CN114701594B - Brake power-off device - Google Patents
Brake power-off device Download PDFInfo
- Publication number
- CN114701594B CN114701594B CN202210350744.0A CN202210350744A CN114701594B CN 114701594 B CN114701594 B CN 114701594B CN 202210350744 A CN202210350744 A CN 202210350744A CN 114701594 B CN114701594 B CN 114701594B
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- Prior art keywords
- brake
- hinge shaft
- power
- bayonet
- mounting
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 125000003003 spiro group Chemical group 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 description 8
- 230000006698 induction Effects 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a brake power-off device which comprises a brake oil cylinder, a brake lever, a push rod, a power-off switch and a power-off trigger element, wherein a brake lever mounting bracket is arranged outside the brake oil cylinder, one end of the brake lever is a connecting end, the connecting end of the brake lever is hinged to the brake lever mounting bracket through a first hinge shaft, and the push rod is hinged to the connecting end of the brake lever through a second hinge shaft; the connecting end of the brake lever is internally provided with a mounting groove, and the first hinge shaft and the second hinge shaft penetrate through the mounting groove; the power-off trigger device comprises a first hinge shaft, a second hinge shaft, a power-off trigger element, a power-on trigger element and a power-off trigger element, wherein the power-on trigger element is arranged on the power-on trigger element; the locking block is used for locking the mounting block in the mounting groove; the power-off switch is arranged near the brake crank mounting bracket, and the rotation operation of the brake crank can drive the power-off trigger element to trigger the power-off switch to realize the function of the electric switch. The invention can improve the installation stability, the disassembly and assembly convenience, the use reliability and the like of the power-off trigger element.
Description
Technical Field
The invention relates to the field of electric vehicle accessories, in particular to a brake power-off device with adjustable sensitivity.
Background
In the prior art, electric motor car brake outage device generally includes brake cylinder, brake oil pipe, brake lever, push rod, outage trigger element and outage switch, brake cylinder's outside is equipped with brake lever support, brake lever one end articulates on the brake lever support through first articulated shaft, the other end is the operation end, push rod one end articulates in the articulated end of brake lever through the second articulated shaft, the other end stretches into in the brake cylinder, brake oil pipe one end stretches into in the brake cylinder by the push rod drive, the electric motor car is connected to the other end, the outage switch is installed in brake lever support one side and is connected electric motor car drive circuit through the control line, outage trigger element passes through glue bonding to be fixed on the terminal surface of second articulated shaft towards the outage switch. When the electric vehicle brake system is used, the brake action of the brake crank drives the push rod to drive the brake oil pipe to brake in the brake oil cylinder through the second hinge shaft, and drives the outage trigger element to be close to the outage switch to enable the outage switch to be conducted so as to disconnect the electric vehicle drive circuit, so that the functions of braking and braking outage of the electric vehicle are achieved. The structure has the following obvious defects in the using process:
firstly, in the frequent braking process of the brake crank, the second hinge shaft is subjected to frequent forced movement to easily wear the adhesive layer of the outage trigger element on the end face of the second hinge shaft, so that the outage trigger element is easy to drop off, and the reliability of the outage trigger element matched with an outage switch is further affected.
Secondly, the gluing and fixing process of the power-off trigger element is troublesome, and the quick disassembly and assembly cannot be realized, so that the assembly efficiency of the product is affected, and the power-off trigger element cannot be quickly disassembled and replaced when the power-off trigger element fails.
And thirdly, the distance between the power-off trigger element and the power-off switch is fixed and can not be adjusted, so that the induction sensitivity between the power-off trigger element and the power-off switch can not be flexibly adjusted according to the use requirement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the brake power-off device which can improve the installation stability, the disassembly and assembly convenience and the use reliability of the power-off trigger element and can flexibly adjust the induction sensitivity between the power-off trigger element and the power-off switch.
The aim of the invention is realized by the following technical scheme:
the brake power-off device comprises a brake oil cylinder, a brake handle, a push rod, a power-off switch and a power-off trigger element, wherein a brake handle mounting bracket is arranged outside the brake oil cylinder, one end of the brake handle is a connecting end, the other end of the brake handle is an operating end, one side of the connecting end of the brake handle is hinged to the brake handle mounting bracket through a first hinge shaft, one end of the push rod is hinged to the other side of the connecting end of the brake handle through a second hinge shaft, and the other end of the push rod extends into the brake oil cylinder; the connecting end of the brake crank is internally provided with a mounting groove, and the first hinge shaft and the second hinge shaft penetrate through the mounting groove; the power-off trigger device comprises a power-off trigger element, a first hinge shaft, a second hinge shaft, a mounting block, a power-off trigger element and a mounting block, wherein the mounting block is clamped in the mounting groove, a first bayonet facing the first hinge shaft opening and a second bayonet facing the second hinge shaft opening are arranged on the inner side of the mounting block, the first bayonet is clamped in the first hinge shaft, the second bayonet is clamped in the second hinge shaft, and a mounting part for mounting the power-off trigger element is further arranged on the mounting block; the mounting groove is provided with a first bayonet, and the mounting groove is provided with a mounting block which is provided with a second bayonet; the power-off switch is arranged near the brake crank mounting bracket, and the rotation operation of the brake crank can drive the power-off trigger element to trigger the power-off switch to realize an electric switch function.
Further, the mounting block comprises a narrow part clamped into the mounting groove and a wide part exposed out of the mounting groove, and the inner side surface of the wide part is in abutting contact with the outer side end face of the mounting groove.
Further, the narrow portion includes first portion and second portion, first portion is used for setting up first bayonet socket with the second bayonet socket with the cutting ferrule in first articulated shaft with the second articulated shaft, the second portion is by the top of first portion is towards being close to the cantilever structure that the lever handle operation end direction extends to form, just the top of first portion and the upper surface of second portion all with the roof internal surface butt contact of mounting groove.
Further, the third bayonet is formed by surrounding the upper surface of the wide portion, the upper outer side surface of the first portion and the lower surface of the second portion, the upper surface of the wide portion is provided with a first arc concave surface structure, a portion, adjacent to the upper surface of the wide portion, of the upper outer side surface of the first portion is provided with a second arc concave surface structure connected with the first arc concave surface structure, an arc limiting protrusion is arranged on the lower surface of the second portion near the outer side, and the locking block is provided with a first arc convex surface structure tightly matched with the first arc concave surface structure, a second arc convex surface structure tightly matched with the second arc concave surface structure, an inclined surface structure tightly matched with the lower surface of the second portion near the inner side and an arc limiting groove tightly matched with the arc limiting protrusion.
Further, the lower extreme part of wide portion forms the installation department, the installation department be equipped with be on a parallel with first articulated shaft with the second articulated shaft just is the mounting hole of penetrating structure, outage trigger element cartridge in the mounting hole and with interference fit therewith, still include adjusting screw, this adjusting screw spiro union is in the mounting hole and with outage trigger element deviates from one side of outage switch supports the top, when screwing the adjusting screw, adjustable outage trigger element with distance between the outage switch.
Further, the first bayonet and the second bayonet are respectively in clearance fit with the first hinge shaft and the second hinge shaft.
Further, the opening width of the first bayonet is smaller than the diameter of the first hinge shaft, the opening width of the second bayonet is smaller than the diameter of the second hinge shaft, and the first bayonet and the second bayonet are respectively clamped into the first hinge shaft and the second hinge shaft according to the elastic deformation capacity of the mounting block.
Further, push rod one end spiro union is in on the second articulated shaft, be equipped with on this spiro union terminal surface of push rod and revolve and twist the hole, still be equipped with on the installation piece with second bayonet socket intercommunication and outside open-ended fretwork mouth, this fretwork mouth can supply the outside to revolve to twist the instrument and stretch into revolve and twist downthehole operation of twisting.
Further, the brake lever installing support includes a pair of extension board that the interval set up, forms brake lever installation space between this pair of extension board, the link of brake lever is arranged in the brake lever installation space and pass through first articulated shaft articulates on this pair of extension board.
Further, an opening connecting ring positioned below the pair of support plates is further arranged outside the brake cylinder, a fixed block is clamped at the opening part of the opening connecting ring, the upper part of the fixed block extends to the outer side of one of the support plates, a containing cavity is formed at the upper part of the fixed block, and the power-off switch is installed in the containing cavity.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the power-off trigger element mounting block is skillfully clamped in the preset mounting groove at the connecting end of the brake lever by means of the clamping formula, and the mounting block is firmly locked in the mounting groove by skillfully clamping the locking block and the power-off trigger element mounting block, so that the problem that the power-off trigger element is easy to fall off due to frequent forced movement of the second hinge shaft in the prior art can be effectively avoided. Meanwhile, the whole installation process is free from gluing or screw fixation, so that the assembly efficiency of the power-off trigger element is improved, and the assembly is convenient, and the assembly is also convenient to detach and replace when the power-off trigger element is damaged and needs to be replaced. Furthermore, the invention can realize flexible adjustment of the sensing sensitivity between the power-off trigger element and the power-off switch through the position adjustment of the power-off trigger element.
Drawings
FIG. 1 is a schematic front view of a brake de-energizing apparatus according to the present invention.
FIG. 2 is a schematic cross-sectional view of a brake de-energizing apparatus of the present invention.
Fig. 3 is a schematic perspective view of a brake de-energizing apparatus according to the present invention.
Fig. 4 is an exploded view of a brake de-energizing apparatus according to the present invention.
FIG. 5 is a schematic diagram of the structure of the mounting block and the power-off trigger element of the present invention.
Fig. 6 is a schematic view of the structure of the lock block in the present invention.
Fig. 7 is a schematic structural view of a brake lever according to the present invention.
Detailed Description
The invention is described in further detail below with reference to examples given in the accompanying drawings.
As shown in fig. 1 to 7, the brake outage device according to the present embodiment includes a brake cylinder 1, a brake lever 2, a push rod 3, an outage switch 4 and an outage trigger element 5, wherein a brake lever mounting bracket 6 is provided outside the brake cylinder 1, one end of the brake lever 2 is a connection end 21, the other end is an operation end 22, one side of the connection end 21 of the brake lever 2 is hinged to the brake lever mounting bracket 6 through a first hinge shaft 7, one end of the push rod 3 is hinged to the other side of the connection end 21 of the brake lever 2 through a second hinge shaft 8, and the other end of the push rod 3 extends into the brake cylinder 1 to be used for driving a brake oil pipe.
A mounting groove 210 is formed in the connecting end 21 of the brake lever 2, and the first hinge shaft 7 and the second hinge shaft 8 penetrate through the mounting groove 210; the power-off trigger device further comprises a mounting block 9, wherein the mounting block 9 is clamped in the mounting groove 210, a first bayonet 91 facing the opening of the first hinge shaft 7 and a second bayonet 92 facing the opening of the second hinge shaft 8 are formed in the inner side of the mounting block 9, the first bayonet 91 is clamped and sleeved on the first hinge shaft 7, the second bayonet 92 is clamped and sleeved on the second hinge shaft 8, and a mounting part 93 for mounting the power-off trigger element 5 is further formed in the mounting block 9; the locking block 10 is also included, the outer side of the mounting block 9 is provided with a third bayonet 94 which is open outwards, and the locking block 10 is clamped into the third bayonet 94 so as to lock the mounting block 9 in the mounting groove 210 without falling off; the power-off switch 4 is arranged near the brake lever mounting bracket 6, the rotation operation of the brake lever 2 can drive the power-off trigger element 5 to trigger the power-off switch 4 to realize the electric switch function, specifically, when the brake lever 2 brakes, the power-off trigger element 5 can be driven to be close to the power-off switch 4 so as to trigger the power-off switch 4 to disconnect the driving circuit of the electric vehicle, and when the brake lever 2 is released, the brake lever 2 returns to the original position under the action of the brake lever return spring and drives the power-off trigger element 5 to be far away from the power-off switch 4 so as to excite the power-off switch 4 to switch on the driving circuit of the electric vehicle again.
The mounting block 9 includes a narrow portion 9a that is caught in the mounting groove 210 and a wide portion 9b that is exposed to the outside of the mounting groove 210, and an inner side surface 9b1 of the wide portion 9b is in abutting contact with an outer side end surface 2100 of the mounting groove 210. The narrow portion 9a includes a first portion 9a1 and a second portion 9a2, the first portion 9a1 is used for providing a first bayonet 91 and a second bayonet 92 to be clamped and sleeved on the first hinge shaft 7 and the second hinge shaft 8, the second portion 9a2 is of a cantilever structure formed by extending the top end of the first portion 9a1 towards the direction close to the operation end 22 of the brake lever 2, and the top end 9a11 of the first portion 9a1 and the upper surface 9a21 of the second portion 9a2 are in abutting contact with the inner surface of the top wall 2101 of the mounting groove 210.
The third bayonet 94 is surrounded by an upper surface 9b2 of the wide portion 9b, an upper outer side surface 9a12 of the first portion 9a1, and a lower surface 9a22 of the second portion 9a2, the upper surface 9b2 of the wide portion 9b is provided with a first arc concave structure, a portion of the upper outer side surface 9a12 of the first portion 9a1 adjacent to the upper surface 9b2 of the wide portion 9b is provided with a second arc concave structure 9a13 engaged with the first arc concave structure, the lower surface 9a22 of the second portion 9a2 is provided with an arc limit projection 9a23 on the outer side, the locking block 10 has a first arc convex structure 101 tightly engaged with the first arc concave structure, a second arc convex structure 102 tightly engaged with the second arc concave structure 9a13, a slope structure 103 tightly engaged with the lower surface 9a22 of the second portion 9a2 on the inner side, and an arc limit groove 104 tightly engaged with the arc limit projection 9a23, thereby the mounting block 9 is tightly locked in the mounting groove 210 without falling off.
When the mounting block 9 needs to be disassembled, the locking block 10 is firstly scratched outwards, and then the mounting block 9 is pulled out from the mounting groove 210 by holding the two sides of the wide part 9b of the mounting block 9. On the contrary, when the mounting block 9 needs to be mounted, the narrow portion 9a of the mounting block 9 is only required to be clamped into the mounting groove 210, the first bayonet 91 and the second bayonet 92 of the narrow portion 9a are respectively clamped and sleeved on the first hinge shaft 7 and the second hinge shaft 8, and then the locking block 10 is clamped into the third bayonet 94 on the outer side of the mounting block 9, so that the mounting block 9 is abutted against the mounting groove 210. Therefore, the mounting block 9 in this structure is convenient both for mounting and dismounting. In addition, in order to facilitate the pulling out of the locking block 10, a pulling part 105 which is convenient for pulling out is further arranged on two sides of the lower end of the locking block 10.
The lower end portion of the wide portion 9b forms a mounting portion 93, the mounting portion 93 is provided with a mounting hole 931 which is parallel to the first hinge shaft 7 and the second hinge shaft 8 and is of a penetrating structure, the outage trigger element 5 is clamped in the mounting hole 931 and in interference fit with the mounting hole 931, the installation portion further comprises an adjusting screw 11, the adjusting screw 11 is in threaded connection with the mounting hole 931 and abuts against one side, away from the outage trigger element 5, of the outage trigger element 4, when the adjusting screw 11 is screwed, the distance between the outage trigger element 5 and the outage switch 4 can be adjusted, and then the induction sensitivity between the outage trigger element 5 and the outage switch 4 is adjusted, so that on one hand, the induction sensitivity between the outage trigger element and the outage switch is always kept in a reliable range, and on the other hand, the accuracy and stability of brake outage operation are guaranteed, and on the other hand, the outage stroke of a brake handle can be adjusted, so that the brake handle is more suitable for users or more suitable for the requirements of use scenes.
When specifically adjusting the distance between the outage trigger element 5 and the outage switch 4, if the adjusting screw 11 is screwed, the outage trigger element 5 can be propped against to move towards the direction close to the outage switch 4, so that the distance between the outage trigger element 5 and the outage switch 4 is shortened, the induction sensitivity between the outage trigger element 5 and the outage switch 4 is enhanced, the outage stroke of the brake lever can be reduced at the moment, if the adjusting screw 11 is unscrewed, the outage trigger element 5 can be stretched into and knocked to move towards the direction far away from the outage switch 4 by means of a rod-shaped tool from one side of the mounting hole 931, which is far away from the adjusting screw 11, so that the distance between the outage trigger element 5 and the outage switch 4 is increased, the induction sensitivity between the outage trigger element 5 and the outage switch 4 is reduced, and the outage stroke of the brake lever can be increased at the moment.
The first bayonet 91 and the second bayonet 92 are respectively in clearance fit with the first hinge shaft 7 and the second hinge shaft 8, so that the mounting block 9 can be rotated when the brake lever 2 is in a rotating operation.
The opening width of the first bayonet 91 is smaller than the diameter of the first hinge shaft 7, the opening width of the second bayonet 92 is smaller than the diameter of the second hinge shaft 8, so that the mounting block 9 can be effectively prevented from being separated from the first hinge shaft 7 and the second hinge shaft 8 in the process of rotating along with the brake lever 2, and when the mounting block is mounted, the first bayonet 91 and the second bayonet 92 are respectively clamped into the first hinge shaft 7 and the second hinge shaft 8 according to the elastic deformation capacity of the mounting block 9.
The mounting block 9 is further provided with an avoidance groove 95 which is communicated with the second bayonet 92 and is open towards the outer side, and the avoidance groove 95 is used for avoiding the end of the push rod 3 hinged to the brake crank 2.
Push rod 3 one end spiro union is on second articulated shaft 8, is equipped with on this spiro union terminal surface of push rod 3 and revolves and twist the hole, still is equipped with on the installation piece 9 with second bayonet socket 92 intercommunication and outside open-ended fretwork mouth 95, this fretwork mouth 95 can supply the outside to revolve to twist the instrument and stretch into and revolve to twist the downthehole operation to adjust push rod 3.
The brake lever mounting bracket 6 includes a pair of support plates 61 arranged at intervals, a brake lever mounting space 62 is formed between the pair of support plates 61, and the connecting end 21 of the brake lever 2 is disposed in the brake lever mounting space 62 and hinged to the pair of support plates 61 through the first hinge shaft 7.
The outside of the brake cylinder 1 is also provided with an opening connecting ring 12 positioned below a pair of support plates 61, a fixed block 13 is clamped at the opening part of the opening connecting ring 12, the upper part of the fixed block 13 extends to the outer side of one of the support plates 61, a containing cavity 131 is formed at the upper part of the fixed block 13, and the power-off switch 4 is arranged in the containing cavity 131. Specifically, the power-off switch 4 may be a reed switch (i.e., a reed switch), and the power-off triggering element 5 may be a magnet.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, i.e., the invention is not limited to the specific embodiments described herein, but is to be accorded the full scope of the claims.
Claims (10)
1. The brake power-off device comprises a brake oil cylinder, a brake handle, a push rod, a power-off switch and a power-off trigger element, wherein a brake handle mounting bracket is arranged outside the brake oil cylinder, one end of the brake handle is a connecting end, the other end of the brake handle is an operating end, one side of the connecting end of the brake handle is hinged to the brake handle mounting bracket through a first hinge shaft, one end of the push rod is hinged to the other side of the connecting end of the brake handle through a second hinge shaft, and the other end of the push rod extends into the brake oil cylinder; the method is characterized in that: the connecting end of the brake crank is internally provided with a mounting groove, and the first hinge shaft and the second hinge shaft penetrate through the mounting groove; the power-off trigger device comprises a power-off trigger element, a first hinge shaft, a second hinge shaft, a mounting block, a power-off trigger element and a mounting block, wherein the mounting block is clamped in the mounting groove, a first bayonet facing the first hinge shaft opening and a second bayonet facing the second hinge shaft opening are arranged on the inner side of the mounting block, the first bayonet is clamped in the first hinge shaft, the second bayonet is clamped in the second hinge shaft, and a mounting part for mounting the power-off trigger element is further arranged on the mounting block; the mounting groove is provided with a first bayonet, and the mounting groove is provided with a mounting block which is provided with a second bayonet; the power-off switch is arranged near the brake crank mounting bracket, and the rotation operation of the brake crank can drive the power-off trigger element to trigger the power-off switch to realize an electric switch function.
2. A brake de-energizing apparatus as defined in claim 1, wherein: the mounting block comprises a narrow part clamped into the mounting groove and a wide part exposed out of the mounting groove, and the inner side surface of the wide part is in abutting contact with the outer side end surface of the mounting groove.
3. A brake de-energizing apparatus as defined in claim 2, wherein: the narrow portion comprises a first portion and a second portion, the first portion is used for setting the first bayonet and the second bayonet to be clamped and sleeved on the first hinge shaft and the second hinge shaft, the second portion is of a cantilever structure formed by extending the top end of the first portion towards the direction close to the operation end of the brake lever, and the top end of the first portion and the upper surface of the second portion are in abutting contact with the inner surface of the top wall of the mounting groove.
4. A brake de-energizing apparatus according to claim 3, wherein: the third bayonet is formed by surrounding the upper surface of the wide part, the upper outer side surface of the first part and the lower surface of the second part, the upper surface of the wide part is provided with a first arc concave surface structure, the part, adjacent to the upper surface of the wide part, of the upper outer side surface of the first part is provided with a second arc concave surface structure connected with the first arc concave surface structure, the lower surface of the second part is provided with an arc limiting bulge near the outer side, and the locking block is provided with a first arc convex surface structure tightly matched with the first arc concave surface structure, a second arc convex surface structure tightly matched with the second arc concave surface structure, an inclined surface structure tightly matched with the lower surface of the second part near the inner side and an arc limiting groove tightly matched with the arc limiting bulge.
5. A brake de-energizing apparatus as defined in claim 2, wherein: the lower extreme part of wide portion forms the installation department, the installation department is equipped with and is on a parallel with first articulated shaft with the second articulated shaft just is the mounting hole of penetrating structure, outage trigger element cartridge in the mounting hole and interference fit with it, still include adjusting screw, this adjusting screw spiro union is in the mounting hole and with outage trigger element deviates from one side of outage switch supports the top, when screwing up adjusting screw, adjustable outage trigger element with distance between the outage switch.
6. A brake de-energizing apparatus according to claim 1 or 2 or 3 or 4 or 5, wherein: the first bayonet and the second bayonet are respectively in clearance fit with the first hinge shaft and the second hinge shaft.
7. A brake de-energizing apparatus according to claim 1 or 2 or 3 or 4 or 5, wherein: the opening width of the first bayonet is smaller than the diameter of the first hinge shaft, the opening width of the second bayonet is smaller than the diameter of the second hinge shaft, and the first bayonet and the second bayonet are respectively clamped into the first hinge shaft and the second hinge shaft according to the elastic deformation capacity of the mounting block.
8. A brake de-energizing apparatus according to claim 1 or 2 or 3 or 4 or 5, wherein: the push rod one end spiro union is in on the second articulated shaft, be equipped with on this spiro union terminal surface of push rod and revolve and twist the hole, still be equipped with on the installation piece with second bayonet socket intercommunication and outside open-ended fretwork mouth, this fretwork mouth can supply outside to revolve to twist the instrument to stretch into revolve and twist downthehole and carry out the operation of twisting.
9. A brake de-energizing apparatus according to claim 1 or 2 or 3 or 4 or 5, wherein: the brake crank installing support includes the extension board that a pair of interval set up, forms brake crank installation space between this pair of extension board, the link of brake crank is arranged in the brake crank installation space and pass through the first articulated shaft articulates on this pair of extension board.
10. The brake de-energizing apparatus of claim 9, wherein: the brake cylinder is characterized in that an opening connecting ring positioned below the pair of support plates is further arranged outside the brake cylinder, a fixed block is fixedly clamped at the opening part of the opening connecting ring, the upper part of the fixed block extends to the outer side of one of the support plates, a containing cavity is formed in the upper part of the fixed block, and the power-off switch is installed in the containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350744.0A CN114701594B (en) | 2022-04-02 | 2022-04-02 | Brake power-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350744.0A CN114701594B (en) | 2022-04-02 | 2022-04-02 | Brake power-off device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114701594A CN114701594A (en) | 2022-07-05 |
| CN114701594B true CN114701594B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210350744.0A Active CN114701594B (en) | 2022-04-02 | 2022-04-02 | Brake power-off device |
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| CN (1) | CN114701594B (en) |
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| CN114701594A (en) | 2022-07-05 |
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