CN202242945U - Bracket carrier - Google Patents
Bracket carrier Download PDFInfo
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- CN202242945U CN202242945U CN2011203953345U CN201120395334U CN202242945U CN 202242945 U CN202242945 U CN 202242945U CN 2011203953345 U CN2011203953345 U CN 2011203953345U CN 201120395334 U CN201120395334 U CN 201120395334U CN 202242945 U CN202242945 U CN 202242945U
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- hydraulic
- wheel
- motor
- bracket carrier
- wheels
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Abstract
The utility model provides a bracket carrier, comprising a carrier frame, wherein the carrier frame comprises front wheels, middle wheels and rear wheels, which are arranged at the both sides of the carrier frame; and each one of the front wheels, the middle wheels and the back wheels is connected with a hydraulic motor. The carrier frame further comprises a hydraulic pipeline, a hydraulic pump device connected with the hydraulic motors, and a driving device connected with the hydraulic pump device; and the hydraulic pipeline is provided with a plurality of valve devices for controlling the hydraulic motors to be switched on and off. With the adoption of the arrangement, the bracket carrier provided by the utility model has good dynamic performance and strong capacity to be adapted to various road conditions.
Description
Technical field
The utility model relates to engineering machinery field, relates to a kind of bracket carrier more specifically.
Background technology
Along with China's constant development of economy, China's vehicular field has obtained innovation constantly and development.In the actual production, bracket carrier is a kind of new special handbarrow.Bracket carrier is that the hydraulic support integral body that is used for fully-mechanized mining working is gone into the well, the specialized equipment of whole removal of home, the operation of falling the face, have that load-carrying ability is big, running velocity soon, advantage such as maneuverability and hill climbing ability be big.Bracket carrier can realize not reprinting transportation, is particularly suitable for long-distance transportation, compares with the mode of traditional winch, the interrupted removal of home of dull and stereotyped mine car; Bracket carrier has improved removal of home speed; Saved the assistant conveyance time, and down-hole auxilliary fortune personnel amount is descended greatly, labor strength reduces; Improve the efficient of producing coal, shortened the time length of new and old driving surface.Bracket carrier has obtained the approval of domestic and international most coal mining enterprises.
At present, main two kinds of bracket carriers, three pairs of wheels before, during and after these two kinds of transport trolleys include of existing on the China market.Wherein, a kind of employing four wheel drive, zero motor high pulling torque scheme, promptly only two pairs of wheels are connected with motor.Because the working environment of bracket carrier is more abominable, road conditions are relatively poor, so it need have power preferably.Yet this kind bracket carrier adopts four wheel drive, though can satisfy road conditions requirement generally speaking, when road conditions were relatively poor, four wheel drive often can not satisfy the power requirement of carrying.
Another kind of bracket carrier adopts four wheel drive, and high-speed motor hangs down the moment of torsion scheme.Equally, when this kind bracket carrier runs into relatively poor road conditions, can not satisfy the power requirement of carrying.
In order to make the bracket carrier of four wheel drive have big power, those skilled in the art adopt the mode that increases retarder usually, through reducing the operating rate of bracket carrier, to improve its carrying power.Yet, increased drive disk assembly and can cause the fault rate of bracket carrier significantly to increase.
In addition, the optional gear of above-mentioned four wheel drive transport trolley is less, and then the ability that causes it to adapt to various road conditions is relatively poor.
Therefore, how to solve bracket carrier tractive performance difference and adapt to the problem of the ability of various road conditions, become those skilled in the art's important technological problems to be solved.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of bracket carrier, and its tractive performance better and to adapt to various road conditions abilities stronger.
A kind of bracket carrier that the utility model provides comprises vehicle frame, and said vehicle frame comprises the front-wheel that is arranged at its both sides, middle wheel and trailing wheel, and each said front-wheel, each said middle wheel and each said trailing wheel all are connected with HM Hydraulic Motor; Said bracket carrier also comprises through the said HM Hydraulic Motor homogeneous phase of hydraulic tubing and each bonded assembly hydraulic efficiency pump unit and the actuating device that is connected with said hydraulic efficiency pump unit, and said hydraulic tubing is provided with a plurality of valve systems of controlling each said HM Hydraulic Motor start and stop respectively.
Preferably; Two said HM Hydraulic Motors that wheel is connected in said with two and two said HM Hydraulic Motors that are connected with two said trailing wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.
Preferably, said hydraulic efficiency pump unit comprises first Hydraulic Pump and second Hydraulic Pump that is connected with said actuating device respectively, and said first Hydraulic Pump is connected through said hydraulic tubing with each the said HM Hydraulic Motor that is positioned at said support one side; Said second Hydraulic Pump is connected through said hydraulic tubing with each the said HM Hydraulic Motor that is positioned at said vehicle frame opposite side.
Preferably, said actuating device is a diesel engine, and said diesel engine is connected with said second Hydraulic Pump with said first Hydraulic Pump respectively through auxiliary gear box.
Preferably, said hydraulic tubing is provided with the by pass valve device.
Preferably, said flow-controlling gate is a two-position-five-way solenoid valve, and said double motor was in the delivery state when said two-position-five-way solenoid valve was in first, and said double motor was in half displacement condition when said two-position-five-way solenoid valve was in second.
Preferably; Two said HM Hydraulic Motors that are connected with two said front-wheels and two said HM Hydraulic Motors that are connected with two said trailing wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.
Preferably; Two said HM Hydraulic Motors that are connected with two said front-wheels and two said HM Hydraulic Motors that are connected with two said middle wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.
A kind of bracket carrier that the utility model provides comprises vehicle frame, and the both sides of vehicle frame are provided with wheel and two trailing wheels in two front-wheels, two.Need to prove, the bracket carrier that the utility model provides, its each said front-wheel, each said middle wheel and each said trailing wheel all are connected with HM Hydraulic Motor; Said bracket carrier also comprises through the said HM Hydraulic Motor homogeneous phase of hydraulic tubing and each bonded assembly hydraulic efficiency pump unit and the actuating device that is connected with said hydraulic efficiency pump unit, and said hydraulic tubing is provided with a plurality of valve systems of controlling each said HM Hydraulic Motor start and stop respectively.
Because the bracket carrier that provides of the utility model, before it in back three pairs of wheels, each wheel is all by a fluid motor-driven independently, so it is a six-wheel drive.Actuating device provides hydraulic efficiency pump unit required propulsive effort, and then hydraulic efficiency pump unit can provide above-mentioned six HM Hydraulic Motors to rotate required pressure oil, and then makes six HM Hydraulic Motors can drive six wheel turns respectively.Hydraulic efficiency pump unit is connected with HM Hydraulic Motor through hydraulic tubing, need to prove, hydraulic tubing is provided with the valve system of each HM Hydraulic Motor start and stop of control.So be provided with, when three pairs of HM Hydraulic Motors of three pairs of wheels of valve system control were in full mode of operation, bracket carrier was in the low-speed big state, and its propulsive effort is bigger with respect to the four wheel drive of prior art; When two pairs of motors of valve system control were in running order, bracket carrier was in the four wheel drive state, and transport trolley power descends relatively, and motor rotary speed improves relatively; Control a pair of motor when in running order when valve system, bracket carrier is in the two-wheel drive state, and power is reduced to minimum and rotating speed rises to maximum.Obviously, the bracket carrier that the utility model provides, its tractive performance are better and to adapt to various road conditions abilities stronger.
In the preferred version of the utility model; Two said HM Hydraulic Motors that wheel is connected in said with two and two said HM Hydraulic Motors that are connected with two said trailing wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.Those skilled in the art it is understandable that double motor means the motor that can be in delivery and half displacement condition, and when double motor was in delivery, the low output torque of its rotating speed was big, and when being in half discharge capacity, the high output torque of its rotating speed is low.So be provided with, the bracket carrier that the utility model provides, wherein the HM Hydraulic Motor of wheel and trailing wheel all adopts double motor, thus in take turns and the double motor of trailing wheel when all being in delivery, its rotating speed is minimum, the outputting power maximum; When the two one of be in delivery another when being in half discharge capacity, its rotating speed is lower, outputting power is bigger; When the two all was in half discharge capacity, the wheel rotor speed was maximum, and outputting power is minimum.Obviously, so be provided with, further improved the tractive performance and the ability that adapts to various road conditions of bracket carrier.
Description of drawings
Fig. 1 is the utility model specific embodiment medium-height trestle transport trolley structural representation.
The specific embodiment
The utility model provides a kind of bracket carrier, and its tractive performance better and to adapt to various road conditions abilities stronger.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is the utility model specific embodiment medium-height trestle transport trolley structural representation.
The bracket carrier that this specific embodiment provides comprises vehicle frame.Need to prove that the both sides of vehicle frame are respectively arranged with front-wheel 111, middle wheel 112 and trailing wheel 113, and each front-wheel 111, middle wheel 112 and trailing wheel 113 all are connected with HM Hydraulic Motor 12.
In addition; The bracket carrier that this specific embodiment provided also comprises hydraulic efficiency pump unit 14 that is connected with each HM Hydraulic Motor 12 through hydraulic tubing 13 and the actuating device 15 that is connected with this hydraulic efficiency pump unit 14, and hydraulic tubing 13 is provided with the valve system 16 of controlling each HM Hydraulic Motor 12 start and stop respectively.
Because the bracket carrier that this specific embodiment provided, back three pairs of wheels during it is preceding, each wheel are all by independently HM Hydraulic Motor 12 drivings, so it is a six-wheel drive.Required propulsive effort when actuating device 15 provides hydraulic efficiency pump unit 14 to rotate, and then hydraulic efficiency pump unit 14 can provide above-mentioned six HM Hydraulic Motors 12 to rotate required pressure oil, and then make six HM Hydraulic Motors 12 can drive six wheel turns respectively.
Hydraulic efficiency pump unit 14 is connected with HM Hydraulic Motor 12 through hydraulic tubing 13, need to prove, hydraulic tubing 13 is provided with the valve system 16 of each HM Hydraulic Motor 12 start and stop of control.So be provided with, when three pairs of hydraulic pressure horses 12 of three pairs of wheels of valve system 16 controls reach when being in full mode of operation, bracket carrier is in the low-speed big state, and its propulsive effort is bigger with respect to the four wheel drive of prior art; When two pairs of HM Hydraulic Motors of valve system 16 control 12 were in running order, bracket carrier was in the four wheel drive state, and transport trolley power descends relatively, and motor rotary speed improves relatively; When a pair of HM Hydraulic Motor of valve system 16 control 12 was in running order, bracket carrier was in the two-wheel drive state, and power is reduced to minimum and rotating speed rises to maximum.When bracket carrier in road conditions preferably under the situation, can make that a pair of HM Hydraulic Motor 12 is in running order, and then make bracket carrier speed improve, shorten handling time; When road conditions are poor slightly, can make that two pairs of HM Hydraulic Motors 12 are in running order; When road conditions are relatively poor, can make that three pairs of HM Hydraulic Motors 12 are in running order, it moves the power maximum, and speed is minimum.Obviously, the bracket carrier that this specific embodiment provided, its tractive performance are better and to adapt to various road conditions abilities stronger.
In the preferred version that this specific embodiment provided; With two in two HM Hydraulic Motors being connected of wheel 12 and the HM Hydraulic Motor 12 that is connected with two trailing wheels be double motor 121, and hydraulic tubing 13 is provided with and controls the flow-controlling gate 17 that each double motor 121 is in delivery or half displacement condition.
Those skilled in the art it is understandable that double motor 121 means the motor that can be in delivery and half displacement condition, and when double motor 121 was in delivery, the low output torque of its rotating speed was big, and when being in half discharge capacity, the high output torque of its rotating speed is low.
So be provided with, the bracket carrier that this specific embodiment provided is wherein taken turns 112 and is all adopted double motor 121 with the HM Hydraulic Motor 12 of trailing wheel 113, thus in the double motor 121 of wheel 112 and trailing wheel 113 when all being in delivery, its rotating speed is minimum, the outputting power maximum; When the two one of be in delivery another when being in half discharge capacity, its rotating speed is lower, outputting power is bigger; When the two all was in half discharge capacity, the wheel rotor speed was maximum, and outputting power is minimum.
So, the bracket carrier that this specific embodiment provided can have five gears can be selected, and its five gears can be described below:
1 grade: the HM Hydraulic Motor 12 that 4 double motors 121 of middle wheel and trailing wheel are in delivery+2 front-wheel is in delivery;
2 grades: 4 double motors 121 of middle wheel and trailing wheel all are in delivery;
3 grades: 2 double motors 121 that 2 double motors 121 of trailing wheel are in delivery+middle wheel are in half discharge capacity;
4 grades: 2 double motors 121 of trailing wheel are in delivery;
5 grades: 2 double motor places 121 of middle wheel are in half discharge capacity.
Obviously, so be provided with, further improved the tractive performance and the ability that adapts to various road conditions of bracket carrier.
The hydraulic efficiency pump unit 14 that this specific embodiment provided can comprise specifically that first Hydraulic Pump 141 and second Hydraulic Pump, 142, the first Hydraulic Pumps 141 and second Hydraulic Pump 142 all have actuating device 15 to drive.Wherein, First Hydraulic Pump 141 is connected through hydraulic tubing 13 with the HM Hydraulic Motor 12 that is positioned at support 11 1 sides; The HM Hydraulic Motor 12 that promptly is connected with the front-wheel that is arranged in support 11 1 sides, the double motor that is connected with the wheel that is positioned at this side 121 and the double motor 121 that is connected with the trailing wheel that is positioned at this side all are connected in first Hydraulic Pump 141 through hydraulic tubing 13; Equally; Second Hydraulic Pump 142 is connected through hydraulic tubing 13 with the HM Hydraulic Motor 12 that is positioned at support 11 opposite sides; The HM Hydraulic Motor 12 that promptly is connected with the front-wheel that is arranged in support 11 opposite sides, the double motor that is connected with the wheel that is positioned at this side 121 and the double motor 121 that is connected with the trailing wheel that is positioned at this side all are connected in second Hydraulic Pump 142 through hydraulic tubing 13.
Need to prove; The HM Hydraulic Motor 12 that is connected with two front-wheels 111 receives the driving action of first Hydraulic Pump 141 and second Hydraulic Pump 142 respectively; Two front-wheels 111 need have synchronism, so first Hydraulic Pump 141 and the control of second Hydraulic Pump 142 need have synchronism during with HM Hydraulic Motor that front-wheel 111 is connected.Equally, need have synchronism during the double motor 121 of the double motor 121 of wheel or two trailing wheels in two of first Hydraulic Pump 141 and the controls of second Hydraulic Pump 142.
In addition, the actuating device 15 that this specific embodiment provided can be specially diesel engine 151, and diesel engine 151 is connected with second Hydraulic Pump 142 with first Hydraulic Pump 141 respectively through auxiliary gear box 152.Those skilled in the art it is understandable that auxiliary gear box 152 can be delivered to the power of diesel engine 151 respectively first Hydraulic Pump 141 and second Hydraulic Pump 142.
So be provided with, after diesel engine 151 started, it was delivered to first Hydraulic Pump 141 and second Hydraulic Pump 142 through auxiliary gear box 152 respectively with power, and then drove first Hydraulic Pump 141 and 142 rotations of second Hydraulic Pump.
Certainly, the actuating device that this specific embodiment provided also can be the actuating device of other type, such as, spark ignition engine, gas engine etc. only need it to satisfy and drive first Hydraulic Pump 141 and second Hydraulic Pump, 142 required power get final product.
Excessive in order to prevent the hydraulic fluid pressure in the hydraulic tubing 13, and then damage hydraulic efficiency pressure system, also can be provided with by pass valve device 18 on the hydraulic tubing 13 that this specific embodiment provides.
So be provided with, when the pressure in the hydraulic tubing 13 reached the preset pressure of by pass valve device 18, by pass valve device 18 was opened automatically, and the pressure oil in the hydraulic tubing 13 flows back in the fuel tank, to reduce the oil liquid pressure in the hydraulic tubing 13.Therefore, so setting can effectively be evaded because of the hydraulic fluid pressure in the hydraulic tubing 13 excessively, and hydraulic efficiency pressure system is caused the problem of damage.
In addition, the flow-controlling gate 17 that this specific embodiment provided can be specially two-position-five-way solenoid valve, and double motor is in the delivery state when two-position-five-way solenoid valve is in first, and double motor was in half displacement condition when two-position-five-way solenoid valve was in second.
So be provided with, people only need can handle the state of double motor 121 through the position of handling two-position five-way valve, have effectively improved the operability of double motor 121.
In addition, need to prove, the bracket carrier of the six-wheel drive that this specific embodiment provided, its two pairs of double motors 121 do not limit to be connected in the wheel and trailing wheel, it is also dual mode setting as follows specifically:
First kind, two HM Hydraulic Motors that are connected with two front-wheels 111 and two HM Hydraulic Motors that are connected with two trailing wheels 113 are double motor, and hydraulic tubing is provided with the flow-controlling gate that each span of control is in delivery or half displacement condition.
Second kind, two HM Hydraulic Motors that are connected with two front-wheels 111 and with two in wheel 112 two HM Hydraulic Motors being connected be double motor, and hydraulic tubing is provided with and controls the flow-controlling gate that each span is in delivery or half displacement condition.
Like above-mentioned dual mode setting, same, can realize the six-wheel drive of bracket carrier, and it can select gear more, tractive performance and to adapt to the road conditions ability stronger.
More than a kind of bracket carrier that the utility model provided has been carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. a bracket carrier comprises vehicle frame, and said vehicle frame comprises the front-wheel that is arranged at its both sides, middle wheel and trailing wheel, it is characterized in that, each said front-wheel, each said middle wheel and each said trailing wheel all are connected with HM Hydraulic Motor; Said bracket carrier also comprises through the said HM Hydraulic Motor homogeneous phase of hydraulic tubing and each bonded assembly hydraulic efficiency pump unit and the actuating device that is connected with said hydraulic efficiency pump unit, and said hydraulic tubing is provided with a plurality of valve systems of controlling each said HM Hydraulic Motor start and stop respectively.
2. a kind of bracket carrier as claimed in claim 1; It is characterized in that; Two said HM Hydraulic Motors that wheel is connected in said with two and two said HM Hydraulic Motors that are connected with two said trailing wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.
3. a kind of bracket carrier as claimed in claim 2; It is characterized in that; Said hydraulic efficiency pump unit comprises first Hydraulic Pump and second Hydraulic Pump that is connected with said actuating device respectively, and said first Hydraulic Pump is connected through said hydraulic tubing with each the said HM Hydraulic Motor that is positioned at said support one side; Said second Hydraulic Pump is connected through said hydraulic tubing with each the said HM Hydraulic Motor that is positioned at said vehicle frame opposite side.
4. a kind of bracket carrier as claimed in claim 3 is characterized in that, said actuating device is a diesel engine, and said diesel engine is connected with said second Hydraulic Pump with said first Hydraulic Pump respectively through auxiliary gear box.
5. a kind of bracket carrier as claimed in claim 4 is characterized in that said hydraulic tubing is provided with the by pass valve device.
6. a kind of bracket carrier as claimed in claim 2; It is characterized in that; Said flow-controlling gate is a two-position-five-way solenoid valve; Said double motor was in the delivery state when said two-position-five-way solenoid valve was in first, and said double motor was in half displacement condition when said two-position-five-way solenoid valve was in second.
7. a kind of bracket carrier as claimed in claim 1; It is characterized in that; Two said HM Hydraulic Motors that are connected with two said front-wheels and two said HM Hydraulic Motors that are connected with two said trailing wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.
8. a kind of bracket carrier as claimed in claim 1; It is characterized in that; Two said HM Hydraulic Motors that are connected with two said front-wheels and two said HM Hydraulic Motors that are connected with two said middle wheels are double motor, and said hydraulic tubing is provided with the flow-controlling gate that each said span of control is in delivery or half displacement condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203953345U CN202242945U (en) | 2011-10-17 | 2011-10-17 | Bracket carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203953345U CN202242945U (en) | 2011-10-17 | 2011-10-17 | Bracket carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202242945U true CN202242945U (en) | 2012-05-30 |
Family
ID=46104235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203953345U Expired - Fee Related CN202242945U (en) | 2011-10-17 | 2011-10-17 | Bracket carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202242945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910206A (en) * | 2012-11-12 | 2013-02-06 | 连云港天明装备有限公司 | Bracket carrier |
| CN115593222A (en) * | 2022-12-16 | 2023-01-13 | 徐州徐工基础工程机械有限公司（Cn） | Four-wheel drive hydrostatic traveling system and vehicle |
-
2011
- 2011-10-17 CN CN2011203953345U patent/CN202242945U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910206A (en) * | 2012-11-12 | 2013-02-06 | 连云港天明装备有限公司 | Bracket carrier |
| CN115593222A (en) * | 2022-12-16 | 2023-01-13 | 徐州徐工基础工程机械有限公司（Cn） | Four-wheel drive hydrostatic traveling system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20161017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |