CN112475885A

CN112475885A - Rock drilling trolley assembly line

Info

Publication number: CN112475885A
Application number: CN202011279563.0A
Authority: CN
Inventors: 徐山; 肖利; 张守信; 余自朝
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-12
Anticipated expiration: 2040-11-16
Also published as: CN112475885B

Abstract

The invention discloses a rock drilling jumbo assembly line which comprises a rack, a drag chain line unit and a plate chain line unit, wherein the drag chain line unit is arranged on the rack; be equipped with the changeover portion that overlaps between tow chain line unit and plate link chain line unit, still include: the supporting trolleys are fixedly connected with the towline units respectively and used for supporting the chassis of the rock drilling jumbo, and any one of the supporting trolleys can move towards the direction close to or far away from the towline units so as to adjust the height of the chassis of the rock drilling jumbo relative to the towline units; the transition section of the drag chain line unit is obliquely arranged downwards, and the supporting trolley can move towards the direction close to the drag chain line unit when being in the transition section of the drag chain line unit so as to reduce the included angle between the supporting surface of the supporting trolley for supporting the chassis of the rock drilling jumbo and the horizontal plane. When the transition section of support platform truck edge tow chain line unit descends, can remove to the direction that is close to the tow chain line unit, reduce the contained angle between rock drilling platform truck chassis and the horizontal plane, security when improving the transition.

Description

Rock drilling trolley assembly line

Technical Field

The invention relates to the technical field of rock drilling jumbo production, in particular to a rock drilling jumbo assembling line.

Background

The assembly line is divided into two sections, the front section is in a trolley drag chain assembly line form, the rear section is in a plate chain assembly line form, the part repeatedly crossed between the two sections is a transition section, the middle of the transition section is an area from a trolley to the lower part of the ground along an inclined ramp, and the two sides of the transition section are areas for connecting and supporting product wheel tires of the plate chain assembly line. The inclination angle of the trolley drag chain line transition section (relating to safety, the smaller the angle is better) is in conflict with the length of the plate chain assembly line (trolley drag chain line) transition section (relating to cost, the section cannot be used for an assembly station, and the shorter the section is, the better the section is).

If the assembly line mode is used for assembling the rock drilling jumbo, the support jumbo still needs enough flexibility to meet the requirements of supporting various types of chassis of the rock drilling jumbo, and the quick positioning of the support jumbo during switching of different products of the rock drilling jumbo also needs to be solved. How to limit the abnormal movement of each oil cylinder of the arm support after the arm support is assembled on the chassis still needs to be solved to ensure the movement of the drill jumbo product vehicle on a plate link chain line. Meanwhile, how to solve the contradiction between the inclination angle of the trolley drag chain line transition section and the length of the plate chain assembly line (trolley drag chain line) transition section needs to be considered as much as possible.

Disclosure of Invention

In view of the above, a first object of the present invention is to provide a rock drilling jumbo assembly line, which reduces an included angle between a supporting surface of a supporting jumbo for supporting a chassis of the rock drilling jumbo and a horizontal plane, improves safety when a trawling line is transited to a plate link line, and simultaneously shortens lengths of transition sections of the trawling line and the plate link line, thereby reducing assembly line cost.

In order to achieve the first object, the invention provides the following technical scheme:

a rock drilling jumbo assembly line comprises a rack arranged in a pit, a drag chain line unit and a plate chain line unit, wherein the drag chain line unit is arranged on the rack and used for dragging a chassis of the rock drilling jumbo to move, and the plate chain line unit is used for supporting the rock drilling jumbo and driving the rock drilling jumbo to move; the tow chain line unit with be equipped with the changeover portion that overlaps between the plate link chain line unit, still include:

the supporting trolleys are fixedly connected with the towline units respectively and used for supporting the chassis of the rock drilling jumbo, and any one of the supporting trolleys can move towards the direction close to or far away from the towline units so as to adjust the height of the chassis of the rock drilling jumbo relative to the towline units;

the changeover portion of drag chain line unit sets up in the slant, the support platform truck is in can be to being close to during the changeover portion of drag chain line unit the direction of drag chain line unit removes, in order to reduce the contained angle between the holding surface that the support platform truck is used for supporting rock drilling platform truck chassis and the horizontal plane.

Preferably, the method further comprises the following steps:

a first position detecting unit arranged opposite to the transition section and used for sending a position signal to the control device when the supporting trolley moves to the transition section of the drag chain line unit;

and the control device controls all the supporting platform trucks which support the chassis of the same rock drilling platform truck together to move towards the direction close to the towline unit according to the position signal of the first position detection unit.

Preferably, any of the support trolleys comprises:

the lower frame is provided with a limiting piece which is detachably and fixedly connected with the drag chain line unit and a travelling wheel which is matched with a supporting platform vehicle track arranged on the side wall of the pit to realize travelling;

the power lifting unit is arranged between the upper frame and the lower frame and drives the upper frame to move towards or away from the lower frame;

and the trolley control unit is connected with the power lifting unit.

Preferably, the drag chain line unit includes:

towing a drag chain;

the tow chain tensioning unit is used for tensioning the towing tow chain;

and the traction track is arranged along the moving path of the traction drag chain and supports the traction drag chain.

Preferably, a plurality of positioning insertion holes for being inserted into the supporting trolley and insertion hole plugs capable of being matched with the positioning insertion holes to plug the supporting trolley are uniformly formed in the traction drag chain.

Preferably, the method further comprises the following steps:

and the marking line is arranged at the head end of the towline unit and is used for positioning the support trolley and the positioning jack according to the chassis model of the drilling trolley.

Preferably, the method further comprises the following steps:

the second position detection unit is arranged at the head end of the drag chain line unit, corresponds to the marking line and is used for sending a position signal to the control device when the supporting trolley is detected;

and the control device controls the trolley control unit to start according to the position signal of the second position detection unit so as to control the upper frame to move a preset distance in the direction away from the lower frame.

Preferably, the first position detection unit and the second position detection unit are laser scanners respectively, and the support trolley is provided with the same one of an RFID electronic tag, a two-dimensional code or a bar code.

Preferably, the plate link line unit includes:

the two plate chain lines are arranged on the same ground surface plane in parallel and are provided with preset intervals, and any one plate chain line comprises a plate chain and a conveying plate fixedly connected with the plate chain;

the plate chain line power driving units are respectively arranged at two ends of all the plate chain lines in the length direction, and the plate chain tensioning units are used for tensioning all the plate chain lines;

and a plate chain supporting track for supporting the plate chain line is arranged along the moving path of any one plate chain line.

Preferably, the method further comprises the following steps:

the plurality of lifting platforms are respectively arranged between the two plate link chains and are connected with the control device;

the position switch is used for sending a position signal to the control device when the lifting platform rises to be level with the ground;

the control device allows the plate link line unit to be started according to the position signal of the position switch.

Preferably, the method further comprises the following steps:

and the arm support supporting unit is connected with the plate chain line unit and can move synchronously with the plate chain line unit, and comprises a fixed supporting frame which is arranged on the plate chain line unit and below the rock drilling trolley arm support and used for supporting the arm support.

Preferably, the boom support unit further includes:

the two ends of the connecting rod are respectively hinged with the fixed support frame and the movable support frame;

the pulley of bottom locates subaerial removal support frame, the fixed bolster warp the connecting rod drives removal support frame removes, just removal support frame can for fixed bolster slides.

Preferably, the mobile support frame comprises:

two remove the balladeur train and locate the dead lever between the two, the cover is equipped with on the dead lever can follow the endwise slip's of dead lever slider, the connecting rod with the slider articulates the setting.

The invention provides a rock drilling jumbo assembly line which comprises a rack arranged in a pit, a drag chain line unit and a plate chain line unit, wherein the drag chain line unit is arranged on the rack and used for dragging a chassis of the rock drilling jumbo to move, and the plate chain line unit is used for supporting the rock drilling jumbo and driving the rock drilling jumbo to move; be equipped with the changeover portion that overlaps between tow chain line unit and plate link chain line unit, still include: the supporting trolleys are fixedly connected with the towline units respectively and used for supporting the chassis of the rock drilling jumbo, and any one of the supporting trolleys can move towards the direction close to or far away from the towline units so as to adjust the height of the chassis of the rock drilling jumbo relative to the towline units; the transition section of the drag chain line unit is obliquely arranged downwards, and the supporting trolley can move towards the direction close to the drag chain line unit when being in the transition section of the drag chain line unit so as to reduce the included angle between the supporting surface of the supporting trolley for supporting the chassis of the rock drilling jumbo and the horizontal plane.

Compared with the prior art, the rock drilling jumbo assembly line provided by the invention has the following technical effects:

firstly, the supporting trolley can move towards the direction close to or far away from the towline unit so as to adjust the distance between the bottom plate of the rock drilling platform vehicle and the towline unit and adjust the height according to the chassis of the rock drilling platform vehicles of different models, thereby meeting the supporting requirements of the rock drilling platform vehicles of different models and improving the adaptability of the assembly line of the rock drilling platform vehicle;

and secondly, when the supporting trolley descends along the transition section of the drag chain line unit, the upper supporting frame of the rock drilling trolley supported by the supporting trolley can move towards the direction close to the drag chain line unit, so that the included angle between the supporting surface of the supporting trolley for supporting the chassis of the rock drilling trolley and the horizontal plane is reduced, and the safety when the drag chain line is transited to the plate chain line is improved. On the basis, on the premise of ensuring the safety, the inclination angle of the transition section of the drag chain line unit can be increased, so that the lengths of the transition sections of the drag chain line unit and the plate chain line unit are shortened, and the manufacturing cost of the assembly line is reduced.

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 of 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 rock drilling jumbo assembly line according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a towline unit according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a support trolley according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a plate link unit according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a boom support unit according to an embodiment of the present invention;

fig. 6 is a schematic view of an installation position of the control device according to the embodiment of the present invention.

The drawings are numbered as follows:

the device comprises a drag chain line unit 100, a support trolley 200, a plate chain line unit 300, an arm support unit 400 and a control device 500;

a drag chain line power driving unit 101, a traction track 102, a drag chain tensioning unit 103, a frame 104, a support trolley track 105, a traction drag chain 106, a marking line 107 and a jack plug 108;

a lower frame 201, an upper frame 202, a lifting mechanism 203, a traveling wheel 204, a limiting member 205, a driving member 206, a storage battery 207, and a trolley control unit 208;

a plate chain line power driving unit 301, a frame 302, a plate chain support track 303, a plate chain line 304, a lifting platform 305, a plate chain tensioning unit 306 and a conveying plate 307;

a fixed support frame 401, a movable support frame 402 and a connecting rod 403;

a control cabinet 501, a wireless signal transmitter (receiver) 502, a support trolley identification code 503, a first position detection unit 504, a position switch 505, and a second position detection unit 506.

Detailed Description

The embodiment of the invention discloses a rock drilling trolley assembly line, which aims to reduce the included angle between a rock drilling trolley and the horizontal plane, improve the transition safety, shorten the length of a transition section of a drag chain line and a plate chain line and reduce the assembly line cost.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a rock drilling jumbo assembly line according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a towline unit according to an embodiment of the present invention; FIG. 3 is a schematic structural diagram of a support trolley according to an embodiment of the present invention; FIG. 4 is a schematic structural diagram of a plate link unit according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a boom support unit according to an embodiment of the present invention.

As shown in fig. 1, wherein, (a) is a front view structure schematic diagram of a rock drilling jumbo assembly line; (b) is a schematic top view structure of (a). In a specific embodiment, the assembly line of the rock drilling jumbo provided by the invention comprises a frame arranged in a pit, a drag chain line unit 100 and a plate chain line unit 300, wherein the drag chain line unit 100 is respectively arranged on the frame and used for dragging a chassis of the rock drilling jumbo to move; preferably, the upper surfaces of the drag chain line unit 100 and the plate chain line unit 300 are flush with the ground, respectively, and the whole assembly line is buried in a pit and is fixedly installed through a frame, thereby providing a supporting force through the pit and making the assembly space simple and beautiful. The racks include a rack 104 disposed in a drag chain line unit and a rack 302 disposed in a plate chain line unit.

The plate link line unit 300 supports wheels of the drill jumbo by a conveying member such as a conveyor chain, a conveyor belt, or the like to support the entire drill jumbo. The plate link line unit 300 includes two sets of plate link lines 304 disposed in parallel, and the specific structure and connection relationship thereof can refer to the prior art.

The towline unit 100 is fixed with the chassis of the rock drilling rig chassis to drag it. Preferably, the drag chain line unit 100 includes a plurality of supporting trolleys 200 fixedly connected to the drag chain line unit 100 respectively for supporting the chassis of the rock drilling jumbo, wherein the supporting trolleys 200 are detachably and fixedly connected to the drag chain line unit 100, for example, a pin is provided at the bottom of the supporting trolleys 200 to be fixed to the drag chain 106 of the drag chain line unit 100, and the supporting trolleys 200 perform a rotation motion on the drag chain line unit 100 along the traveling direction. The number of support trolleys 200 to support them is set according to the type of drilling jumbo, typically 2 support trolleys 200 together supporting one drilling jumbo.

Further, either of the support trolleys 200 can be moved in a direction to approach or move away from the towline unit 100 to adjust the height of the rock drilling rig chassis relative to the towline unit 100; if power members such as oil cylinders, air cylinders or hydraulic cylinders are arranged between the towline unit 100 and the support trolley 200, the extending ends of the power members are connected with the support trolley 200 to drive the chassis of the rock drilling jumbo to move relative to the towline unit 100. From this setting to support according to the rock drilling jumbo chassis of different models through the height of adjusting support platform truck 200, improve the support demand that the adaptation of tow chain line unit 100 satisfied different model products, based on this, tow chain line unit 100 carries out station and tow chain line unit 100's power device's setting according to product chassis maximum dimension in the rock drilling jumbo series, in order to satisfy installation and power needs.

For a better assembly line transition, overlapping transitions are provided between the drag chain line unit 100 and the plate link line unit 300 to allow for a change over of the drill jumbo between different production lines. In one embodiment, the tow chain line unit 100 includes two parallel tow chain lines, the transition section of the plate link chain line unit 300 is disposed between the two tow chain lines, the transition section of the tow chain line unit 100 is disposed obliquely downward, and the support trolley 200 can move toward a direction close to the tow chain line unit 100 when being in the transition section of the tow chain line unit 100, so as to reduce an included angle between a support surface of the support trolley for supporting the chassis of the rock drilling rig and a horizontal plane.

Preferably, taking the two supporting trolleys 200 to support the same rock drilling trolley as an example for description, at the transition section of the towline unit 100 and the plate link line unit 300, taking the traveling direction of the towline unit 100 as the front, the front supporting trolley 200 descends slowly along the transition section of the towline unit 100 while the supporting trolley 200 descends slowly, the rear supporting trolley descends slowly, the included angle between the rock drilling trolley chassis and the horizontal plane is reduced, and the transition safety is improved; while shortening the lengths of the transition sections of the drag chain line unit 100 and the plate link chain unit 300 to reduce assembly line costs.

firstly, the supporting trolley 200 can move towards a direction close to or far away from the towline unit 100 so as to adjust the distance between the bottom plate of the rock drilling platform vehicle and the towline unit 100 and adjust the height according to the chassis of the rock drilling platform vehicles of different models, thereby meeting the supporting requirements of the rock drilling platform vehicles of different models and improving the adaptability of the assembly line of the rock drilling platform vehicle;

secondly, when supporting the carriage 200 and descending along the changeover portion of towline unit 100, can remove to the direction that is close to towline unit 100, reduce the contained angle between rock drilling platform chassis and the horizontal plane, the security when improving from the towline transition to the plate link chain line. On the basis, on the premise of ensuring the safety, the inclination angle of the transition section of the drag chain line unit 100 can be increased, so that the lengths of the transition sections of the drag chain line unit 100 and the plate link line unit 300 can be shortened, and the manufacturing cost of the assembly line can be reduced.

In order to realize the automatic control of the supporting trolley 200, the automatic control system further comprises:

a first position detecting unit 504 disposed opposite to the transition section to transmit a position signal to the control device 500 when the support trolley 200 moves to the transition section of the tow line unit 100;

the control device 500 controls all the supporting carriages 200 that support the same drilling jumbo chassis together to move in the direction approaching the towline unit 100 based on the position signal of the first position detection unit 504.

The first position detecting unit 504 may be configured as an operation switch, a distance sensor, an infrared sensor, or the like, and the control device 500 determines that the current supporting trolley 200 has entered the transition section according to a signal of the first position detecting unit 504, and controls each supporting trolley 200 of the same drilling trolley to descend according to a preset program, preferably, the front supporting trolley 200 and the rear supporting trolley 200 descend simultaneously, or the front supporting trolley 200 descends first, the rear supporting trolley 200 descends again, and the descending speed is set as required. Thus, the first position detection means 504 detects the movement position of the support carriage 200, and the intelligent control of the elevation height of the support carriage 200 is realized.

As shown in fig. 3, (e) is a front view of the supporting trolley 200; (f) the schematic side view structure as (e). In this particular embodiment, any of the support trolleys 200 comprises:

the device comprises an upper frame 202 and a lower frame 201, wherein the lower frame 201 is provided with a limiting piece 205 which is detachably and fixedly connected with a drag chain line unit 100, and a travelling wheel 204 which is matched with a supporting platform vehicle track 105 arranged on the side wall of a pit to realize travelling;

the power lifting unit is arranged between the upper frame 202 and the lower frame 201 and drives the upper frame 202 to move towards or away from the lower frame 201;

the trolley control unit 208 connected with the power lifting unit, the control device 500 and the trolley control unit 208 are in wireless communication connection, so that the trolley control unit 208 controls the power lifting unit to move along a preset program in the transition section of the towline unit 100 according to a starting signal of the control device 500. The wireless communication mode can adopt WiFi, ZigBee, Bluetooth protocol and other modes for connection, and can be set according to the prior art.

The support trolley 200 further comprises a battery 207 connected to the powered lifting unit and trolley control unit 208 to provide electrical power. The lower end face of the upper frame 202 is connected above the power lifting unit, the upper end face of the upper frame 202 supports a chassis of the rock drilling jumbo, and the height of the upper frame 202 changes along with the power lifting unit so as to change the height of the supported rock drilling jumbo. It is within the scope of the present invention for the powered lift unit to include a drive member 206 and a lift mechanism 203, such as a combination of a motor and an output shaft.

The traveling wheels 204 are preferably provided in two or four, respectively, along both sides of the center line of the lower frame 201. The pit side wall is provided with a supporting trolley rail 105 to enable movement of the supporting trolley 200 relative to the towline unit 100, and the specific structure of the supporting trolley rail 105 can be set with reference to the prior art.

As shown in fig. 2, (c) is a schematic front view of the towline unit 100; (d) is a schematic top view structure of (c). In one embodiment, the tow line unit 100 includes a tow chain 106, tow line power driving units 101 respectively provided at both ends of the tow chain 106, a tow chain tensioning unit 103 tensioning the tow chain 106, and a tow rail 102 provided along a moving path of the tow chain 106 and supporting the tow chain 106.

The towline power drive unit 101 includes a power driving member 206 and a transmission member, the power driving member 206 is a motor, and the transmission member is a gear transmission mechanism. The tow chain tensioning unit 103 may be provided as a tensioning wheel, the position and connection of the tensioning wheel and the tow chain 106 being arranged in accordance with the prior art. In order to ensure the normal operation of the towing drag chain 106, the towing track 102 is arranged to provide a supporting force for supporting the towing drag chain 106. The traction track 102 comprises two layers, the first layer of traction track 102 is arranged below the upper layer of the traction drag chain 106 to prevent the traction drag chain 106 on the upper layer from falling; the second tier of towing rails 102 is positioned below the lower tier of towing joists to support the towing drag chains 106 in the lower tier.

Further, the limiting member 205 is a bolt, one end of which is fixed on the lower frame 201 and is matched with a positioning insertion hole arranged on the towing drag chain 106 of the drag chain line unit 100, so as to fix the supporting trolley 200 and the drag chain line unit 100, and enable the supporting trolley 200 to move along with the drag chain line unit 100. Furthermore, a plurality of positioning insertion holes for inserting with the supporting trolley 200 and insertion hole plugs 108 capable of being matched with the positioning insertion holes to plug the positioning insertion holes are uniformly arranged on the traction drag chain 106. Jack plugs 108 are respectively arranged in the positioning jacks which are not spliced with the supporting trolley 200, so that safety accidents caused by the fact that small parts such as bolts fall into the traction drag chain 106 are avoided.

Meanwhile, a marking line 107 for positioning the support trolley 200 and the positioning insertion hole according to the chassis model of the drill jumbo is provided at the head end of the towline unit 100. This marking line 107 is according to the setting of the drill jumbo chassis of different models, makes things convenient for the quick location of support platform truck 200, and marking line 107 is preferred to be set up on the ground that the tow chain line unit 100 head end corresponds.

In order to realize the automatic operation of whole rock drilling platform truck assembly line, still include:

a second position detecting unit 506 disposed at a head end of the tow line unit 100, corresponding to the marking line 107, for transmitting a position signal to the control device 500 when the supporting trolley 200 is detected;

the control device 500 controls the trolley control unit 208 to be activated according to the position signal of the second position detection unit 506 to control the upper frame 202 to move a preset distance in a direction away from the lower frame 201.

The structure of the second position detection unit 506 may be set with reference to the first position detection unit 504, and both are preferably the same. When the second position detection unit 506 detects that the support carriage 200 is mounted in place, the control device 500 controls the carriage control unit 208 to start up by wireless communication, assuming that the support carriage 200 is mounted in place. The type of the drill jumbo is input into an input device connected with the control device 500, so that the control device 500 controls the lifting height of the upper frame 202 according to preset parameters and programs, and the chassis height requirement of the current drill jumbo type is met.

Preferably, the first position detection unit 504 and the second position detection unit 506 are both laser scanners, and the same one of the RFID tag, the two-dimensional code, or the barcode is disposed on all the supporting carriages 200. The support carriage 200 is electronically encoded for identification by the support carriage identification code 503. The specific control process is as follows: inputting the model of the drill jumbo through an input device, and arranging the support jumbo 200 in the positioning jack corresponding to the corresponding marking line 107 according to the model; the second position detecting unit 506 scans the support trolley identification code 503 of the support trolley 200 to identify the support trolley 200 which needs to be lifted, and the trolley control unit 208 receives the wireless control signal of the control device 500 to control the lifting time and lifting height of the power lifting unit; the control device 500 controls the corresponding supporting trolley 200 to ascend to a preset height in an idle load mode according to the signal of the second position detection unit 506 and the model of the rock drilling trolley input in advance, and supports the chassis of the rock drilling trolley; when the supporting trolley 200 is running to the transition section, the first position detecting unit 504 scans the supporting trolley identification code 503 of the supporting trolley 200 and sends the same to the control device 500, and the control device 500 controls all the supporting trolleys 200 supporting the same drilling trolley to descend according to a preset program according to the types of the drilling trolleys corresponding to the supporting trolley 200, so that the safety of the transition is improved.

As shown in fig. 4, (g) is a schematic front view of the plate link unit 300; (h) a schematic top view of the plate link chain unit 300 is shown. In this particular embodiment, the plate link unit 300 includes:

two plate chain lines 304 which are positioned on the same ground surface plane in parallel and are provided with preset intervals, wherein any plate chain line 304 comprises a plate chain and a conveying plate 307 fixedly connected with the plate chain;

a plate link power drive unit 301 provided at each of both ends of all the plate link lines 304 in the longitudinal direction and a plate link tension unit 306 for tensioning all the plate link lines 304;

a plate link support rail 303 that supports the plate link line 304 is provided along the moving path of any one plate link line 304.

The preset spacing of the two slat chain lines 304 may be set at the lateral distance between the wheels of the smallest model drill jumbo. The plate link power driving unit 301 includes a plate link power element and a transmission element, the transmission element includes a driving gear connected to the plate link power element and a driven gear engaged with the driving gear, the number of the driven gears is two, and a roller is disposed between the two driven gears to realize the linkage of the two plate links 304. The specific structure of the plate chain tensioning unit 306 and the plate chain support track 303 may be arranged with reference to the drag chain tensioning unit 103 and the drag chain support track.

When in use, at the transition section of the drag chain line unit 100 and the plate link chain unit 300, the wheels at the two sides of the front axle and the rear axle of the rock drilling jumbo sequentially fall on the two plate links, and the rock drilling jumbo moves forward along with the conveying plate 307 until the rock drilling jumbo comes off the line.

In order to facilitate the assembling operation of the rock drilling jumbo by the worker in the pit, the method further comprises the following steps:

a plurality of lifting platforms 305 respectively arranged between the two lath chain lines 304 and connected with the control device 500;

a position switch 505 for sending a position signal to the control device 500 when the lifting platform 305 is lifted to be level with the ground;

the control device 500 allows the plate link line unit 300 to be activated according to the position signal of the position switch 505.

The lifting platforms 305 are disposed at a predetermined interval of the two lath chain lines 304, and a plurality of lifting platforms 305 are disposed along the length direction of the lath chain lines 304 according to different working position requirements. The lifting platform 305 is lifted to be flush with the ground when the plate link chain unit 300 runs, when the lifting platform touches the position switch 505, a signal is fed back to the control device 500, and at the moment, the control device 500 allows the power driving unit 301 of the plate link chain 304 to be started so as to ensure the safety of the assembly line in running. Meanwhile, the length of the lifting platform 305 is larger than that of the chassis of the rock drilling jumbo, so that an operator can conveniently stand on the lifting platform 305 exposed at the rear side of the rock drilling jumbo to descend and enter the lower part of the chassis for operation, the operation space below the chassis is enlarged, and the labor intensity is reduced. Preferably, the lift platform 305 is a shear lift platform 305.

In another embodiment, it is also possible to implement the operation by providing an aisle and stairs to allow the operator to enter the lower part of the chassis for operation, and all that is within the scope of the present invention is that.

On the basis of the above embodiments, the method further includes:

the boom support unit 400 is connected with the plate link chain line unit 300 and can move synchronously with the plate link chain line unit, and the boom support unit 400 comprises a fixed support frame 401 which is arranged on the plate link chain line unit 300 and below the boom of the drilling trolley and used for supporting the boom.

The fixed support frame 401 is overlapped on the plate chain line unit 300 through the action of self gravity and moves along with the plate chain line unit 300, and the fixed support frame 401 is supported below the arm support of the rock drilling trolley and used for supporting the arm support of the rock drilling trolley within 3 arms. Preferably, the fixed supporting frames 401 are respectively overlapped on the conveying plates 307 of the plate chains on the two sides for use in a group.

As shown in fig. 5, (i) is a schematic front view of the boom support unit 400; (j) a schematic top view of the boom support unit 400. Further, in order to meet the boom support requirements of the drill jumpers of different models, the boom support unit 400 further includes:

a connecting rod 403 with two ends hinged with the fixed support frame 401 and the movable support frame 402 respectively;

the bottom pulley is arranged on a movable support frame 402 on the ground, the fixed support frame 401 drives the movable support frame 402 to move through a connecting rod 403, and the movable support frame 402 can slide relative to the fixed support frame 401.

The movable support frame 402 is hinged to the fixed support frame 401 through the connecting rod 403, a bottom pulley which slides on the ground is arranged at the bottom of the movable support frame 402, so that when the arm support above 3 arms is supported, the fixed support frame 401 and the movable support frame 402 can be quickly connected through the connecting rod 403, the support requirements of different arm supports are met, the application occasions of the arm support unit 400 are increased, and meanwhile, the movable support frame is convenient to assemble and can be disassembled after operation, and the arm support unit is convenient to store.

Wherein, the mobile support frame 402 comprises:

two remove the balladeur train and locate the dead lever between the two, the cover is equipped with the slider that can follow the axial slip of dead lever on the dead lever, and connecting rod 403 sets up with the slider is articulated. The bottom of the movable sliding frame is provided with a bottom pulley, and two ends of the fixed rod are respectively fixed with the two movable sliding frames, such as welded fixation. The slide block is sleeved on the fixed rod, one end of the connecting rod 403 is hinged with the slide block, and the other end of the connecting rod is hinged with the fixed support frame 401. Therefore, the sliding range of the movable support frame 402 relative to the fixed support frame 401 is further enlarged, the support forms of different arm frames are met, and the arm frame support effect is optimized.

The device supports the arm support of the drill jumbo within 3 arms through the fixed support frame 401, supports the arm support of the drill jumbo with more than 4 arms through the combination of the fixed support frame 401 and the movable support frame 402, and limits abnormal movement of the arm support of the drill jumbo; the plurality of fixed support frames 401, the movable support frames 402 and the connecting rods 403 are combined to limit the movement of the drill jumbo on different types of arm frames without filling oil, so that the operation content of hydraulic oil filled outside an arm frame oil cylinder assembly line is reduced, and the condition that the arm frame and the drill jumbo can integrally move along with the conveying plate 307 of the plate link line unit 300 after being assembled on a ground is met.

As shown in fig. 6, fig. 6 is a schematic view of an installation position of the control device 500 according to the embodiment of the present invention. Wherein, (m) is a schematic view of the installation structure of the support trolley 200; (n) is a schematic view of the installation structure of the control cabinet 501, the wireless signal transmitter (receiver) 502, the first position detection unit 504, the second position detection unit 506 and the position switch 505.

Specifically, the control device 500 includes a control cabinet 501, a wireless signal transmitter (receiver) 502, a support trolley identification code 503, a first position detection unit 504, a second position detection unit 506, and a position switch 505.

The control cabinet 501 controls the operation speed of the drag chain line unit 100 and the plate link line unit 300, so that the drag chain line unit 100 and the plate link line unit 300 operate synchronously. The model of the on-line drilling trolley is input into the control cabinet 501, product information is identified, after the two supporting trolleys 200 at the front part and the rear part of the on-line position move in place according to the marking line 107, the second position detection unit 506 scans the supporting trolley identification code 503, the control cabinet 501 sends a wireless signal through the wireless signal transmitter (receiver) 502, and the trolley control unit 208 controls the power lifting unit to lift according to the supporting height required by the model of the on-line drilling trolley, so that the chassis of the drilling trolley product can be quickly on-line. When the front supporting trolley 200 reaches the transition section between the drag chain line unit 100 and the plate chain line unit 300, the first position detection unit 504 scans the supporting trolley identification code 503, the control cabinet 501 sends a wireless signal through the wireless signal transmitter (receiver) 502, and the trolley control unit 208 controls the power lifting unit to match the descending speed according to the model information of the drilling trolley, so that the chassis of the drilling trolley gradually breaks away from the supporting trolley 200 and safely transitions to the plate chain line unit 300 until all vehicles fall on the conveying plate 307. Whether the upper plane of the scissor-type lifting platform 305 is level with the ground or not is detected through the position switch 505, and the plate link unit 300 cannot be started when the position switch 505 does not feed back a signal, so that the safety problem of operators below the chassis during operation of the assembly line is solved.

The specific assembly line operation process is as follows:

a: starting a drilling jumbo assembly line, and preparing a drill jumbo chassis to be on line;

b: the product model to be brought on line is input through an input device connected with the control device 500, an operator lifts a bolt of the support trolley 200, an upper jack plug 108 of the traction drag chain 106 which is parallel to the marking line 107 is opened and plugged onto the traction drag chain 106 which is left out after the support trolley 200 moves in the front and at the back, and the bolt is inserted into the traction drag chain 106 of the drag chain line unit 100 after the support trolley 200 is pushed to a specified position according to the marking line 107 of the support trolley 200 in the drag chain line unit 100, so that the requirement on the distance between the front support point and the rear support point of the chassis of the rock drilling trolley to be brought on line is met;

c: the control device 500 detects the support trolley identification code 503 of the support trolley 200 through the laser transmitter (receiver) 502 according to the originally recorded data, checks whether the support trolley is at the specified position, and prompts an operator to adjust through the display screen if the support trolley is not at the specified position; if so, controlling the supporting trolley 200 to ascend or descend to a specified height in an idle load manner, and meeting the height requirements of the front and rear supporting points of the chassis of the rock drilling trolley to be threaded;

d: the chassis of the rock drilling rig floor is hoisted to the supporting trolley 200, and after one station assembly operation is completed, one station is moved forward.

e: and repeating the steps b-d until the first rock drilling jumbo chassis on the line advances to the transition area of the drag chain line unit 100 and the plate link line unit 300.

f: the front supporting carriage 200 is recognized by the laser transmitter (receiver) 502 and the supporting carriage recognition code 503, the front supporting carriage 200 descends along the inclined portion of the carriage rail of the towline unit 100 while being controlled to descend slowly by the control device 500 and the carriage control unit 208 of the front supporting carriage, and the rear supporting carriage 200 is controlled to descend slowly by the control device 500 and the carriage control unit 208 of the rear supporting carriage. The left and right side wheels of the front end of the rock drilling jumbo slowly fall onto the two conveying plates 307 of the plate link line unit 300, the rear rock drilling jumbo is separated from the front support jumbo 200, and the front support jumbo 200 continues to travel below the ground along the drag link line unit 100 to circulate. The front wheels of the drill jumbo are supported on the plate link line unit 300, the rear of the drill jumbo is still supported on the rear support jumbo 200, and the drill jumbo continues to travel until the rear wheels of the drill jumbo fall on the two transport plates 307 of the plate link line unit 300 to complete the transition.

g: the wheels of the drill jumbo are supported on two conveying plates 307 of the plate link chain unit 300 and move forward by one station after completing the assembly operation of one station.

h: according to the product model, the arm support of the drill jumbo is assembled on the chassis, a proper arm support supporting unit 400 is selected to support the arm support, and the drill jumbo is moved forward by one station after station assembly operation is completed.

i: an operator stands on the scissor lift platform 305 exposed at the rear side of the drill jumbo, operates the scissor lift platform 305 to descend to enter the lower part of the chassis, performs operations such as pipeline connection, and after the operations are completed, operates the scissor lift platform 305 to ascend to the ground and leave, and the drill jumbo moves forward by one station.

j: the entire assembly is completed, the drill jumbo is put into a complete vehicle state, the engine is started to drive the drill jumbo out of the assembly line, and the two conveying plates 307 run below the ground to circulate.

The assembly line for the drill jumbo solves the problem of streamlined mixed production of series products of the drill jumbo, is particularly suitable for producing the series products of the drill jumbo in small batch and in various models, and improves the overall operation efficiency; meanwhile, the operation space below the chassis in the final assembly process is enlarged, the labor intensity of operators is reduced, the assembly quality consistency is improved, and the construction cost of the assembly line is reduced on the premise of improving the operation safety and the adaptability of the assembly line.

The combination of the drag chain assembly line and the plate chain assembly line enables the assembly line to be divided into two sections, the assembly of chassis transmission systems such as chassis axles and wheels and the assembly of the whole drill jumbo can be completed on the drill jumbo assembly line, the assembly streamlined production of the drill jumbo is realized, and the assembly efficiency is improved.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rock drilling jumbo assembly line comprises a rack arranged in a pit, a drag chain line unit (100) and a plate chain line unit (300), wherein the drag chain line unit (100) is arranged on the rack respectively and used for dragging a chassis of the rock drilling jumbo to move, and the plate chain line unit (300) is used for supporting the rock drilling jumbo and is provided with the rock drilling jumbo to move; be equipped with the changeover portion that overlaps between drag chain line unit (100) and plate link chain line unit (300), its characterized in that still includes:

the supporting trolleys (200) are fixedly connected with the towline unit (100) respectively and used for supporting the chassis of the rock drilling jumbo, and any one of the supporting trolleys (200) can move towards the direction close to or away from the towline unit (100) so as to adjust the height of the chassis of the rock drilling jumbo relative to the towline unit (100);

the changeover portion of towline unit (100) sets up in the slant, support platform truck (200) when being in can be to being close to during the changeover portion of towline unit (100) the direction of towline unit (100) removes, in order to reduce the contained angle between the holding surface that the support platform truck is used for supporting rock drilling platform truck chassis and the horizontal plane.

2. A rock drilling jumbo assembly line as recited in claim 1, further comprising:

a first position detecting unit (504) disposed opposite to the transition section to transmit a position signal to a control device (500) when the support trolley (200) moves to the transition section of the towline unit (100);

the control device (500) controls all the supporting trolleys (200) which support the same drilling jumbo chassis together to move towards the towline unit (100) according to the position signal of the first position detection unit (504).

3. The rock drilling jumbo assembly line as claimed in claim 2, characterized in that any one of the support trolleys (200) comprises:

the device comprises an upper frame (202) and a lower frame (201), wherein the lower frame (201) is provided with a limiting piece (205) detachably and fixedly connected with the drag chain line unit (100) and a travelling wheel (204) which is matched with a support trolley track (105) arranged on the side wall of the pit to realize travelling;

the power lifting unit is arranged between the upper frame (202) and the lower frame (201), and drives the upper frame (202) to move towards or away from the lower frame (201);

and a trolley control unit (208) connected with the power lifting unit.

4. A drill jumbo assembly line as in claim 3, wherein the drag chain line unit (100) comprises:

a drag chain (106);

a drag chain line power driving unit (101) and a drag chain tensioning unit (103) which are respectively arranged at two ends of the drag chain (106) and used for tensioning the drag chain (106);

a traction track (102) arranged along the moving path of the traction drag chain (106) and supporting the traction drag chain (106).

5. A rock drilling jumbo assembly line as claimed in claim 4, characterized in that a plurality of positioning jacks for plugging with the support jumbo (200) and jack plugs (108) capable of being matched with the positioning jacks to plug the positioning jacks are uniformly arranged on the traction drag chain (106).

6. A drill jumbo assembly line as recited in claim 5, further comprising:

and the marking line (107) is arranged at the head end of the towline unit (100) and is used for positioning the supporting trolley (200) and the positioning jack according to the chassis model of the drilling trolley.

7. A rock drilling jumbo assembly line as claimed in claim 6, further comprising:

a second position detecting unit (506) which is arranged at the head end of the drag chain line unit (100), corresponds to the marking line (107) and is used for sending a position signal to the control device (500) when the supporting trolley (200) is detected;

the control device (500) controls the trolley control unit (208) to start according to the position signal of the second position detection unit (506) so as to control the upper frame (202) to move a preset distance in the direction away from the lower frame (201).

8. A rock drilling jumbo assembly line as claimed in claim 7, characterized in that the first position detection unit (504) and the second position detection unit (506) are each a laser scanner, and the same one of an RFID electronic tag, a two-dimensional code or a bar code is provided on all the support jumpers (200).

9. The rock drilling jumbo assembly line according to claim 1, characterized in that the plate link line unit (300) comprises:

the two plate chain lines (304) are arranged on the same ground surface plane in parallel and are provided with preset intervals, and any one plate chain line (304) comprises a plate chain and a conveying plate (307) fixedly connected with the plate chain;

a plate chain line (304) power driving unit (301) and a plate chain tensioning unit (306) which are respectively arranged at the two ends of all the plate chain lines (304) in the length direction and are used for tensioning all the plate chain lines (304);

a plate link support rail (303) that supports any one of the plate link lines (304) is provided along a moving path of the plate link line (304).

10. A rock drilling jumbo assembly line as recited in claim 9, further comprising:

a plurality of lifting platforms (305) which are respectively arranged between the two plate chain lines (304) and are connected with the control device (500);

a position switch (505) for sending a position signal to the control device (500) when the lifting platform (305) is raised to be level with the ground;

the control device (500) allows the plate link line unit (300) to be activated according to a position signal of the position switch (505).

11. A rock drilling jumbo assembly line as claimed in any one of claims 1 to 10, further comprising:

and the arm support supporting unit (400) is connected with the plate link chain unit (300) and can move synchronously with the plate link chain unit, and the arm support supporting unit (400) comprises a fixed supporting frame (401) which is arranged on the plate link chain unit (300) and below the arm support of the rock drilling jumbo and supports the arm support.

12. The rock drilling jumbo assembly line as recited in claim 11, wherein the boom support unit (400) further comprises:

the two ends of the connecting rod (403) are respectively hinged with the fixed support frame (401) and the movable support frame (402);

the bottom pulley is arranged on the movable support frame (402) on the ground, the fixed support frame (401) drives the movable support frame (402) to move through the connecting rod (403), and the movable support frame (402) can slide relative to the fixed support frame (401).

13. The rock drilling jumbo assembly line of claim 12, wherein the mobile support frame (402) comprises:

the sliding device comprises two movable sliding carriages and a fixed rod arranged between the two movable sliding carriages, wherein a sliding block capable of sliding along the axial direction of the fixed rod is sleeved on the fixed rod, and a connecting rod (403) is hinged to the sliding block.