CN213478362U

CN213478362U - Straddle type anchor rod drill carriage

Info

Publication number: CN213478362U
Application number: CN202022649238.0U
Authority: CN
Inventors: 李钦彬; 王凯; 任军; 宋金德; 司癸卯; 张政
Original assignee: Jiangsu Zingo Heavy Industry Co ltd
Current assignee: Jiangsu Zingo Heavy Industry Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-18
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a straddle type anchor rod drill carriage, relating to the technical field of drilling support equipment; it comprises a vehicle body and a walking device; the walking device is arranged at the bottom of the vehicle body; the running gear comprises a first running mechanism and a second running mechanism which are arranged on two opposite sides of the vehicle body, and the first running mechanism, the second running mechanism and the vehicle body form a vehicle running channel for a transport vehicle to pass through. According to the utility model provides a straddle type stock drill carriage makes the improvement to automobile body and running gear's structure for both can form a carriage way that transports such as confession coal transport dolly pass through, and the transport vechicle can directly pass through by this carriage way, and the stock drill carriage of this application can straddle on the transport vechicle promptly, prevents to influence each other with transport vehicles such as coal transport vechicle, has practiced thrift the time of tunnelling work.

Description

Straddle type anchor rod drill carriage

Technical Field

The utility model belongs to the technical field of drilling support equipment technique and specifically relates to a straddle type stock drill carriage is related to.

Background

At present, the coal resources in China are rich, the fully mechanized mining equipment is mature, and the coal mining process is gradually improved. Along with the shortage of energy, the coal mining pace in China is increasingly accelerated, and higher requirements are provided for the supporting operation of the roadway.

In order to adapt to a rapid tunneling process and improve the working efficiency of coal mine footage, support operation needs to be carried out during transportation, but the conventional multi-arm anchor rod drill carriage is usually wide in frame and inflexible in action, so that the walking of transport vehicles such as a coal truck and the like is influenced, and extra time is added for the whole tunneling work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straddle type stock drill carriage to it is inconvenient when solving transport vechicles such as current stock drill carriage and coal car and staggering, influences the problem of tunnelling work progress.

In order to solve the technical problem, the utility model provides a straddle type stock drill carriage, concrete technical scheme is as follows:

a straddle type anchor rod drill carriage comprises a carriage body and a traveling device; the walking device is arranged at the bottom of the vehicle body; the running gear comprises a first running mechanism and a second running mechanism which are arranged on two opposite sides of the vehicle body, and the first running mechanism, the second running mechanism and the vehicle body form a vehicle running channel for a transport vehicle to pass through.

Further, a first guide pulley is arranged on the inner side, close to the second travelling mechanism, of the first travelling mechanism; and/or a second guide pulley is arranged on the inner side of the second travelling mechanism close to the first travelling mechanism.

Furthermore, two first drilling devices are installed on the front side of the vehicle body, and two second drilling devices are installed on the rear side of the vehicle body.

Further, the first drilling device comprises a first telescopic mechanism, a first lifting mechanism and a first drilling mechanism; the first telescopic mechanism is arranged on the vehicle body; the first lifting mechanism is connected with the first telescopic mechanism and driven by the first telescopic mechanism to reciprocate in a first horizontal direction; the first drilling mechanism is connected with the first lifting mechanism and is driven by the first lifting mechanism to lift; the second drilling device comprises a second telescopic mechanism, a second lifting mechanism and a second drilling mechanism; the second telescopic mechanism is arranged on the vehicle body; the second lifting mechanism is connected with the second telescopic mechanism and driven by the second telescopic mechanism to reciprocate in a second horizontal direction; the second drilling mechanism is connected with the second lifting mechanism and is driven by the second lifting mechanism to lift; wherein the first horizontal direction is perpendicular to the second horizontal direction.

Further, the first drilling mechanism comprises a first mounting frame, a first cylinder and a first drilling part; the first mounting frame is connected with the first lifting mechanism and is provided with a first connecting part and a second connecting part which are arranged at intervals, and the first connecting part is hinged with the first drilling part; one end of the first cylinder body is hinged to the second connecting portion, and the other end of the first cylinder body is hinged to the first drilling portion.

Further, the first lifting mechanism comprises a fixed sliding block, a sliding frame, a second cylinder body, a movable sliding block, a second mounting frame, a rotating structure and a third cylinder body; the fixed sliding block is arranged on the sliding frame and is connected with the telescopic mechanism; the second cylinder body is connected with the sliding frame so as to drive the sliding frame to lift on the fixed sliding block; the movable sliding block is mounted on the sliding frame, and the second mounting frame is mounted on the movable sliding block; the rotating structure is arranged on the second mounting rack, is connected with the drilling mechanism and drives the drilling mechanism to rotate; the third cylinder body is connected with the movable sliding block and drives the movable sliding block to slide on the sliding frame.

Further, the first telescopic mechanism comprises a first telescopic arm, a second telescopic arm and a fourth cylinder body; the first telescopic arm is mounted on the vehicle body; the second telescopic arm and the fourth cylinder body are arranged in the first telescopic arm, and the fourth cylinder body can drive the second telescopic arm to extend and retract in the front-rear direction of the vehicle body; the second telescopic arm is connected with the lifting mechanism; and/or the second telescopic mechanism comprises a fifth cylinder body, a third telescopic arm and a vertical mounting plate; one end of the fifth cylinder body is connected with the vehicle body, and the other end of the fifth cylinder body is connected with the third telescopic arm and drives the third telescopic arm to extend and retract in the left and right directions of the vehicle body; the third telescopic arm is connected with the vertical mounting plate, and the second lifting mechanism is installed on the vertical mounting plate.

Furthermore, a lifting bracket mechanism is mounted on the vehicle body.

Further, the bracket mechanism includes a first bracket arm, a second bracket arm, a third bracket arm, a bracket assembly, a sixth cylinder, and a seventh cylinder; said first bracket arm being mounted to said body, said second bracket arm being received within said first bracket arm, said third bracket arm being received within said second bracket arm, said bracket assembly being mounted atop said third bracket arm; one end of the sixth cylinder is connected with the first bracket arm, and the other end of the sixth cylinder is connected with the second bracket arm so as to drive the second bracket arm to lift; the seventh cylinder is located in the second bracket arm and connected with the third bracket arm to drive the third bracket arm to lift.

Further, a turnover pedal assembly, a first telescopic pedal assembly and a second telescopic pedal assembly are mounted on the vehicle body; the turnover pedal assembly comprises a first pedal and an eighth cylinder body; the first pedal is hinged to the side part of the vehicle body, one end of the eighth cylinder body is connected with the vehicle body, and the other end of the eighth cylinder body is connected with the first pedal so as to drive the pedal to rotate; the first telescopic pedal assembly comprises a second pedal and a ninth cylinder body; the ninth cylinder body is arranged on the vehicle body and connected with the second pedal so as to drive the second pedal to extend and retract on the front side of the vehicle body; the second telescopic pedal assembly is positioned in the first pedal and comprises a third pedal and a tenth cylinder body, and the tenth cylinder body is connected with the third pedal so as to drive the third pedal to be telescopic relative to the first pedal.

According to the utility model provides a straddle type stock drill carriage makes the improvement to automobile body and running gear's structure for both can form a carriage way that transports such as confession coal transport dolly pass through, and the transport vechicle can directly pass through by this carriage way, and the stock drill carriage of this application can straddle on the transport vechicle promptly, prevents to influence each other with transport vehicles such as coal transport vechicle, has practiced thrift the time of tunnelling work.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a straddle-type anchor rod drill carriage according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a straddle-type anchor rod drill carriage provided in an embodiment of the present invention in a working state;

fig. 3 is a schematic structural diagram of a first drilling mechanism of a straddle-type anchor rod drill rig according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first lifting mechanism of a straddle-type anchor rod drill rig according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a first telescoping mechanism of a straddle-type anchor rod drill rig according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a bracket mechanism of a straddle-type anchor drill rig according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a second telescoping mechanism of the straddle-type anchor rod drill rig according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a host platform of a straddle-type anchor rod drill rig according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a second traveling mechanism of the straddle-type anchor drill rig according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a front drill box of the straddle-type jumbolter drill according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a rear drill box of the straddle-type jumbolter drill provided by the embodiment of the present invention.

Icon:

1-a vehicle body; 11-a chassis;

2-a walking device; 21-a first travel mechanism; 22-a second running gear; 23-a carriage way; 24-a first guide pulley; 25-a second guide pulley; 26-a track mount; 27-protective plate; 28-a track assembly;

3-a first drilling device; 31-a first telescoping mechanism; 311-a first telescopic arm; 312-a second telescopic arm; 32-a first lifting mechanism; 321-fixed sliding blocks; 322-a carriage; 323-a second cylinder; 324-a movable slider; 325 — a second mount; 326-a rotating structure; 327-a third cylinder; 33-a first drilling mechanism; 331-a first mounting frame; 3311-first connection; 3312-a second connecting portion; 332-a first cylinder; 333-a first drilling section;

4-a second drilling device; 41-a second telescoping mechanism; 411-fifth cylinder; 412-a third telescopic arm; 413-a vertical mounting plate; 42-a second lifting mechanism; 43-a second drilling mechanism;

5-a carriage mechanism; 51-a first bracket arm; 52-a second bracket arm; 53-a third bracket arm; 54-a bracket assembly; 541-a fourth carriage arm; 542-a fifth bracket arm; 55-sixth cylinder;

6-a pedal device; 61-a flip pedal assembly; 611-a first pedal; 612-eighth cylinder; 62-a first telescoping step assembly; 621-a second pedal; 63-a second telescoping step assembly; 631-a third pedal;

7-front drill operation box; 71-a first water system; 72-a first pilot handle; 73-a first pressure gauge; 74-first hydraulic handle; 75-a first scram switch; 76-material box;

8-rear drill operation box; 81-a second water system; 82-a second pilot handle; 83-a second pressure gauge; 84-a second hydraulic handle; 85-second emergency stop switch.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present embodiment provides a straddle type anchor rod drill carriage, which includes a carriage body 1 and a traveling device 2; the vehicle body 1 of the embodiment comprises a vehicle chassis 11, and the running gear 2 is arranged at the bottom of the vehicle chassis 11; based on the problems in the background art, the present embodiment improves the structures of the running gear 2 and the chassis 11, the running gear 2 of the present embodiment includes the first running gear 21 and the second running gear 22 installed on the two opposite sides of the vehicle body 1, the first running gear 21, the second running gear 22 and the vehicle body 1 of the present embodiment form a running channel 23 for the transport vehicle to pass through, the formation of the running channel 23 is to make a limited design for the height of the chassis, and to make a limited design for the distance between the first running gear 21 and the second running gear 22, so that the running channel 23 can meet the passing requirements of the general transport vehicle (for example, coal transporting trolley).

When the transport vechicle passes through this transportation corridor, the stock drill carriage of this embodiment can straddle on the transport vechicle, prevents to influence each other with transport vehicles such as fortune coal truck, has practiced thrift the time of tunnelling work, can work simultaneously with equipment such as entry driving machine moreover.

Referring to fig. 9, as a preferred embodiment of the present embodiment, the present embodiment is provided with a first guide pulley 24 on the inner side of the first traveling mechanism 21 close to the second traveling mechanism 22, and a second guide pulley 25 on the inner side of the second traveling mechanism 22 close to the first traveling mechanism 21, so as to prevent the transport vehicle from deviating from the track and colliding with the track assembly 28.

The first traveling mechanism 21 and the second traveling mechanism 22 of the present embodiment have the same structure, and each of the first traveling mechanism 21 and the second traveling mechanism 22 includes a track mounting bracket 26, a protection plate 27 and a track assembly 28, the first guide pulley 24 and the second guide pulley 25 are installed at both ends of the inner side of the corresponding track assembly 28, the track mounting bracket 26 is installed at the upper portion of the track assembly 28 and is used for installing a host platform described below, and the protection plate 27 is installed at the inner side of the track mounting bracket 26 and plays a role in protection when traveling.

In addition, the utility model discloses the people discovery, the anchor that the current stock drill carriage can realize the top group bores work, but the limited adaptation tunnel scope of stroke is little, can not satisfy the drilling work of tunnel bottom stock moreover, and the majority is by artifical the benefit beat, can not realize full-section anchor and bore work, therefore the operating efficiency is low, influences the tunnelling footage.

Therefore, the present embodiment improves the drilling equipment of the shikim drill rig, and as shown in fig. 2, firstly, two first drilling devices 3 are installed on the front side of the vehicle body 1 of the present embodiment, two second drilling devices 4 are installed on the rear side of the vehicle body 1, the first drilling devices 3 mainly perform the anchor drilling operation on the top wall, and the second drilling devices 4 mainly perform the anchor drilling operation on the bottom of the roadway, so that the anchor drilling operation of the full section is realized.

In addition, the first drilling device 3 and the second drilling device 4 are improved in the embodiment, so that the strokes of the two devices are increased, and the range of adaptation to the roadway is increased.

As a preferable embodiment of the present embodiment, the first drilling device 3 of the present embodiment includes a first telescoping mechanism 31, a first elevating mechanism 32, and a first drilling mechanism 33; wherein, the first telescopic mechanism 31 of the embodiment is installed on the vehicle body 1; the first lifting mechanism 32 is connected with the first telescopic mechanism 31 and driven by the first telescopic mechanism 31 to reciprocate in a first horizontal direction; the first drilling mechanism 33 is connected to the first elevating mechanism 32 and is driven by the first elevating mechanism 32 to ascend and descend. The first horizontal direction in the present embodiment is the left-right direction of the vehicle body 1.

Similarly, referring to fig. 7, the second drilling device 4 of the present embodiment includes a second telescoping mechanism 41, a second lifting mechanism 42, and a second drilling mechanism 43; the second telescopic mechanism 41 is mounted on the vehicle body 1; the second lifting mechanism 42 is connected with the second telescopic mechanism 41 and driven by the second telescopic mechanism 41 to reciprocate in the second horizontal direction; the second drilling mechanism 43 is connected with the second lifting mechanism 42 and is driven by the second lifting mechanism 42 to lift; however, the first horizontal direction is perpendicular to the second horizontal direction, the first horizontal direction is the left-right direction of the vehicle body 1, and the second horizontal direction is the front-rear direction of the vehicle body 1, that is, the first drilling device 3 and the second drilling device 4 are most different in the extending and contracting directions.

As shown in fig. 3, the first drilling mechanism 33 of the present embodiment includes a first mounting frame 331, a first cylinder 332, and a first drilling part 333; the first cylinder 332 and the cylinder structures described below can be hydraulic cylinders, the first mounting frame 331 of the present embodiment is connected to the first lifting mechanism 32, and has a first connecting portion 3311 and a second connecting portion 3312 arranged at an interval, the first connecting portion 3311 is hinged to the first drilling portion 333; the first cylinder 332 has one end hinged to the second connecting portion 3312 and the other end hinged to the first drilling portion 333. Fine adjustment of the spatial position of the first drilling part 333 can be achieved by the first cylinder 332 of the present embodiment so that the first drilling part 333 can be in the optimum working position.

As shown in fig. 4, the first lifting mechanism 32 of the present embodiment includes a fixed slider 321, a carriage 322, a second cylinder 323, a movable slider 324, a second mounting bracket 325, a rotating structure 326, and a third cylinder 327; the fixed slider 321 of the present embodiment is mounted on the carriage 322 and connected to the telescopic mechanism; the second cylinder 323 of the present embodiment is connected to the sliding frame 322 to drive the sliding frame 322 to move up and down on the fixed sliding block 321; the movable slider 324 of the present embodiment is mounted on the carriage 322, and the second mount 325 is mounted on the movable slider 324; the rotating structure 326 is installed on the second mounting rack 325, and the rotating structure 326 is connected with the drilling mechanism and drives the drilling mechanism to rotate; the third cylinder 327 of this embodiment is connected to the movable slider 324, and drives the movable slider 324 to slide on the carriage 322. The structure can drive the drilling mechanism to realize multi-stage lifting so as to improve the lifting stroke of the drilling mechanism.

Referring to fig. 5, the first telescopic mechanism 31 of the present embodiment includes a first telescopic arm 311, a second telescopic arm 312, and a fourth cylinder (not shown); the first telescopic arm 311 is mounted on the vehicle body 1; the second telescopic arm 312 and a fourth cylinder are installed in the first telescopic arm 311, and the fourth cylinder can drive the second telescopic arm 312 to extend and retract in the front-rear direction of the vehicle body 1; the second telescopic arm 312 is connected with the lifting mechanism;

the second drilling mechanism 43 and the second lifting mechanism 42 of the second drilling device 4 of the present embodiment have similar structural forms to the first drilling mechanism 33 and the first lifting mechanism 32, but the stroke ranges can be adjusted as needed, and therefore, the structure of the second drilling mechanism 43 and the second lifting mechanism 42 will not be described in detail in the present embodiment.

Referring to fig. 7, the second drilling device 4 of the present embodiment is different from the first drilling device 3 in both the telescopic direction and the telescopic structure, and the second telescopic mechanism 41 of the present embodiment includes a fifth cylinder 411, a third telescopic arm 412 and a vertical mounting plate 413; one end of the fifth cylinder 411 is connected to the vehicle body 1, and the other end is connected to the third telescopic arm 412, and drives the third telescopic arm 412 to extend and retract in the left-right direction of the vehicle body 1; the third telescopic arm 412 is connected to the vertical mounting plate 413, and the second fixed slider 321 (not shown in the figure, and having the same structure as the first fixed slider 321) of the second lifting mechanism 42 is mounted on the vertical mounting plate 413.

As shown in fig. 6, the vehicle body 1 of the present embodiment is provided with the bracket mechanism 5 that can be lifted and lowered, based on the above-described structure. The bracket mechanism 5 of the present embodiment includes a first bracket arm 51, a second bracket arm 52, a third bracket arm 53, a bracket assembly 54, a sixth cylinder 55, and a seventh cylinder (not shown in the drawings).

Wherein, the first bracket arm 51 of the embodiment is installed on the vehicle body 1, the second bracket arm 52 is inserted into the first bracket arm 51, the third bracket arm 53 is inserted into the second bracket arm 52, and the bracket assembly 54 is installed on the top of the third bracket arm 53; one end of the sixth cylinder 55 is connected to the first bracket arm 51, and the other end is connected to the second bracket arm 52, so as to drive the second bracket arm 52 to move up and down; the seventh cylinder is located in the second bracket arm 52 and connected to the third bracket arm 53 to lift the third bracket arm 53. This structure enables multi-stage lifting of the bracket assembly 54 to improve its lifting stroke.

As a preferred embodiment of the present embodiment, the bracket assembly 54 of the present embodiment includes an H-shaped fourth bracket arm 541 and two fifth bracket arms 542 inserted in the H-shaped fourth bracket arm 541, wherein the fifth bracket arms 542 can be extended and retracted by an oil cylinder or the like to adjust a bearing range of the bracket assembly 54.

Referring to fig. 8, in order to facilitate a person to get on or off the drill carriage, the pedal device 6 is mounted on the carriage body 1, and the pedal device 6 includes a turn pedal assembly 61, a first retractable pedal assembly 62 and a second retractable pedal assembly 63.

The tilt pedal assembly 61 of the present embodiment includes a first pedal 611 and an eighth cylinder 612; the first pedal 611 is hinged to the side of the vehicle body 1, one end of the eighth cylinder 612 is connected to the vehicle body 1, and the other end is connected to the first pedal 611 to drive the pedals to rotate; the first telescopic pedal assembly 62 of the present embodiment includes a second pedal 621 and a ninth cylinder (not shown in the drawings); the ninth cylinder body is arranged on the vehicle body 1 and connected with the second pedal 621 so as to drive the second pedal 621 to extend and retract on the front side of the vehicle body 1; the second retractable pedal assembly 63 of the present embodiment is located in the first pedal 611, and includes a third pedal 631 and a tenth cylinder (not shown), wherein the tenth cylinder is connected to the third pedal 631 to drive the third pedal 631 to extend and retract relative to the first pedal 611.

In order to facilitate control of the respective devices and to enable separate control of the first drilling device 3 and the second drilling device 4, the vehicle body 1 of the present embodiment is provided with a front drill operation box 7 and a rear drill operation box 8.

Referring to fig. 10, a front drilling machine operation box 7 is arranged on a vehicle body 1 of the embodiment, the front drilling machine operation box 7 includes a first water system 71, a first pilot handle 72, a first pressure gauge 73, a first hydraulic handle 74, a first emergency stop switch 75, a material box 76 and other structures, the first water system 71 is installed on a box body of the front drilling machine operation box 7 to provide water for a jumbolter, the first pilot handle 72 is installed on the front drilling machine operation box 7 to control various actions of the jumbolter, the first pressure gauge 73 is installed on the front drilling machine operation box 7 to monitor system pressure and pilot pressure, the material box 76 is installed on the front drilling machine operation box 7 to store some tools, materials and the like, and the first hydraulic handle 74 is installed on the box body of the front drilling machine operation box 7 to control various actions of a first lifting mechanism 32 and a first telescoping mechanism 31.

Referring to fig. 11, the rear drilling machine operation box 8 of the present embodiment is similar to the front drilling machine operation box 7 in structure, and includes a second water system 81, a second pilot handle 82, a second pressure gauge 83, a second emergency stop switch 85 and a second hydraulic handle 84, where the second pressure gauge 83 is installed on the rear drilling machine operation box 8 to monitor the system pressure and the pilot pressure, the second pilot handle 82 is installed on the rear drilling machine operation box 8 to control each action of the jumbolter, the second emergency stop switch 85 is installed on the box body of the rear drilling machine operation box 8 to emergency stop, the second water system 81 is installed on the box body of the rear drilling machine operation box 8 to provide water for the jumbolter, and the hydraulic handle is installed on the rear drilling machine operation box 8 to control each action of the second lifting mechanism 42 and the second telescoping mechanism 41.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A straddle type anchor rod drill carriage comprises a carriage body and a traveling device; the walking device is arranged at the bottom of the vehicle body; the trolley is characterized in that the walking device comprises a first walking mechanism and a second walking mechanism which are arranged on two opposite sides of the trolley body, and the first walking mechanism, the second walking mechanism and the trolley body form a trolley passage for a transport trolley to pass through.

2. The straddle-type rock-bolt drill carriage of claim 1, wherein the first travel mechanism is provided with a first guide pulley adjacent to an inner side of the second travel mechanism; and/or a second guide pulley is arranged on the inner side of the second travelling mechanism close to the first travelling mechanism.

3. A straddle-type rock bolt drill carriage according to claim 1, wherein two first drilling devices are mounted on the front side of the carriage body, and two second drilling devices are mounted on the rear side of the carriage body.

4. The straddle-type rock bolt drill carriage of claim 3, wherein the first drilling device comprises a first telescoping mechanism, a first lifting mechanism, and a first drilling mechanism; the first telescopic mechanism is arranged on the vehicle body; the first lifting mechanism is connected with the first telescopic mechanism and driven by the first telescopic mechanism to reciprocate in a first horizontal direction; the first drilling mechanism is connected with the first lifting mechanism and is driven by the first lifting mechanism to lift;

the second drilling device comprises a second telescopic mechanism, a second lifting mechanism and a second drilling mechanism; the second telescopic mechanism is arranged on the vehicle body; the second lifting mechanism is connected with the second telescopic mechanism and driven by the second telescopic mechanism to reciprocate in a second horizontal direction; the second drilling mechanism is connected with the second lifting mechanism and is driven by the second lifting mechanism to lift;

wherein the first horizontal direction is perpendicular to the second horizontal direction.

5. The straddle-type rock bolt drill carriage of claim 4, wherein the first drilling mechanism comprises a first mounting bracket, a first cylinder, and a first drilling portion;

the first mounting frame is connected with the first lifting mechanism and is provided with a first connecting part and a second connecting part which are arranged at intervals, and the first connecting part is hinged with the first drilling part;

one end of the first cylinder body is hinged to the second connecting portion, and the other end of the first cylinder body is hinged to the first drilling portion.

6. The straddle-type rock-bolt drill carriage of claim 4, wherein the first lifting mechanism comprises a fixed slide, a carriage, a second cylinder, a movable slide, a second mounting bracket, a rotating structure, and a third cylinder;

the fixed sliding block is arranged on the sliding frame and is connected with the telescopic mechanism;

the second cylinder body is connected with the sliding frame so as to drive the sliding frame to lift on the fixed sliding block;

the movable sliding block is mounted on the sliding frame, and the second mounting frame is mounted on the movable sliding block;

the rotating structure is arranged on the second mounting rack, is connected with the drilling mechanism and drives the drilling mechanism to rotate;

the third cylinder body is connected with the movable sliding block and drives the movable sliding block to slide on the sliding frame.

7. The straddle-type rock bolt drill carriage of claim 4, wherein the first telescoping mechanism comprises a first telescoping arm, a second telescoping arm, and a fourth cylinder; the first telescopic arm is mounted on the vehicle body; the second telescopic arm and the fourth cylinder body are arranged in the first telescopic arm, and the fourth cylinder body can drive the second telescopic arm to extend and retract in the front-rear direction of the vehicle body; the second telescopic arm is connected with the lifting mechanism;

and/or the second telescopic mechanism comprises a fifth cylinder body, a third telescopic arm and a vertical mounting plate; one end of the fifth cylinder body is connected with the vehicle body, and the other end of the fifth cylinder body is connected with the third telescopic arm and drives the third telescopic arm to extend and retract in the left and right directions of the vehicle body; the third telescopic arm is connected with the vertical mounting plate, and the second lifting mechanism is installed on the vertical mounting plate.

8. A straddle-type rock-bolt drill carriage according to any one of claims 1 to 7, wherein the carriage body is provided with a liftable bracket mechanism.

9. The straddle-type rock-bolt drill carriage of claim 8, wherein the bracket mechanism comprises a first bracket arm, a second bracket arm, a third bracket arm, a bracket assembly, a sixth cylinder, and a seventh cylinder;

said first bracket arm being mounted to said body, said second bracket arm being received within said first bracket arm, said third bracket arm being received within said second bracket arm, said bracket assembly being mounted atop said third bracket arm;

one end of the sixth cylinder is connected with the first bracket arm, and the other end of the sixth cylinder is connected with the second bracket arm so as to drive the second bracket arm to lift;

the seventh cylinder is located in the second bracket arm and connected with the third bracket arm to drive the third bracket arm to lift.

10. A straddle-type jumbolter drill carriage according to any one of claims 1 to 7, wherein the vehicle body is provided with a turnover pedal assembly, a first telescopic pedal assembly and a second telescopic pedal assembly;

the turnover pedal assembly comprises a first pedal and an eighth cylinder body; the first pedal is hinged to the side part of the vehicle body, one end of the eighth cylinder body is connected with the vehicle body, and the other end of the eighth cylinder body is connected with the first pedal so as to drive the pedal to rotate;

the first telescopic pedal assembly comprises a second pedal and a ninth cylinder body; the ninth cylinder body is arranged on the vehicle body and connected with the second pedal so as to drive the second pedal to extend and retract on the front side of the vehicle body;

the second telescopic pedal assembly is positioned in the first pedal and comprises a third pedal and a tenth cylinder body, and the tenth cylinder body is connected with the third pedal so as to drive the third pedal to be telescopic relative to the first pedal.