CN212172184U - Backup emergency brake device of rubber-tyred vehicle and rubber-tyred vehicle - Google Patents
Backup emergency brake device of rubber-tyred vehicle and rubber-tyred vehicle Download PDFInfo
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- CN212172184U CN212172184U CN202020216118.9U CN202020216118U CN212172184U CN 212172184 U CN212172184 U CN 212172184U CN 202020216118 U CN202020216118 U CN 202020216118U CN 212172184 U CN212172184 U CN 212172184U
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- tyred vehicle
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Abstract
The utility model relates to a rubber wheel vehicle reserve emergency brake arresting gear, including the brake take the cylinder device, with rubber wheel vehicle body chassis fixed connection's load steel axle and install at the epaxial arrestment mechanism of load steel, arrestment mechanism establishes including the cover and takes the cylinder at the epaxial brake of load steel, and the cylinder can rotate for the load steel axle in the brake area, the winding has flexible reserve brake area on the outer wall of cylinder outer end is taken in the brake, just flexible reserve brake area the inner is fixed on the outer wall of cylinder is taken in the brake, has seted up the shutting jack on the outer wall in cylinder middle section is taken in the brake, the bottom cartridge of shutting pin is in the shutting jack, and this shutting pin is used for injecing the relative rotation of cylinder and load steel axle is taken in the brake. The utility model also provides a rubber-tyred car. Have simple structure, safe and reliable, convenient to use, braking effectual, non-maintaining characteristics, it is convenient to install additional, the utility model discloses be applicable to ground road vapour car reserve emergency brake braking equally.
Description
Technical Field
The utility model relates to a rubber-tyred car reserve emergency brake arresting gear and rubber-tyred car for the reserve brake arresting gear after the normal brake inefficacy of rubber-tyred car (car) transportation belongs to the vehicle safety technology that traveles.
Background
The mine underground auxiliary transportation is equipment for conveying personnel, equipment and materials, mainly uses winch rail transportation, locomotive rail transportation, battery car rail transportation, trackless rubber-tyred vehicle transportation and the like, wherein the trackless rubber-tyred vehicle transportation has the advantages of simple transportation system, low investment and construction cost, short construction period, strong adaptability, high transportation efficiency and the like, and is generally adopted underground in mines in recent years, but the trackless rubber-tyred vehicle has the requirements of extremely high safety and reliability due to special underground transportation environment of mines, narrow roads, multiple slopes, large slopes, man-vehicle co-lane and the like, particularly the brake braking system of the trackless rubber-tyred vehicle has to be absolutely reliable, the existing trackless rubber-tyred vehicle only has one set of foot brake brakes besides parking braking, once the foot brake fails during downhill running, the serious accidents of vehicle damage and human death are easily caused, and some danger avoiding facilities are installed for preventing the brake failure of the rubber-tyred vehicle during downhill running, such as: the rubber-tyred vehicle (automobile) is urgently required to be provided with a safe and reliable backup emergency brake so that the backup emergency brake can reliably brake when the brake fails.
SUMMERY OF THE UTILITY MODEL
According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to solve one of the problems, the backup emergency brake device of the rubber-tyred vehicle and the rubber-tyred vehicle are provided.
Rubber-tyred car reserve emergency brake arresting gear, its characterized in that: the brake device comprises a brake belt roller device, a bearing steel shaft fixedly connected with a chassis of a rubber-tyred vehicle body, and a brake mechanism arranged on the bearing steel shaft, wherein the brake mechanism comprises a locking pin and a brake belt roller sleeved on the bearing steel shaft, the brake belt roller can rotate relative to the bearing steel shaft, a flexible backup brake belt is wound on the outer wall of the outer end of the brake belt roller, the inner end of the flexible backup brake belt is fixed on the outer wall of the brake belt roller, a locking jack is arranged on the outer wall of the middle section of the brake belt roller, the bottom end of the locking pin is inserted into the locking jack, the locking pin is used for limiting the relative rotation of the brake belt roller and the bearing steel shaft, the brake device also comprises a pin pulling device connected with the locking pin, the pin pulling device is used for pulling the locking pin out of the locking jack, and the flexible backup brake belt is curled in the brake belt roller device, and a brake band outlet is formed in the bottom of the side wall of the brake band roller device, and the free end of the flexible backup brake band can extend to the outside of the brake band roller device from the brake band outlet.
Preferably, the flexible backup brake band further comprises an energy storage plane spiral spring, the energy storage plane spiral spring is sleeved on the force bearing steel shaft and is close to the inner end of the brake band roller, the inner end of the energy storage plane spiral spring is fixed on the force bearing steel shaft, the outer end of the energy storage plane spiral spring is fixed on the brake band roller, and the flexible backup brake band is unfolded and driven by the energy storage plane spiral spring.
Preferably, the pin pulling device comprises a brake handle arranged in the cab, a brake cable pulling wire for pulling the locking pin to pull the locking pin out of the limit pin hole, the brake cable pulling wire is connected to the brake handle, the pin pulling device further comprises a locking pin sliding support with a pin hole and a locking pin inserted in the pin hole, and the locking pin sliding support is arranged on a chassis of the rubber-tyred vehicle body.
Preferably, the inner end of the flexible backup brake band is fixed on the outer wall of the brake band roller through the brake band fixer and the backup brake band connecting hole.
Preferably, the flexible backup brake band comprises a backup brake band strength reinforcing core and a backup brake band friction increasing layer wrapped outside the backup brake band strength reinforcing core, the backup brake band strength reinforcing core is made of aramid fibers, thin steel wires and other high-strength flexible braided fabrics, and the backup brake band friction increasing layer is made of vulcanized rubber or composite polyurethane and other high-friction-coefficient flexible materials.
Preferably, the outer surface of the backup emergency brake band is provided with a pattern for increasing the friction coefficient.
Preferably, a sliding bearing or a rolling bearing can be arranged between the brake belt roller and the force bearing steel shaft, so that the smoothness of rotation is ensured.
Two groups of braking mechanisms are arranged on the bearing steel shaft and are symmetrically arranged at the left end and the right end of the bearing steel shaft.
The utility model also discloses a rubber-tyred car, its characterized in that: including rubber-tyred car body chassis and install the rubber-tyred car rear wheel at rubber-tyred car body chassis afterbody, still include one set at least rubber-tyred car reserve emergency brake arresting gear, rubber-tyred car reserve emergency brake arresting gear installs in rubber-tyred car body chassis bottom, and is located between the front wheel on rubber-tyred car body chassis and the rubber-tyred car rear wheel, sets up with the cooperation of rubber-tyred car rear wheel, and rubber-tyred car reserve emergency brake arresting gear is above-mentioned rubber-tyred car reserve emergency brake arresting gear.
Preferably, the rubber-tyred vehicle is three-wheeled or four-wheeled or multi-wheeled, and the rubber-tyred vehicle backup emergency brake device is symmetrically installed in a set, and each rubber-tyred vehicle rear wheel corresponds one set of rubber-tyred vehicle backup emergency brake device respectively.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a rubber-tyred car reserve emergency brake arresting gear for the malfunctioning vehicle of braking during traveling, has simple structure, safe and reliable, convenient to use, braking effect good, non-maintaining characteristics, can conveniently install additional on current rubber-tyred car (car), the utility model discloses be applicable to ground road car reserve emergency brake braking equally.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a backup emergency brake device of a rubber-tyred vehicle;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a schematic view of the brake band structure of the present invention;
FIG. 7 is a schematic diagram of the backup emergency braking state of the utility model when the vehicle is normal;
FIG. 8 is a schematic view of the emergency braking state of the present invention;
the brake comprises a brake band roller device 1, a backup brake band 2, a brake band fixer 3, a brake band roller 4, a force bearing steel shaft 5, a locking pin 6, a brake cable 7, a rubber-tyred vehicle rear wheel 8, a rubber-tyred vehicle body chassis 9, a brake handle 10, an energy storage volute spring shell 11, an energy storage volute spring sliding support 12, an energy storage volute spring 13, a backup brake band connecting hole 14, a backup brake band strength reinforcing core 15 and a backup brake band friction increasing layer 16.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Example one
As shown in 1-6, the backup emergency brake device for the rubber-tyred vehicle comprises a brake band roller device 1, a force-bearing steel shaft 5 fixedly connected with a chassis 9 of the rubber-tyred vehicle body, and a brake mechanism installed on the force-bearing steel shaft 5, wherein the brake mechanism comprises a locking pin and a brake band roller 4 sleeved on the force-bearing steel shaft 5, the brake band roller 4 can rotate relative to the force-bearing steel shaft 5, a flexible backup brake band 2 is wound on the outer wall of the outer end of the brake band roller 4, the inner end of the flexible backup brake band 2 is fixed on the outer wall of the brake band roller 4, a locking jack is arranged on the outer wall of the middle section of the brake band roller 4, the bottom end of the locking pin 6 is inserted into the locking jack, the locking pin 6 is used for limiting the relative rotation of the brake band roller 4 and the force-bearing steel shaft 5, and a pin pulling device connected with the locking pin 6, the pin pulling device is used for pulling the locking pin 6 out of the locking jack, the flexible backup brake band 2 is curled inside the brake band roller device 1, a brake band outlet is formed in the bottom of the side wall of the brake band roller device 1, and the free end of the flexible backup brake band 2 can extend to the outside of the brake band roller device 1 from the brake band outlet.
In the embodiment, the flexible backup brake band further comprises an energy storage plane spiral spring 13, wherein the energy storage plane spiral spring 13 is sleeved on the force bearing steel shaft 5 and is close to the inner end of the brake band roller 4, the inner end of the energy storage plane spiral spring 13 is fixed on the force bearing steel shaft 5, the outer end of the energy storage plane spiral spring 13 is fixed on the brake band roller 4, and the flexible backup brake band 2 is unfolded and driven by the energy storage plane spiral spring 13; the pin pulling device comprises a brake handle 10 arranged in a cab, a brake cable pull wire 7 for pulling the locking pin 6 to pull the locking pin 6 out of a limit pin hole, the brake cable pull wire 7 is connected with the brake handle 10, the pin pulling device also comprises a locking pin sliding support 12 with a pin hole and the locking pin 6 inserted in the pin hole, and the locking pin sliding support 12 is arranged on a rubber-tyred vehicle body chassis 9; the inner end of the flexible backup brake band 2 is fixed on the outer wall of the brake band roller 4 through the brake band fixer 3 and the backup brake band connecting hole 14; the flexible backup brake band 2 comprises a backup brake band strength reinforcing core 15 and a backup brake band friction increasing layer 16 wrapped outside the backup brake band strength reinforcing core 15, the backup brake band strength reinforcing core 15 is made of aramid fibers, thin steel wires and other high-strength flexible braided fabrics, and the backup brake band friction increasing layer 16 is made of vulcanized rubber or composite polyurethane and other high-friction-coefficient flexible materials; patterns for increasing friction coefficients are formed on the outer surface of the backup emergency brake band 2; a sliding bearing or a rolling bearing can be arranged between the brake belt roller 4 and the force bearing steel shaft 5 to ensure the smoothness of rotation; two groups of braking mechanisms are arranged on the bearing steel shaft 5 and are symmetrically arranged at the left end and the right end of the bearing steel shaft 5.
Example two
The utility model also discloses a rubber-tyred car, its characterized in that: including rubber-tyred car body chassis 9 and install the rubber-tyred car rear wheel 8 at the 9 afterbody in rubber-tyred car body chassis, still include one set at least rubber-tyred car reserve emergency brake arresting gear, rubber-tyred car reserve emergency brake arresting gear installs in rubber-tyred car body chassis 9 bottoms, and is located between the front wheel of rubber-tyred car body chassis 9 and the rubber-tyred car rear wheel 8, sets up with the cooperation of rubber-tyred car rear wheel 8, and rubber-tyred car reserve emergency brake arresting gear is above-mentioned rubber-tyred car reserve emergency brake arresting gear.
In this embodiment, the rubber-tyred vehicle is three-wheeled or four-wheeled or multi-wheeled, and the rubber-tyred vehicle backup emergency brake device is installed in a symmetrical set, and each rubber-tyred vehicle rear wheel 8 corresponds one set of rubber-tyred vehicle backup emergency brake device respectively.
The bearing steel shaft 5 must be firmly fixed on the chassis 9 of the rubber-tyred vehicle body, a section with larger bending modulus is selected, for example, the hollow shaft can be a through shaft or can be divided into two sections which are bilaterally and symmetrically fixed on a vehicle body chassis 9, a brake band roller 4 is installed on a bearing steel shaft 5 and can flexibly rotate, a flexible backup brake band 2 is firmly fixed on the brake band roller 4 through a brake band fixer 3, the flexible backup brake band 2 can also be replaced by a steel structure crawler (the flexible backup brake band 2 can also be in a folded state under a normal state and is released by gravity when in use), an energy storage plane spiral spring 13 used by the backup brake band is of a steel band winding structure and can also be wound by a steel wire to provide power for releasing the brake band, a brake handle 10 is installed at a proper position which is not easy to be mistakenly touched in a cab, and a connected brake cable is a conventional high-strength brake cable.
The utility model discloses a theory of operation: referring to fig. 7, in a backup safety brake facility of a rubber-tyred vehicle (automobile), after a flexible backup brake band 2 is wound on a brake band drum 4 in an initial state, an energy storage flat spiral spring 13 is wound to store energy by rotation, and then a locking pin 6 is inserted into a locking insertion hole of the brake band drum 4 to be locked for standby.
Referring to fig. 8, when the rubber-tyred vehicle brake fails, a brake handle 10 is pulled, a locking pin 6 is driven by a brake cable pull wire 7 to unlock a brake band roller 4, the brake band roller 4 releases a flexible backup brake band 2 under the driving of an energy storage flat spiral spring 13, the flexible backup brake band 2 falls on the road surface in front of a rear wheel 8 of the rubber-tyred vehicle, the rear wheel 8 of the rubber-tyred vehicle moving ahead is rolled under the wheel, the load bearing capacity borne by the rear wheel 8 of the rubber-tyred vehicle is completely pressed on the flexible backup brake band 2, one end of the flexible backup brake band 2 is fixed on the brake band roller 4 of a force bearing steel shaft 5, and the rubber-tyred vehicle is stopped by the friction force between the flexible backup brake band 2. The backup emergency brake device has the advantages of simple structure, safety, reliability and convenient use.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a rubber wheel vehicle reserve emergency brake arresting gear which characterized in that: the brake belt drum device comprises a brake belt drum device (1), a bearing steel shaft (5) fixedly connected with a rubber-tyred vehicle body chassis (9) and a brake mechanism arranged on the bearing steel shaft (5), wherein the brake mechanism comprises a locking pin (6) and a brake belt drum (4) sleeved on the bearing steel shaft (5), the brake belt drum (4) can rotate relative to the bearing steel shaft (5), a flexible backup brake belt (2) is wound on the outer wall of the outer end of the brake belt drum (4), the inner end of the flexible backup brake belt (2) is fixed on the outer wall of the brake belt drum (4), a locking jack is arranged on the outer wall of the middle section of the brake belt drum (4), the bottom end of the locking pin (6) is inserted in the locking jack, the locking pin (6) is used for limiting the relative rotation of the brake belt drum (4) and the bearing steel shaft (5), and the brake belt drum device further comprises a locking pin pulling device connected with the locking pin (6), the pin pulling device is used for pulling the locking pin (6) out of the locking jack, the flexible backup brake band (2) is curled inside the brake band roller device (1), a brake band outlet is formed in the bottom of the side wall of the brake band roller device (1), and the free end of the flexible backup brake band (2) can extend to the outside of the brake band roller device (1) from the brake band outlet.
2. A backup emergency brake device for a rubber-tyred vehicle as set forth in claim 1, wherein: the brake band is characterized by further comprising an energy storage plane spiral spring (13), wherein the energy storage plane spiral spring (13) is sleeved on the force bearing steel shaft (5) and is close to the inner end of the brake band roller (4), the inner end of the energy storage plane spiral spring (13) is fixed on the force bearing steel shaft (5), the outer end of the energy storage plane spiral spring (13) is fixed on the brake band roller (4), and the flexible backup brake band (2) is unfolded and driven by the energy storage plane spiral spring (13).
3. A backup emergency brake device for a rubber-tyred vehicle as set forth in claim 2, wherein: the pin pulling device comprises a brake handle (10) arranged in a cab, a brake wire pull wire (7) for pulling the locking pin (6) to pull the locking pin (6) out of a limiting pin hole, the brake wire pull wire (7) is connected to the brake handle (10), a locking pin sliding support (12) with a pin hole and the locking pin (6) inserted in the pin hole, and the locking pin sliding support (12) is arranged on a rubber-tyred vehicle body chassis (9).
4. A backup emergency brake device for a rubber-tyred vehicle as set forth in claim 3, wherein: two groups of braking mechanisms are arranged on the bearing steel shaft (5) and are symmetrically arranged at the left end and the right end of the bearing steel shaft (5).
5. A rubber-tyred vehicle which characterized in that: the rubber-tyred vehicle backup emergency brake device comprises a rubber-tyred vehicle body chassis (9), a rubber-tyred vehicle rear wheel (8) arranged at the tail part of the rubber-tyred vehicle body chassis (9), and at least one set of rubber-tyred vehicle backup emergency brake device, wherein the rubber-tyred vehicle backup emergency brake device is arranged at the bottom of the rubber-tyred vehicle body chassis (9), is positioned between a front wheel of the rubber-tyred vehicle body chassis (9) and the rubber-tyred vehicle rear wheel (8), and is matched with the rubber-tyred vehicle rear wheel (8), and the rubber-tyred vehicle backup emergency brake device is the rubber-tyred vehicle backup emergency brake device according to any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216118.9U CN212172184U (en) | 2020-02-27 | 2020-02-27 | Backup emergency brake device of rubber-tyred vehicle and rubber-tyred vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216118.9U CN212172184U (en) | 2020-02-27 | 2020-02-27 | Backup emergency brake device of rubber-tyred vehicle and rubber-tyred vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212172184U true CN212172184U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216118.9U Active CN212172184U (en) | 2020-02-27 | 2020-02-27 | Backup emergency brake device of rubber-tyred vehicle and rubber-tyred vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212172184U (en) |
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2020
- 2020-02-27 CN CN202020216118.9U patent/CN212172184U/en active Active
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