CN219585727U - Brake shoe structure and crane brake - Google Patents
Brake shoe structure and crane brake Download PDFInfo
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- CN219585727U CN219585727U CN202321204180.6U CN202321204180U CN219585727U CN 219585727 U CN219585727 U CN 219585727U CN 202321204180 U CN202321204180 U CN 202321204180U CN 219585727 U CN219585727 U CN 219585727U
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- brake
- brake shoe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a brake shoe structure and a crane brake, wherein the brake shoe structure comprises a brake head, a brake shoe sheet and a locking component; the brake head is provided with a mounting channel along the length direction, one side of the mounting channel in the thickness direction of the brake head is opened, and the brake head is provided with a matching part; the brake shoe sheet is provided with a braking surface, the brake tile is provided with a clamping part and a limiting part corresponding to the matching part, the clamping part and the limiting part are positioned outside the braking surface, the brake shoe sheet is arranged in the mounting channel in a sliding manner, the brake shoe sheet can be separated from the mounting channel in a sliding manner along the length direction of the mounting channel, the braking surface is positioned outside the opening of the mounting channel, and the limiting part is matched with the matching part; the locking assembly comprises a locking part which is arranged on the brake head and corresponds to the clamping part, and the locking part can move along the thickness direction of the brake head. In the scheme, when the brake shoe structure is worn, only the brake tile is needed to be replaced, the whole brake shoe structure is not needed to be replaced, and the cost is saved; and the replacement operation of the brake shoe sheet is simple and convenient, and the replacement efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of brakes, in particular to a brake shoe structure and a crane brake.
Background
The crane is an important hoisting operation device for ports and wharfs, and comprises a lifting mechanism, a slewing mechanism, an amplitude changing mechanism and an operation mechanism, wherein each mechanism is provided with corresponding auxiliary equipment for assisting the main equipment in carrying out related operation. The crane brake is one of the devices for decelerating and stopping the crane in the crane running process, and the safety in the crane stopping process is directly determined by the quality of the working performance of the brake. The existing brakes all rely on the friction of brake shoes and crane wheels to realize braking.
For example, patent CN 206590814U discloses a brake for a crane, which adopts a hydraulic rod direct braking design, has fast braking speed and quick response, and is provided with a spring buffer rod for protection, so that the support frame is prevented from being excessively large due to impact force. However, since the brake shoe is worn seriously and aged fast due to long-term friction with the crane wheel, the braking effect is lowered, and thus the brake shoe needs to be replaced after a period of use. The brake (shoe) in the above patent is directly fixed on the support, which results in inconvenient replacement of the shoe after wear, and relatively high cost because the entire shoe needs to be replaced after wear.
Disclosure of Invention
In view of the above, it is necessary to provide a brake shoe structure and a crane brake for solving the technical problems that in the prior art, the brake shoe is directly fixed on the supporting member, so that the brake shoe is inconvenient to replace after being worn, the whole brake shoe needs to be replaced after the brake shoe is worn, and the cost is relatively high.
The utility model provides a brake shoe structure for a crane brake, comprising:
a brake head, along its length direction, is penetrated with a mounting channel, the mounting channel is arranged at one side of the brake head in the thickness direction in an open way, and the brake head is provided with a matching part;
the brake shoe comprises a brake shoe body, a brake shoe sheet and a brake head, wherein the brake shoe body is provided with a brake surface, a clamping part is arranged on the brake shoe body, a limit part is arranged corresponding to the matching part, the clamping part and the limit part are positioned outside the brake surface, the brake shoe sheet is arranged in the installation channel in a sliding manner and can be separated from the installation channel in a sliding manner along the length direction of the installation channel, the brake surface is positioned outside the opening of the installation channel, and the limit part is matched with the matching part so as to limit the brake shoe sheet from being separated from the brake shoe head from the opening of the installation channel; the method comprises the steps of,
the locking assembly comprises a locking part which is arranged on the brake head and corresponds to the clamping part, the locking part can move along the thickness direction of the brake head so as to be clamped with or separated from the clamping part, and the brake shoe sheet can be limited to move along the length direction of the brake head during clamping.
Optionally, the limiting part is a limiting block protruding from two lateral sides of the brake shoe sheet, two lateral side walls of the mounting channel in the lateral direction of the brake shoe sheet are concavely provided with matching grooves, and the matching grooves extend along the length direction of the brake shoe head to form the matching part;
the limiting blocks are slidably arranged in the corresponding matching grooves.
Optionally, the limiting block extends along the length direction of the brake head.
Optionally, the brake head is provided with a locking hole along the thickness direction, and the clamping part is a clamping hole which is arranged on the brake tile and communicated with the locking hole;
the locking part comprises a locking rod which can move along the thickness direction of the brake head and can penetrate through the locking hole to be arranged in the clamping hole so as to limit the brake shoe sheet to move along the length direction of the brake head.
Optionally, an elastic reset piece is arranged between the locking rod and the inner wall of the locking hole, so that the locking rod can be reset from a position penetrating through the clamping hole to a position separating from the clamping hole.
Optionally, the locking rod is radially provided with a plug hole in a penetrating manner, and when the locking rod is located at a position separated from the clamping hole, the plug hole extends out of one side of the locking hole away from the brake tile;
the locking assembly further comprises a bolt, and when the locking rod is in a position separated from the clamping hole, the bolt is inserted into the inserting hole so as to limit the locking rod to penetrate through the clamping hole from the locking hole.
Optionally, the clamping hole is arranged at one end far away from the brake head in a blind hole.
Optionally, screw holes are respectively arranged at two ends of the brake head in the length direction of the brake head, and the screw holes correspond to the mounting channels;
the locking assembly further comprises two fixing plates and two groups of screw-connection pieces, the two fixing plates are respectively covered at two ends of the installation channel in the length direction of the brake head, each fixing plate corresponds to adjacent screw holes to penetrate through fixing holes, and each group of screw-connection pieces are in screw connection with the corresponding fixing holes and screw holes.
Optionally, positioning columns are further provided at two ends of the brake head in the length direction in a protruding manner, each fixing plate is provided with a positioning hole in a concave manner corresponding to the adjacent positioning column, and the positioning columns can be inserted into the corresponding positioning holes.
In addition, the utility model also provides a crane brake, which comprises the brake shoe structure.
Compared with the prior art, in the brake shoe structure provided by the utility model, when the brake tile is installed, one end of the brake tile, which is positioned in the length direction of the brake head from the installation channel, is placed in the installation channel so as to be positioned on two side walls of the brake shoe sheet in the transverse direction through the installation channel, and the brake tile is limited to transversely move; simultaneously, the limit part is matched with the matching part to limit the brake tile to be separated from the mounting channel from the opening of the mounting channel; in addition, after the brake shoe sheet completely enters the installation channel, the locking part is moved to a locking position clamped with the clamping part, so that the brake tile is limited to move along the length direction of the brake shoe head through the cooperation of the locking part and the clamping part, and the installation and the fixation of the brake tile are realized. When the brake shoe is worn and needs to be replaced, the locking part is moved from the locking position to the detaching position separated from the clamping part, at the moment, the worn brake shoe sheet can move along the length direction of the brake head until the brake shoe sheet is completely separated from the mounting channel, and then a new brake tile is replaced and fixed. Therefore, when the brake shoe structure is worn, only the brake tile is needed to be replaced, and the whole brake shoe structure is not needed to be replaced, so that the cost is saved; and the replacement operation of the brake shoe sheet is simple and convenient, and the replacement efficiency is improved.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and its details set forth in the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of an embodiment of a brake shoe construction provided by the present utility model;
FIG. 2 is a schematic cross-sectional view of the brake shoe construction of FIG. 1;
FIG. 3 is a schematic view of the structure of the brake tile of FIG. 1;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic view of the brake head of FIG. 1;
FIG. 6 is an enlarged schematic view at B in FIG. 5;
FIG. 7 is an enlarged schematic view of FIG. 5 at C;
FIG. 8 is an enlarged schematic view of FIG. 2D;
FIG. 9 is a schematic view of the locking lever of FIG. 2;
FIG. 10 is a schematic view of the structure of the fixing plate in FIG. 1;
fig. 11 is a schematic structural diagram of an embodiment of a crane brake provided by the present utility model.
Reference numerals illustrate:
100-brake shoe structure, 1-brake tile, 11-braking face, 12-spacing portion, 121-stopper, 13-block portion, 13 a-card hole, 2-brake head, 2 a-installation passageway, 2 b-locking hole, 2 c-screw, 21-mating portion, 21 a-mating groove, 22-reference column, 3-locking subassembly, 31-locking portion, 311-locking pole, 311 a-jack hole, 32-elastic reset piece, 33-fixed plate, 33 a-fixed hole, 33 b-locating hole, 34-screw piece, 200-hoist brake, 210-stand.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 8, the brake shoe structure 100 is used for a crane brake 200, and the brake shoe structure 100 comprises a brake tile 1, a brake head 2 and a locking assembly 3; the brake head 2 is provided with a mounting channel 2a along the length direction, one side of the mounting channel 2a in the thickness direction of the brake head 2 is opened, and the brake head 2 is provided with a matching part 21; the brake tile 1 is provided with a braking surface 11, the brake shoe 1 is provided with a clamping part 13 and a limiting part 12 corresponding to the matching part 21, the clamping part 13 and the limiting part 12 are positioned outside the braking surface 11, the brake shoe 1 is arranged in the mounting channel 2a in a sliding manner and can be separated from the mounting channel 2a in a sliding manner along the length direction of the mounting channel 2a, the braking surface 11 is positioned outside the opening of the mounting channel 2a, and the limiting part 12 is matched with the matching part 21 so as to limit the brake tile 1 from being separated from the brake head 2 from the opening of the mounting channel 2a; the locking assembly 3 comprises a locking part 31 which is arranged on the brake head 2 and corresponds to the clamping part 13, wherein the locking part 31 can move along the thickness direction of the brake head 2 so as to be clamped or separated with the clamping part 13, and can limit the brake tile 1 to move along the length direction of the brake head 2 during clamping. Specifically, the locking portion 31 is movable in the thickness direction of the brake head 2 to have a locking position close to the engaging portion 13 and a detaching position away from the engaging portion 13, and the locking portion 31 is engaged with the engaging portion 13 when in the locking position to restrict the brake tile 1 from moving in the length direction of the brake head 2 and is disengaged from the engaging portion 13 when in the detaching position.
In the brake shoe structure 100 provided by the utility model, when the brake tile 1 is installed, one end of the brake tile 1, which is positioned in the length direction of the brake head 2 from the installation channel 2a, is placed in the installation channel 2a so as to limit the lateral movement of the brake tile 1 through the two side walls of the installation channel 2a, which are positioned in the lateral direction of the brake tile 1; simultaneously, the limit part 12 is matched with the matching part 21 to limit the brake tile 1 to be separated from the installation channel 2a from the opening of the installation channel 2a; in addition, after the brake shoe 1 completely enters the mounting channel 2a, the locking portion 31 is moved to the locking position, so that the brake tile 1 is restricted from moving along the length direction of the brake head 2 by the cooperation of the locking portion 31 and the clamping portion 13, and thus, the mounting and fixing of the brake tile 1 are realized. When the brake shoe is worn and needs to be replaced, the locking part 31 is moved from the locking position to the dismounting position, and at this time, the worn brake shoe sheet 1 can move along the length direction of the brake head 2 until the brake shoe sheet is completely separated from the mounting channel 2a, and then a new brake shoe sheet 1 is replaced and fixed. Therefore, in the present solution, when the brake shoe structure 100 is worn, only the brake tile 1 needs to be replaced, and the whole brake shoe structure 100 does not need to be replaced, so that the cost is saved; and the replacement operation of the brake shoe sheet 1 is simple and convenient, and the replacement efficiency is improved.
In this embodiment, the brake head 2 is fixed to the upright 210 of the crane brake 200. In the example of the drawings, the length direction, thickness direction and transverse direction of the brake head 2 and the brake head 1 are shown as F1, F2 and F3, respectively.
Further, the limiting part 12 is a limiting block 121 protruding from two lateral sides of the brake tile 1, the two lateral sides of the mounting channel 2a in the lateral direction of the brake shoe sheet 1 are concavely provided with a matching groove 21a, and the matching groove 21a extends along the length direction of the brake head 2 to form a matching part 21; wherein, the limiting blocks 121 are slidably disposed in the corresponding matching grooves 21 a. In the present embodiment, the stopper 121 is slidably provided in the fitting groove 21a to restrict the escape of the brake tile 1 from the open side of the mounting passage 2a, so that the structure is simple and reliable. Specifically, the stopper 121 is extended along the length direction of the brake head 2 to improve the stopping ability of the engaging groove 21a on the stopper 121.
Further, the brake head 2 is provided with a locking hole 2b along the thickness direction, and the clamping part 13 is a clamping hole 13a which is arranged on the brake tile 1 and is communicated with the locking hole 2 b; the locking portion 31 includes a locking lever 311, and the locking lever 311 is movable in the thickness direction of the brake head 2, is inserted into the locking hole 13a from the locking hole 2b when in the locking position, and is disengaged from the locking hole 13a when in the removing position. In this scheme, when the locking rod 311 moves to the locking position, it is simultaneously inserted into the locking hole 2b and the locking hole 13a to restrict the movement of the brake tile 1 along the length direction of the brake head 2, thereby fixing the brake shoe sheet 1. When the brake tile 1 needs to be replaced, the locking rod 311 is moved to the disassembly position in the direction away from the brake tile 1, so that the locking rod 311 is separated from the clamping hole 13a, and the brake tile 1 can move along the length direction of the brake head 2 to be separated from the brake head 2, and the brake tile is simple and convenient to operate and simple in structure.
Further, an elastic restoring member 32 is provided between the locking lever 311 and the inner wall of the locking hole 2b, so that the locking lever 311 can be restored from the detached position to the locked position. So, after installing the brake shoe 1 in the installation passageway 2a completely, the locking lever 311 can be from keeping away from the position activity of card hole 13a to inserting the position of locating card hole 13a under the drive of elasticity reset piece 32 to realize the fixed to brake shoe 1, make the change operation of brake shoe 1 more convenient. In the present embodiment, the elastic restoring member 32 is a compression spring.
Specifically, referring to fig. 9, the locking lever 311 is radially provided with a plugging hole 311a, and when the locking lever 311 is in the detached position, the plugging hole 311a extends out of one side of the locking hole 2b away from the brake tile 1; the locking assembly 3 further includes a latch (not shown in the drawings) which is inserted into the insertion hole 311a when the locking lever 311 is in the detached position, so as to restrict the locking lever 311 from moving from the detached position to the locked position. That is, when the brake tile 1 needs to be replaced, the locking rod 311 is moved from the locking position to the disassembling position, at this time, the inserting hole 311a extends out of one side of the locking hole 2b away from the brake tile 1, so that the bolt is conveniently inserted into the inserting hole 311a, and interference is generated between the bolt and one side of the brake head 2 away from the brake tile 1, so as to limit the locking rod 311 from the disassembling position to the locking position, and further facilitate taking and placing of the brake shoe 1.
Further, to ensure the braking effect of the braking surface 11, in this embodiment, the clamping hole 13a is provided as a blind hole at the end remote from the brake head 2. In this way, the blocking hole 13a is prevented from damaging the integrity of the braking surface 11, and the braking effect of the braking surface 11 is ensured.
Further, referring to fig. 10, the brake head 2 is provided with screw holes 2c at both ends in the length direction thereof, the screw holes 2c corresponding to the mounting channels 2a; the locking assembly 3 further comprises two fixing plates 33 and two sets of screw connectors 34, the two fixing plates 33 are respectively covered at two ends of the installation channel 2a in the length direction of the brake head 2, each fixing plate 33 is correspondingly provided with a fixing hole 33a in a penetrating mode corresponding to the adjacent screw hole 2c, and each set of screw connectors 34 are in screw connection with the corresponding fixing hole 33a and the screw hole 2c. In this embodiment, after a new brake shoe 1 is installed in the installation channel 2a, two fixing plates 33 are respectively fixed at the upper and lower ends of the installation channel 2a by screw connectors 34, so as to further avoid the brake tile 1 moving along the length direction of the brake head 2, and make the installation of the brake shoe 1 more stable.
Further, in order to facilitate centering of the fixing hole 33a in the screw hole 2c, in this embodiment, the brake head 2 is further provided with positioning posts 22 protruding from both ends in the length direction thereof, each fixing plate 33 is provided with a positioning hole 33b corresponding to the adjacent positioning post 22, and the positioning post 22 can be inserted into the corresponding positioning hole 33 b. Thus, when the fixing plate 33 is fixed, the positioning column 22 is inserted into the corresponding positioning hole 33b, so that the fixing hole 33a is centered with the screw hole 2c, and the screw connector 34 is convenient to fix, and convenience is improved.
In addition, referring to fig. 11, the present utility model further provides a crane brake 200, wherein the crane brake 200 includes the brake shoe structure 100 as described in any one of the above. It should be noted that, the detailed structure of the brake shoe structure 100 of the crane brake 200 can refer to the embodiment of the brake shoe structure 100 described above, and will not be repeated here; since the brake shoe structure 100 is used in the crane brake 200 of the present utility model, the embodiments of the crane brake 200 of the present utility model include all the technical solutions of all the embodiments of the brake shoe structure 100, and the achieved technical effects are identical, and are not described in detail herein.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. A brake shoe construction for a crane brake, the brake shoe construction comprising:
a brake head, along its length direction, is penetrated with a mounting channel, the mounting channel is arranged at one side of the brake head in the thickness direction in an open way, and the brake head is provided with a matching part;
the brake shoe comprises a brake shoe body, a brake shoe sheet and a brake head, wherein the brake shoe body is provided with a brake surface, a clamping part is arranged on the brake shoe body, a limit part is arranged corresponding to the matching part, the clamping part and the limit part are positioned outside the brake surface, the brake shoe sheet is arranged in the installation channel in a sliding manner and can be separated from the installation channel in a sliding manner along the length direction of the installation channel, the brake surface is positioned outside the opening of the installation channel, and the limit part is matched with the matching part so as to limit the brake shoe sheet from being separated from the brake shoe head from the opening of the installation channel; the method comprises the steps of,
the locking assembly comprises a locking part which is arranged on the brake head and corresponds to the clamping part, the locking part can move along the thickness direction of the brake head so as to be clamped with or separated from the clamping part, and the brake shoe sheet can be limited to move along the length direction of the brake head during clamping.
2. The brake shoe structure according to claim 1, wherein the stopper portion is a stopper protruding from both sides of the brake shoe head in the lateral direction, and the mounting passage is provided with a fitting groove recessed from both sides of the brake shoe head in the lateral direction, the fitting groove extending in the longitudinal direction of the brake shoe head to constitute the fitting portion;
the limiting blocks are slidably arranged in the corresponding matching grooves.
3. The brake shoe structure of claim 2, wherein the stopper is disposed extending along the length of the brake head.
4. The brake shoe structure according to claim 1, wherein the brake head is provided with a locking hole along a thickness direction thereof, and the engaging portion is a locking hole provided in the brake tile and communicating with the locking hole;
the locking part comprises a locking rod which can move along the thickness direction of the brake head and can penetrate through the locking hole to be arranged in the clamping hole so as to limit the brake shoe sheet to move along the length direction of the brake head.
5. The brake shoe structure of claim 4, wherein an elastic return member is disposed between the locking lever and the inner wall of the locking hole, such that the locking lever can return from a position penetrating through the locking hole to a position separating from the locking hole.
6. The brake shoe structure of claim 5, wherein the locking bar is radially perforated with a plug hole extending from a side of the locking hole away from the brake tile when the locking bar is in a position away from the locking hole;
the locking assembly further comprises a bolt, and when the locking rod is in a position separated from the clamping hole, the bolt is inserted into the inserting hole so as to limit the locking rod to penetrate through the clamping hole from the locking hole.
7. The brake shoe structure of claim 4, wherein the clamping hole is blind at an end remote from the brake head.
8. The brake shoe structure according to claim 1, wherein both ends of the brake head in a length direction thereof are provided with screw holes, respectively, which correspond to the mounting passages;
the locking assembly further comprises two fixing plates and two groups of screw-connection pieces, the two fixing plates are respectively covered at two ends of the installation channel in the length direction of the brake head, each fixing plate corresponds to adjacent screw holes to penetrate through fixing holes, and each group of screw-connection pieces are in screw connection with the corresponding fixing holes and screw holes.
9. The brake shoe structure according to claim 8, wherein the brake head is further provided with positioning posts protruding from both ends in a longitudinal direction thereof, each of the fixing plates is provided with positioning holes recessed from the positioning post adjacent thereto, and the positioning posts are insertable into the positioning holes.
10. A crane brake comprising a brake shoe structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321204180.6U CN219585727U (en) | 2023-05-16 | 2023-05-16 | Brake shoe structure and crane brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321204180.6U CN219585727U (en) | 2023-05-16 | 2023-05-16 | Brake shoe structure and crane brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219585727U true CN219585727U (en) | 2023-08-25 |
Family
ID=87690218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321204180.6U Active CN219585727U (en) | 2023-05-16 | 2023-05-16 | Brake shoe structure and crane brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219585727U (en) |
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2023
- 2023-05-16 CN CN202321204180.6U patent/CN219585727U/en active Active
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