of the two driving mechanisms 100 are respectively connected to the two ends of the coupling 400. The synchronous output torque is ensured by the coupling 400, and the rotational motion of the transmission shaft 130 is converted into the horizontal linear motion of the grate bed 800 by each rocker mechanism 200.

[0063] The grate cooler driving device provided in this embodiment is referred to Figure 2 , through the rotation of the transmission shaft 130, the eccentric inner sleeve 210 is driven to rotate (such as Figure 2 As shown by the arrow on the eccentric inner sleeve 210, the pull rod 230 is driven to swing and move, and the pull rod 230 drives the grate bed 800 to reciprocate in the horizontal direction (as shown in FIG. Figure 2 The grate bed 800 is constrained to move in a horizontal reciprocating direction. The grate cooler drive device provided in this embodiment provides a stable and reliable power for the grate bed 800 of the grate cooler, and has a simple structure and modular installation. It has the advantages of low manufacturing cost, easy processing, and low energy loss during transmission. The driving method in the prior art has a high maintenance cost. Compared with the prior art, the present embodiment has the characteristic of low maintenance cost.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A grate cooler driving device, characterized in that: include: A driving mechanism (100), a rocker mechanism (200) and a base (300); The rocker mechanism (200) comprises an eccentric inner sleeve (210), an outer sleeve (220) and a pull rod (230); the outer sleeve (220) is sleeved on the outside of the eccentric inner sleeve (210); the eccentric inner sleeve (210) is rotatable relative to the outer sleeve (220); one end of the pull rod (230) is connected to the outer sleeve (220), and the other end is used to be connected to the grate bed (800) of the grate cooler; The driving mechanism (100) is connected to the base (300), and the output end of the driving mechanism (100) passes through the eccentric inner sleeve (210) and is connected to the eccentric inner sleeve (210). The output end of the driving mechanism (100) can drive the eccentric inner sleeve (210) to rotate, so that the pull rod (230) drives the grate bed (800) to move horizontally in a direction close to or away from the output end of the driving mechanism (100).

2. The grate cooler driving device according to claim 1, characterized in that: The rocker arm mechanism (200) further includes a first bearing (240); The first bearing (240) is arranged between the eccentric inner sleeve (210) and the outer sleeve (220); the inner ring of the first bearing (240) is connected to the outer wall of the eccentric inner sleeve (210); and the outer ring of the first bearing (240) is connected to the inner wall of the outer sleeve (220).

3. The grate cooler driving device according to claim 1, characterized in that: It comprises two rocker arm mechanisms (200) and two drive mechanisms (100), a coupling (400) is arranged between the two rocker arm mechanisms (200), and the two rocker arm mechanisms (200) are symmetrically arranged at two ends of the coupling (400); The output ends of the two driving mechanisms (100) are respectively connected to the two ends of the coupling (400).

4. The grate cooler driving device according to claim 1, characterized in that: The driving mechanism (100) comprises a transmission shaft (130); The transmission shaft (130) passes through the eccentric inner sleeve (210) and is connected to the eccentric inner sleeve (210); the transmission shaft (130) can rotate around its own axis to drive the eccentric inner sleeve (210) to rotate.

5. The grate cooler driving device according to claim 4, characterized in that: The driving mechanism (100) further comprises a driving motor (110); The drive motor (110) is connected to the base (300), and the output end of the drive motor (110) is connected to the transmission shaft (130). The output end of the drive motor (110) can drive the transmission shaft (130) to rotate around its own axis.

6. The grate cooler driving device according to claim 5, characterized in that: The driving mechanism (100) further includes a reducer (120); The reducer (120) is connected to the base (300), the reducer (120) is connected to the drive motor (110), and the output end of the reducer (120) is connected to the transmission shaft (130) to drive the transmission shaft (130) to rotate around its own axis.

7. The grate cooler driving device according to claim 4, characterized in that: The eccentric inner sleeve (210) is mounted on the transmission shaft (130) via a key connection.

8. The grate cooler driving device according to claim 4, characterized in that: Securing rings are provided on both sides of the eccentric inner sleeve (210), and the securing rings are connected to the transmission shaft (130).

9. The grate cooler driving device according to claim 4, characterized in that: Also included is a second bearing and a third bearing; The transmission shaft (130) passes through the second bearing and the third bearing, and is connected to the second bearing and the third bearing; the rocker arm mechanism (200) is arranged between the second bearing and the third bearing.

10. The grate cooler driving device according to claim 9, characterized in that: Also includes a second bearing seat (500) and a third bearing seat (600); The second bearing seat (500) is connected to the base (300), and the second bearing is installed in the second bearing seat (500); The third bearing seat (600) is connected to the base (300), and the third bearing is installed in the third bearing seat (600).

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