CN216546428U - Special chassis of mining portal support carrier - Google Patents
Special chassis of mining portal support carrier Download PDFInfo
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- CN216546428U CN216546428U CN202220161500.3U CN202220161500U CN216546428U CN 216546428 U CN216546428 U CN 216546428U CN 202220161500 U CN202220161500 U CN 202220161500U CN 216546428 U CN216546428 U CN 216546428U
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Abstract
The utility model discloses a special chassis of a mining portal support carrier, which comprises a frame platform; a plurality of support connection means; a plurality of crawler traveling mechanisms; the steering linkage mechanisms comprise side rotary seats, second oil cylinders, first oil cylinders and transmission lug seats, the side rotary seats are fixed on the frame platform, the second oil cylinders and the first oil cylinders are fixedly connected with two sides of the side rotary seats, one ends of extension shafts of the second oil cylinders and one ends of extension shafts of the first oil cylinders are fixed with the transmission lug seats, and the transmission lug seats are fixedly connected with the supporting rotary shafts; when the second oil cylinder and the first oil cylinder extend and contract, the transmission lug seats on the two sides rotate to drive the supporting and connecting device to rotate, and then the crawler travelling mechanism is driven to rotate. The utility model can independently control the steering and can also control the steering simultaneously by arranging the two pairs of steering linkage mechanisms, the steering is light and flexible, the turning radius is small, and the transportation operation efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of mining engineering mechanical equipment, and particularly relates to a special chassis of a mining portal support carrier.
Background
The crawler chassis is widely applied to engineering machinery and popularized in the coal mine machinery industry, vehicles such as a coal mine roadway repairing machine, a mining hydraulic excavator and a support carrier all adopt the crawler chassis, particularly when the support carrier is used for carrying a portal support, because of the special structure of the portal support, the supporting leg overall dimension of the portal frame is ultra-long and ultra-wide, the portal support needs to be transferred to be transported along the roadway direction in the roadway during transportation, and the transportation width is reduced. And use traditional tracked chassis's haulage vehicle, frame platform both sides do not have sufficient space to let the gate-type support transfer to, can not satisfy the tunnel width requirement during the transportation.
The chassis on the market at present all adopts overall structure, mainly by frame platform and crawler traveling system, leads to the whole weight of chassis big, realizes the locomotive through the differential of track and turns to, has led to turning radius big, and the turn time is longer, turns to the inflexibility.
Therefore, in order to solve the above technical problems, there is a need for a special chassis for a mining portal frame carrier.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special chassis of a mining portal support carrier, which aims to solve the problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a special chassis of a mining portal bracket carrier is characterized in that a frame platform is provided with a rectangular opening and a plurality of rotating shaft holes;
the supporting base cross shaft is connected to the lower end of the supporting base, the supporting rotating shaft is fixedly connected to the upper surface of the supporting base, and the supporting base hanging plate is fixed on the supporting rotating shaft;
the crawler belt walking mechanisms comprise crawler belt beams and crawler belts, transverse shaft holes are formed in the crawler belt beams, and transverse shafts of the supporting seats penetrate through the transverse shaft holes;
the steering linkage mechanisms comprise side rotary seats, second oil cylinders, first oil cylinders and transmission lug seats, the side rotary seats are fixed on the frame platform, the second oil cylinders and the first oil cylinders are fixedly connected with two sides of the side rotary seats, one ends of extension shafts of the second oil cylinders and one ends of extension shafts of the first oil cylinders are fixed with the transmission lug seats, and the transmission lug seats are fixedly connected with the supporting rotary shafts;
when the second oil cylinder and the first oil cylinder extend and contract, the transmission lug seats on the two sides rotate to drive the supporting and connecting device to rotate, and then the crawler travelling mechanism is driven to rotate
As a further improvement of the utility model, the rotating shaft holes are provided with rotating shaft sleeves, the number of the rotating shaft holes arranged on the frame platform is 4, and the rotating shaft holes are symmetrically arranged.
As a further improvement of the utility model, the two side rotary seats are respectively welded between the two groups of rotary shaft holes at the front end and between the two groups of rotary shaft holes at the rear end.
As a further improvement of the utility model, a linkage rod is hinged between the two transmission lug seats, and the distance of extension and contraction of the first oil cylinder and the second oil cylinder is controlled to be consistent by the linkage rod.
As a further improvement of the utility model, the supporting rotating shaft is provided with a key groove, the supporting rotating shaft and the transmission lug seat are connected by inserting a flat key into the key groove, and the supporting rotating shaft is in clearance fit with the transmission lug seat.
As a further improvement of the utility model, the supporting bases are connected to two ends of the transverse shaft of the supporting seat.
As a further improvement of the utility model, a reinforcing rib plate is welded on the side rotary seat.
Compared with the prior art, the utility model has the following advantages:
the utility model can independently control the steering and can also control the steering simultaneously by arranging the two pairs of steering linkage mechanisms, the steering is light and flexible, the turning radius is small, and the transportation operation efficiency is improved.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a special chassis of a mining portal support truck according to an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a steering linkage mechanism of a special chassis of a mining portal frame carrier in an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a supporting and connecting device for a special chassis of a mining portal frame carrier according to an embodiment of the present invention.
In the figure: 1. the frame platform comprises a frame platform body, 101 rotating shaft holes, 102 rotating shaft sleeves, 103 rectangular openings, 2 supporting connecting devices, 201 supporting seat transverse shafts, 202 supporting bases, 203 supporting rotating shafts, 204 key grooves, 205 supporting seat hanging plates, 3 crawler traveling mechanisms, 301 crawler beams, 302 crawlers, 303 transverse shaft holes, 4 steering linkage mechanisms, 401 side rotating seats, 402 first oil cylinder mounting holes, 403 second oil cylinder mounting holes, 404 second oil cylinders, 405 first oil cylinders, 406 transmission lug seats, 407 first lug shaft holes, 408 second lug shaft holes, 409 linkage rods.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiments, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The utility model discloses a special chassis of a mining portal frame carrier, which comprises a frame platform 1, a support connecting device 2, crawler traveling mechanisms 3 and a steering linkage mechanism 4, wherein four crawler traveling mechanisms 3 are arranged below the frame platform 1, the frame platform 1 is fixed with the crawler traveling mechanisms 3 through the support connecting device 2 and the steering linkage mechanism 4, the supporting force on the frame platform 1 is increased, the functions of traveling, stabilizing and supporting a vehicle body are realized, four rotating shaft holes 101 are formed in the frame platform 1, the rotating shaft holes 101 are used for positioning the crawler traveling mechanisms 3, rotating shaft sleeves 102 are fixed on the rotating shaft holes 101, a support rotating shaft 203 penetrates through the rotating shaft sleeves 102 to be connected with transmission lug seats 406, the support connecting device 2 is conveniently driven to rotate by a second oil cylinder 404 and a first oil cylinder 405, a rectangular opening 103 is formed in the frame platform 1, when a coal mine portal frame is transported, the supporting legs of the bracket can be rotated into the rectangular opening, so that the transportation width is reduced.
Two turn to the link gear 4 and all fix on frame platform 1, but one of them steering link gear 4 of independent control turns to, also can control two and turn to the link gear 4 and turn to simultaneously, two side turntables 401 are fixed respectively in the middle of two pivot holes 101 of frame platform 1 front end and in the middle of two pivot holes 101 of rear end, are convenient for carry out synchronous accent to crawler travel mechanism 3, turn to the link gear 4 and increased the stability of vehicle when transferring to.
The side swivel base 401 is provided with a reinforcing rib plate, the side swivel base 401 is provided with a first oil cylinder mounting hole 402 and a second oil cylinder mounting hole 403, so that a second oil cylinder 404 and a first oil cylinder 405 can be fixed with the side swivel base 401 conveniently, the second oil cylinder 404 and the first oil cylinder 405 are respectively positioned at two sides of the side swivel base 401, one end of a projecting shaft of the second oil cylinder 404 and one end of a projecting shaft of the first oil cylinder 405 are respectively fixed with a second lug hole 408 on a transmission lug seat 406 through a pin shaft, the telescopic motion of the projecting shafts of the second oil cylinder 404 and the first oil cylinder 405 can facilitate the two transmission lug seats 406 to rotate, in order to ensure that the rotating angles and directions of the two transmission lug seats 406 are consistent to a certain degree, the transmission lug seat 406 is provided with a first lug hole 407, two ends of a linkage rod 409 are respectively hinged with the first lug hole 407, the linkage rod 409 realizes the synchronization of the extension of the second oil cylinder 404 and the contraction of the first oil cylinder 405, and can obtain larger steering thrust, the two crawler belt traveling mechanisms 3 in the same group can be guaranteed to be capable of steering at the same time, the steering angle can reach 40 degrees, the steering linkage mechanism 4 reduces the turning radius of the transport vehicle, and the crawler belt traveling mechanisms have the advantages of being good in controllability, flexible in steering and the like.
The support rotating shaft 203 is fixed in the middle rotating hole of the transmission ear seat 406 through the fixing of the flat key and the key groove 204, the diameter of the support seat hanging plate 205 is larger than that of the support rotating shaft 203, the support seat hanging plate 205 is fixed on the upper surface of the transmission ear seat 406, and the support rotating shaft 203 and the transmission ear seat 406 can rotate at the same angle conveniently.
The supporting and connecting device 2 comprises a supporting base transverse shaft 201, a supporting base 202, a supporting rotary shaft 203, a key groove 204 and a supporting base hanging plate 205, wherein the supporting rotary shaft 203 is provided with the key groove 204, the supporting rotary shaft 203 and a transmission ear seat 406 are fixed and simultaneously keep rotating at the same frequency, the supporting base 202 is connected below the supporting rotary shaft 203, the lower end of the supporting base 202 is provided with a through hole, the supporting base transverse shaft 201 can conveniently pass through, the crawler beam 301 is provided with a through hole transverse shaft hole 303, the supporting base transverse shaft 201 is fixed on the outer side of the transverse shaft hole 303, the supporting base transverse shaft 201 and the transverse shaft hole 303 are connected through the supporting base transverse shaft 201, and in order not to hinder the movement of the crawler beam 302, the transverse shaft hole 303 passes through the middle of the supporting base transverse shaft 201 and the crawler beam 301.
In order to facilitate walking, the crawler belt 302 is connected to the outer side of the crawler belt beam 301, the four crawler belt traveling mechanisms 3 are symmetrically arranged in parallel in the front and back direction, the space of the bottom of the vehicle can be increased, good trafficability characteristic is obtained, and in order to prevent the crawler belt traveling mechanisms 3 from idling when the vehicle travels on a pothole road, the crawler belt traveling mechanisms 3 are connected with synchronizing valves, so that each crawler belt traveling mechanism 3 can obtain the same hydraulic power.
When the transport vehicle turns to the right, because the second oil cylinder 404 and the first oil cylinder 405 are controlled by the length of the linkage rod 409, the second oil cylinder 404 extends out to be the same as the length of the first oil cylinder 405, the second oil cylinder 404 extends out, the first oil cylinder 405 contracts to obtain larger steering thrust, the two transmission lug seats 406 are driven to rotate to the right, the support rotating shaft 203 rotates along with the transmission lug seats 406, then the crawler travelling mechanism 3 also turns to the right, after the turning is finished, the second oil cylinder 404 contracts, the first oil cylinder 405 extends out, the transmission lug seats 406 rotate to the left by the same angle, the support rotating shaft 203 also rotates to the left, the crawler travelling mechanism 3 restores to the original direction, when the transport vehicle turns to the left, the second oil cylinder 404 contracts, the first oil cylinder 405 extends out to drive the two transmission lug seats 406 to rotate to the left, the support rotating shaft 203 rotates along with the transmission lug seats, then the crawler travelling mechanism 3 also turns to the left, after the steering is finished, the second oil cylinder 404 extends out, the first oil cylinder 405 contracts, the transmission lug seat 406 rotates to the right by the same angle, the support rotating shaft 203 also rotates to the right, the crawler traveling mechanisms 3 restore to the original direction, the steering linkage mechanism 4 can be operated to independently control the two sets of crawler traveling mechanisms 3 to steer simultaneously, the two sets of crawler traveling mechanisms 3 to steer independently can be controlled simultaneously, the steering angle can reach 40 degrees, and the purpose of reducing the turning radius of the vehicle can be realized.
Compared with the prior art, the utility model has the following advantages:
1. the special chassis of the mining portal support carrier adopts four independent crawler traveling mechanisms which are symmetrically arranged in front and back two groups, and has high structural strength, strong driving force and high stability of a carrier body for transporting special equipment.
2. According to the special chassis of the mining portal support carrier, the structure of the carrier body is optimized, the rectangular opening is reserved on the frame platform, the upright post of the portal support can be placed in the carrier body, the transportation width is greatly reduced, the transportation mode of the portal support is changed, and the transportation operation efficiency is improved.
3. The special chassis of the mining portal support carrier can be widely applied to various crawler-type mining engineering machines, and well meets the transportation requirements of coal mine equipment.
According to the technical scheme, the utility model has the following beneficial effects:
the utility model can control the steering independently or simultaneously by arranging two pairs of steering linkage mechanisms, has light and flexible steering and small turning radius, and improves the transportation operation efficiency.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the specification has been described in terms of embodiments, not every embodiment includes every single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole can be combined as appropriate to form other embodiments as will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a special chassis of mining portal frame carrier which characterized in that includes:
the frame platform is provided with a rectangular opening and a plurality of rotating shaft holes;
the supporting base cross shaft is connected to the lower end of the supporting base, the supporting rotating shaft is fixedly connected to the upper surface of the supporting base, and the supporting base hanging plate is fixed on the supporting rotating shaft;
the crawler belt walking mechanisms comprise crawler belt beams and crawler belts, transverse shaft holes are formed in the crawler belt beams, and transverse shafts of the supporting seats penetrate through the transverse shaft holes;
the steering linkage mechanisms comprise side rotary seats, second oil cylinders, first oil cylinders and transmission lug seats, the side rotary seats are fixed on the frame platform, the second oil cylinders and the first oil cylinders are fixedly connected with two sides of the side rotary seats, one ends of extension shafts of the second oil cylinders and one ends of extension shafts of the first oil cylinders are fixed with the transmission lug seats, and the transmission lug seats are fixedly connected with the supporting rotary shafts;
when the second oil cylinder and the first oil cylinder extend out and contract, the transmission lug seats on the two sides rotate to drive the supporting and connecting device to rotate, and then the crawler travelling mechanism is driven to rotate.
2. The special chassis of the mining portal support carrier of claim 1, wherein a spindle sleeve is mounted on the spindle hole, the number of the spindle holes formed in the frame platform is 4, and the spindle holes are symmetrically arranged.
3. The special chassis of the mining portal frame carrier of claim 2, wherein two side rotating seats are welded in the middle of two sets of rotating shaft holes at the front end and in the middle of two sets of rotating shaft holes at the rear end respectively.
4. The special chassis of the mining portal bracket carrier as claimed in claim 2 or 3, wherein a linkage rod is hinged between the two transmission lug seats, and the linkage rod controls the extending and retracting distances of the first oil cylinder and the second oil cylinder to be consistent.
5. The special chassis of the mining portal frame carrier of claim 1, wherein the supporting rotating shaft is provided with a key groove, the supporting rotating shaft and the transmission lug seat are connected by inserting a flat key into the key groove, and the supporting rotating shaft is in clearance fit with the transmission lug seat.
6. The special chassis of a mining portal frame truck according to claim 1, wherein the support base is connected to both ends of a support base transverse shaft.
7. The special chassis of the mining portal support truck as claimed in claim 1, wherein a reinforcing rib plate is welded on the side swivel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161500.3U CN216546428U (en) | 2022-01-21 | 2022-01-21 | Special chassis of mining portal support carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161500.3U CN216546428U (en) | 2022-01-21 | 2022-01-21 | Special chassis of mining portal support carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216546428U true CN216546428U (en) | 2022-05-17 |
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ID=81562133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220161500.3U Active CN216546428U (en) | 2022-01-21 | 2022-01-21 | Special chassis of mining portal support carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216546428U (en) |
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2022
- 2022-01-21 CN CN202220161500.3U patent/CN216546428U/en active Active
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