Heavy-duty shuttle

Abstract

A heavy-duty shuttle, which comprises cross beams (1), traveling beams (2) and longitudinal beams (3), a plurality of roller support assemblies (4), a driving device (5), a cable carrier bracket (11), mold bed anti-collision devices (6), a mold bed guide assembly (7), a hydraulic positioning and locking device (8), a mold bed driving assembly (9), and a positioning and parking assembly (10) mounted on the outer side of the cross beams (1), wherein the cross beams (1), the traveling beams (2) and the longitudinal beams (3) form a heavy-duty shuttle body. The heavy-duty shuttle with an integrated design enables the transverse movement of a bridge deck mold bed, having a length of 18 meters and a weight of 80 tons, between production lines. The hydraulic positioning and locking device (8) and a U-shaped engagement groove (811) on a positioning seat (812) corresponding to a conveying line enable safe interlocking, which is more stable and reliable, and improves the positioning accuracy of movement between the production lines. The roller support assemblies (4) and the mold bed driving assembly (9) enable the movement of an unpowered mold bed member between the production lines. The heavy-duty shuttle body is composed of four traveling beams (2) and two cross beams (1), and the integrated layout thereof enables the conveyance of a long bridge deck line mold bed member, simplifies the structure of the shuttle, and facilitates disassembly and assembly, as well as transportation and installation.

Description

Heavy-duty transfer trolley TECHNICAL FIELD

[0001] The present application relates to a heavy-duty transfer trolley, belonging to the technical field of prefabricated concrete components. BACKGROUND

[0002] The transfer trolley is a horizontal transfer device based on the narrow length and large tonnage of the bridge deck panel line mold table. First, the transfer trolley needs to be accurately aligned with the mold table on the loading heavy bridge deck component line. When the mold table (hereinafter referred to as the mold table component) moves to the transfer trolley under the drive of the supporting roller, the mold table component is in place, and the transfer trolley is started to transport the mold component to different stations to complete the delivery. Therefore, the transfer trolley has the following characteristics: 1) it can carry the narrow length and large tonnage of the mold table component; 2) it needs to be smoothly transferred from the delivery line to the transfer trolley; 3) it requires high synchronization accuracy during delivery, etc.

[0003] At present, the lifting and horizontal transfer vehicle on the mold table component production line in China is a straight line horizontal transfer vehicle that lifts a heavy mold table component with two vehicle bodies. After driving the vehicle, it is straightly delivered. Not only is the control complicated, but also the running is out of synchronization, which may cause the mold table to overturn. At the same time, the manufacturing process is also complex. The maximum delivery tonnage of the above-mentioned vehicle type is less than 50 tons, which cannot meet the delivery of 80-ton bridge deck panel line molds. TECHNICAL PROBLEM

[0004] The technical problem to be solved by the present application is to provide a heavy-duty transfer trolley that can accurately and accurately move large mold table components to the heavy-duty transfer trolley, and the mold table component is smoothly moved to the delivery line on the heavy-duty transfer trolley to complete the interline movement of the mold table component. TECHNICAL SOLUTION

[0005] The present application comprises a parallelly arranged cross beam, a walking beam and a longitudinal beam fixedly installed between the two cross beams, a plurality of roller support assemblies installed at intervals on the top surface of the cross beam, a driving device installed at the end of the walking beam, a mold table anti-collision device fixedly installed at one end of the cross beam, a mold table guide assembly fixedly installed at both ends of the cross beam, a hydraulic positioning locking device fixedly installed on the longitudinal beam at both ends of the cross beam, a mold table driving assembly installed at intervals on the two cross beams, and a positioning parking assembly installed on the outer side of the cross beam. The cross beam, the walking beam and the longitudinal beam constitute a heavy-duty transfer trolley body. A drag chain rack parallel to the longitudinal beam is installed on the driving device side. The mold table loaded with components is moved along the length direction of the cross beam to the top surface of the heavy-duty transfer trolley body through the mold table driving assembly and the roller support assembly. The heavy-duty transfer trolley body drives the walking beam to run on the guide rail in the length direction of the longitudinal beam through the driving device.

[0006] The anti-collision guide assembly is symmetrically installed at the end of the two cross beams; the anti-collision guide assembly comprises a roller support seat A fixedly installed at the end of a cross beam, a support roller A rotatably installed at the top of the roller support seat A, a limiting baffle fixedly installed at the outer end of the roller support seat A, and a mold table deceleration switch and a mold table stop switch installed at the outer side of the limiting baffle; the roller support seat A is box-shaped and has an open top surface, the support roller A is rotatably installed at the open top of the roller support seat A, a rim A is installed at one side of the support roller A, and the rim A is located at the corresponding side of the two cross beams; the mold table deceleration switch is adjacent to the support roller; the limiting baffle is parallel to the cross beam, and a baffle is fixedly installed at the end of the limiting baffle.

[0007] The hydraulic positioning and locking device is symmetrically installed at the two ends between the two cross beams; the hydraulic positioning and locking device comprises a hydraulic positioning connecting seat fixedly installed on the adjacent running beam and longitudinal beam at the end of the cross beam, a switch installation beam fixedly installed at the front side of the hydraulic positioning connecting seat, a hydraulic cylinder seat fixedly installed at the inner side end of the hydraulic positioning connecting seat and vertically fixed with the end of the switch installation beam, a locking hydraulic cylinder installed at one side of the hydraulic cylinder seat and parallel to the switch installation beam, a push rod start detection switch and a push rod in place detection switch installed at the side of the switch installation beam and corresponding to the hydraulic push rod of the locking hydraulic cylinder respectively, a sensing plate installed on the hydraulic push rod and corresponding to the push rod start detection switch, a guide sleeve fixedly installed at the outer end of the switch installation beam and sleeved with the hydraulic push rod, a U-shaped joint fixedly installed at the end of the hydraulic push rod, and a locking wheel rotatably installed in the U-shaped joint; the switch installation beam is parallel to the cross beam; the distance between the push rod start detection switch and the push rod in place detection switch is the stroke of the hydraulic push rod.

[0008] Three groups of mold table driving assemblies are arranged at intervals between the several roller support assemblies of each beam, and one group of mold table driving assemblies is installed at the end of a cross beam; the mold table driving assembly comprises a speed reducer seat, a mold table driving motor installed on the speed reducer seat through a speed reducer, and a transmission wheel installed on the transmission shaft of the mold table driving motor, and the transmission wheel is arranged above the top surface of the cross beam; a hinged seat and a spring base are fixedly installed at intervals on the outer side of the cross beam; a spring seat rod sleeved with a spring is installed on the spring base; one end of the speed reducer seat is hinged with the hinged seat, the spring and the spring seat rod pass through the other end of the speed reducer seat, a sleeve is sleeved at the outer side gap of the spring, the bottom end of the sleeve is fixed with the top surface of the speed reducer seat, and an adjusting nut is screwed at the top end of the spring seat rod above the top surface of the sleeve; the top surface of the transmission wheel is slightly higher than the top surface of the roller support assembly; the adjusting nut is loosened or tightened to adjust the friction force between the transmission wheel and the mold table through the spring.

[0009] The parking assembly comprises a U-shaped support installed on the outer side of the cross beam, a position sensing stop switch fixedly installed on the outer side of the U-shaped support, and one or more proximity switches installed on the side of the sensing stop switch; different stations are inducted by corresponding proximity switches, and the position sensing stop switch works to stop the heavy transfer vehicle after reaching the position.

[0010] The present application installs a set of mold table guiding assemblies at the end of each cross beam; it comprises a support fixedly installed at the end of the cross beam and a guiding wheel installed on the top end of the support through a rotating shaft; the guiding wheel rotates horizontally; the mold table bottom beam is a channel steel, the outer side surface of the vertical plate of the channel steel is guided and frictionally moved with the guiding wheel and the inner side flange A of the corresponding support roller A; the bottom surface of the channel steel is frictionally moved with the top surface of the support roller.

[0011] The present application comprises a beam body fixedly installed on the bottom surface of two cross beams and parallel to the longitudinal beam, a driving wheel installed at one end of the beam body, and a driven wheel installed at the other end of the beam body; the driving device is two groups that operate synchronously, and the drag chain frame is located between the two groups of driving devices; the driving device comprises two groups of adjacent running beams, a transfer vehicle driving motor and a bidirectional speed reducer connected and installed on the outer side of the cross beam at the middle position of the end of the two groups of running beams, a shaft coupling installed on the transmission shaft at both ends of the bidirectional speed reducer, and the driving wheel of the running beam connected and driven by the rotating shaft and the shaft coupling; one group of transfer vehicle driving motors synchronously drives two groups of parallel running beams to run.

[0012] The present application comprises a beam body fixedly installed on the bottom surface of two cross beams and parallel to the longitudinal beam, a driving wheel installed at one end of the beam body, and a driven wheel installed at the other end of the beam body; the driving device is two groups that operate synchronously, and the drag chain frame is located between the two groups of driving devices; the driving device comprises two groups of adjacent running beams, a transfer vehicle driving motor and a bidirectional speed reducer connected and installed on the outer side of the cross beam at the middle position of the end of the two groups of running beams, a shaft coupling installed on the transmission shaft at both ends of the bidirectional speed reducer, and the driving wheel of the running beam connected and driven by the rotating shaft and the shaft coupling; one group of transfer vehicle driving motors synchronously drives two groups of parallel running beams to run.

[0013] The present application installs a mold table induction switch for detecting the arrival of the mold table on the production line at the corresponding end of the cross beam and the production line.

[0014] The present application installs a crash barrier at the end of the running beam. Advantages

[0015] The positive effects of the present application are as follows: the heavy-duty transfer trolley is integrally arranged, and can realize the transverse movement of a 18-meter-long and 80-ton heavy bridge deck formwork table between production lines; the hydraulic positioning and locking device adopts hydraulic control, and the U-shaped clamping groove on the positioning seat corresponding to the conveying line realizes safe interlocking, which is more stable and reliable, and improves the positioning accuracy of movement between the production lines; the roller support assembly and the formwork table driving assembly are arranged to meet the movement of the non-powered formwork table component between the production lines; the two groups of driving devices composed of the running beams make the transfer trolley synchronous as a whole, overcoming the asynchronization defect of the split transverse moving trolley, the heavy-duty transfer trolley body is composed of four running beams and two cross beams, the overall layout meets the conveying of the long bridge deck formwork table component, and simplifies the structure of the transfer trolley, which is convenient to disassemble, assemble, transport and install; the present application adopts two groups of driving devices for driving, and uses a drag chain for power supply, which is simple to use and convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS DRAWINGS

[0016] Fig. 1 is a structural schematic diagram of the present application;

[0017] Fig. 2 is a structural schematic diagram of the anti-collision guide assembly of the present application;

[0018] Fig. 3 is a structural schematic diagram of the hydraulic positioning and locking device of the present application;

[0019] Fig. 4 is a structural schematic diagram of the formwork table driving assembly of the present application;

[0020] Fig. 5 is a structural schematic diagram of the hinged seat and spring base of the present application;

[0021] Fig. 6 is a structural schematic diagram of the parking assembly of the present application;

[0022] Fig. 7 is a structural schematic diagram of the formwork table guide assembly of the present application;

[0023] Fig. 8 is a structural schematic diagram of the running beam of the present application;

[0024] Fig. 9 is a structural schematic diagram of the roller support assembly of the present application.

[0025] In the drawings:

[0026] 1 cross beam, 11 drag chain rack, 12 formwork table induction switch, 13 electrical control system;

[0027] 2 running beam, 21 beam body, 22 driving wheel, 23 driven wheel, 24 anti-collision pier;

[0028] 3 longitudinal beam;

[0029] 4 roller support assembly, 41 roller support seat B, 42 support roller B;

[0030] 5 driving device, 51 transfer trolley driving motor, 52 bidirectional speed reducer, 53 coupling, 54 rotating shaft;

[0031] 6 mold table anti-collision device, 61 roller support seat, 62 support roller, 63 wheel rim, 64 limiting baffle, 65 mold table deceleration switch, 66 mold table stop switch;

[0032] 7 mold table guide assembly, 71 support, 72 guide wheel, 73 anti-collision pier;

[0033] 8 hydraulic positioning and locking device, 81 hydraulic positioning and connecting seat, 82 switch mounting beam, 83 hydraulic cylinder seat, 84 locking hydraulic cylinder, 85 push rod start detection switch, 86 push rod to position detection switch, 87 induction plate, 88 guide sleeve, 89 U-shaped joint, 810 locking wheel, 811 U-shaped clamping groove, 812 positioning seat;

[0034] 9 mold table driving assembly, 90 speed reducer seat, 91 mold table driving motor, 92 transmission wheel, 93 hinged seat, 94 spring base, 95 spring, 96 spring seat rod, 97 adjusting nut, 98 protective cover, 99 sleeve;

[0035] 10 positioning and parking assembly, 101 U-shaped support, 102 position sensing stop switch, 103 proximity switch. Best mode of the present application

[0036] As shown in Figure 1, the present application comprises parallelly arranged cross beams 1, a running beam 2 and a longitudinal beam 3 fixedly installed between the two cross beams 1 at intervals, a plurality of roller support assemblies 4 installed at intervals on the top surface of the cross beams 1, a driving device 5 installed at the end of the running beam 2, a mold table anti-collision device 6 fixedly installed at one end of the cross beams 1, a mold table guide assembly 7 fixedly installed at both ends of the cross beams 1, a hydraulic positioning and locking device 8 fixedly installed on the longitudinal beams at both ends of the cross beams 1, a mold table driving assembly 9 staggered installed on the two cross beams 1, and a positioning and parking assembly 10 installed on the outside of the cross beams 1, wherein the cross beams 1, the running beam 2 and the longitudinal beam 3 constitute a heavy-duty transfer car body; a drag chain rack 11 parallel to the longitudinal beam 3 is installed on the side of the driving device; an electrical control system 13 is installed in the middle of the heavy-duty transfer car body; a mold table induction switch 12 for detecting the arrival of the mold table on the production line is installed on the end of the cross beam 1 corresponding to the production line through a support, which is used for induction corresponding to the mold table component.

[0037] The mold table carrying component is moved along the length direction of the cross beam 1 to the top surface of the heavy-duty transfer car body by the mold table driving assembly 9 and the roller support assembly 4, and the heavy-duty transfer car body drives the running beam 2 as a whole to run on the guide rail along the length direction of the longitudinal beam 3 by the driving device 5.

[0038] As shown in Figure 2, the anti-collision guide assembly 6 of the present application is symmetrically installed at the end of the two cross beams 1;

[0039] The anti-collision guide assembly 6 comprises a roller support seat A61 fixedly installed at the end of a cross beam 1, a support roller A62 rotatably installed at the top of the roller support seat A61, a limiting baffle 64 fixedly installed at the outer end of the roller support seat A61, and a mold table deceleration switch 65 and a mold table stop switch 66 installed at the outer side of the limiting baffle 64; the roller support seat A61 is box-shaped with an open top, the support roller A62 is rotatably installed at the top opening of the roller support seat A61, a rim A63 is installed at one side of the support roller A62, and the rim A63 is located at the corresponding side of the two cross beams 1; the mold table deceleration switch 65 is adjacent to the support roller 62; installation grooves are correspondingly arranged at the top of the two side plates of the roller support seat A61, the rotating shaft of the support roller A62 is arranged in the installation groove, and the top of the installation groove is blocked by a fixed plate, so that the support roller A62 is convenient to disassemble and install; the limiting baffle 64 is parallel to the cross beam 1, and a baffle 67 is vertically and fixedly installed at the end of the limiting baffle 64.

[0040] When the mold table deceleration switch 65 senses the mold table, the mold table starts to decelerate, and moves to the mold table stop switch 66, and then the mold table stops. If the mold table deceleration switch 65 or the mold table stop switch 66 fails, the baffle 67 is the last guarantee for stopping the operation of the mold table.

[0041] As shown in FIG. 3, the hydraulic positioning and locking device 8 is symmetrically installed at both ends between the two cross beams 1; the hydraulic positioning and locking device 8 comprises a hydraulic positioning connecting seat 81 fixedly installed on the adjacent running beam 2 and longitudinal beam 3 at the end of the cross beam 1, a switch mounting beam 82 fixedly installed at the front side of the hydraulic positioning connecting seat 81, a hydraulic cylinder seat 83 fixedly installed at the inner side end of the hydraulic positioning connecting seat 81 and vertically fixed with the end of the switch mounting beam 82, a locking hydraulic cylinder 84 installed at one side of the hydraulic cylinder seat 83 and parallel to the switch mounting beam 82, a push rod starting detection switch 85 and a push rod in-place detection switch 86 installed at the side of the switch mounting beam 82 and corresponding to the hydraulic push rod of the locking hydraulic cylinder 84 respectively, a sensing plate 87 installed on the hydraulic push rod and corresponding to the push rod starting detection switch 85, a guide sleeve 88 fixedly installed at the outer side end of the switch mounting beam 82 and sleeved with the hydraulic push rod, a U-shaped joint 89 fixedly installed at the end of the hydraulic push rod, and a locking wheel 810 rotatably installed in the U-shaped joint 89; the locking wheel 810 is inserted and locked with a U-shaped clamping groove 811 installed at the top end of a positioning seat 812 fixedly installed on the ground and corresponding to the conveying line; the hydraulic push rod of the locking hydraulic cylinder 84 pushes the locking wheel 810 to be inserted and locked with the U-shaped clamping groove 811 through the U-shaped joint 89; the switch mounting beam 82 is parallel to the cross beam 1; the distance between the push rod starting detection switch 85 and the push rod in-place detection switch 86 is the stroke of the hydraulic push rod.

[0042] The heavy-duty transfer trolley moves to the conveying line where the mold table component is located, the electric control system 13 aligns the supporting rollers B42 on the heavy-duty transfer trolley body with the roller supporting alignment on the conveying line, then starts the corresponding hydraulic positioning locking device 8, the hydraulic push rod of the locking hydraulic cylinder 84 drives the inductive plate 87 to push out along the guide sleeve 88, after the inductive plate 87 senses the push rod to the position detection switch 86, the locking wheel 810 contacts the entrance of the U-shaped clamping groove 811 and then rotates horizontally, enters the U-shaped clamping groove 811 and is inserted with the U-shaped clamping groove 811 to lock the heavy-duty transfer trolley, which is convenient for safely and reliably moving the mold table component to the trolley body.

[0043] As shown in Figs. 4 and 5, the present application is provided with three groups of mold table driving assemblies 9 between the several roller supporting assemblies 4 of each beam 1, one group of which is installed at one end of the cross beam, so that the end of the mold table moved to the heavy-duty transfer trolley body first obtains power, and the whole mold table runs to the heavy-duty transfer trolley body along the roller supporting assemblies 4 and the mold table driving assemblies 9 arranged in the gaps therebetween;

[0044] The mold table driving assembly 9 comprises a speed reducer base 90, a mold table driving motor 91 installed on the speed reducer base 90 through a speed reducer, and a transmission wheel 92 installed on the transmission shaft of the mold table driving motor 91, wherein the transmission wheel 92 is arranged above the top surface of the cross beam 1; a protective cover 98 is installed above the mold table driving motor 91 to prevent foreign matters from falling thereon;

[0045] Hinge seats 93 and spring bases 94 are fixedly installed at intervals on the outer side of the cross beam 1; spring seat rods 96 with sleeved springs 95 are installed on the spring bases 94; one end of the speed reducer base 90 is hingedly connected with the hinge seat 93, and the other end of the speed reducer base 90 passes through the spring 95 and the spring seat rod 96, a sleeve 99 is sleeved on the outer side gap of the spring 95, the bottom end of the sleeve 99 is fixed to the top surface of the speed reducer base 90, and an adjusting nut 97 is screwed on the top end of the spring seat rod 94 above the top surface of the sleeve 99;

[0046] The top surface of the transmission wheel 92 is slightly higher than the top surface of the roller supporting assembly 4, so that the mold table obtains friction force to move forward; since one end of the speed reducer base 90 is hingedly connected with the hinge seat 93, the adjusting nut 97 is loosened or tightened to make the other end of the speed reducer base 90 slightly rise and fall through the spring 95, so as to adjust the friction force between the transmission wheel 92 and the mold table.

[0047] As shown in Fig. 6, the parking assembly 10 of the present application comprises a U-shaped bracket 101 installed on the outer side of the cross beam 1, a position sensing stop switch 102 fixedly installed on the outer side of the U-shaped bracket 101, and one or more proximity switches 103 installed on one side of the position sensing stop switch 102; different stations are sensed by corresponding proximity switches 103, and the position sensing stop switch 102 works to stop the heavy-duty transfer trolley after being in place.

[0048] As shown in Fig. 6, a set of mold table guiding assemblies 7 are installed at the end of each cross beam; the mold table guiding assembly 7 is installed at the end of the cross beam 1 of the anti-collision guiding assembly 6, which is located inside the limiting baffle 64 and corresponds to the support roller 62 obliquely, the mold table guiding assembly 7 comprises a support 71 fixedly installed at the end of the cross beam 1 and a guiding wheel 72 installed at the top of the support 71 through a rotating shaft; the guiding wheel 72 rotates horizontally; the mold table bottom beam is a channel steel, the outer side surface of the vertical plate of the channel steel is guided and frictionally moved with the guiding wheel 72 and the inner side of the wheel rim A63 of the corresponding support roller A62; the bottom surface of the channel steel is frictionally moved with the top surface of the support roller 63.

[0049] As shown in Figs. 1, 7 and 8, the running beam 2 of the present application comprises a beam body 21 fixedly installed at the bottom surface of the two cross beams 1 and parallel to the longitudinal beam 3, a driving wheel 22 installed at one end of the beam body 21 and a driven wheel 23 installed at the other end of the beam body 21; the driving device 5 is two groups of synchronous operation, and the drag chain frame 11 is located between the two groups of driving devices;

[0050] The driving device comprises two groups of adjacent running beams 2, a connecting shuttle vehicle driving motor 51 and a bidirectional speed reducer 52 installed at the middle position of the end of the two groups of running beams 2 and outside the cross beam 1, a shaft coupling 53 installed on the transmission shaft at both ends of the bidirectional speed reducer 52 and the driving wheel 22 of the running beam 2 connected with the shaft coupling 53 through a rotating shaft 54; one group of shuttle vehicle driving motors 51 synchronously drives two groups of parallel running beams 2 to run, an anti-collision pier 24 is installed at the end of the running beam 2 to prevent damage to the vehicle body.

[0051] As shown in Figs. 1 and 9, the roller support assembly 4 of the present application is installed on the cross beam 1 at intervals, two roller support assemblies opposite to each other of the two cross beams 1 form a group, and one group of roller support assemblies corresponds to one longitudinal beam 3; the roller support assembly 4 comprises a roller support seat B41 installed on the top surface of the cross beam 1 and a support roller B42 rotatably installed at the top of the roller support seat B41; the roller support seat B41 is box-shaped and has an opening at the top surface, and the support roller B42 is rotatably installed at the opening at the top of the roller support seat B41; a wheel rim B43 is arranged at one side of the support roller B42, and the wheel rim B43 is located at the corresponding side surface of the two cross beams 1.

[0052] When the die platform with the bridge deck component moves from one conveying line to another, a heavy transfer trolley needs to be started to complete the interline movement of the die platform component, and the transfer trolley is used when conveying between the roller conveying lines. First, the heavy transfer trolley of the present application is moved to the conveying line where the die platform component is located, the die platform induction switch 12 senses the arrival of the die platform, the electrical control system 13 aligns the support rollers B42 on the heavy transfer trolley body with the roller support on the conveying line, and then starts the hydraulic positioning locking device 8, the locking wheel 810 is inserted and locked with the U-shaped clamping groove 811 to lock the heavy transfer trolley, the die platform component is moved from the conveying line to the heavy transfer trolley under the action of the die platform driving assembly 9 on the heavy transfer trolley, and after the die platform component is detected to be in place by the die platform deceleration switch 65 and the die platform stop switch 66, the hydraulic positioning locking device 8 is started again, the locking wheel 810 is retracted, and the heavy transfer trolley is started to transport the die platform component to the required station, thereby completing the interline movement of the heavy die platform component.

[0053] The heavy transfer trolley of the present application is integrally arranged, the overall length is 17 meters or more, and the 18-meter-long and 80-ton-heavy bridge deck panel die platform can be transversely moved between the production lines; the hydraulic positioning locking device adopts hydraulic control, and the U-shaped clamping groove on the positioning seat corresponding to the conveying line realizes safe interlocking, which is more stable and reliable, and improves the positioning accuracy of the interline movement; the roller support assembly 4 and the die platform driving assembly are arranged to meet the movement of the unpowered die platform component between the production lines; the two groups of driving devices composed of the running beams make the transfer trolley synchronous as a whole, overcoming the asynchronization defect of the split transverse transfer trolley, the heavy transfer trolley body of the present application is composed of four running beams and two cross beams, the inclined reinforcing ribs are added to the bottom surface of the trolley body, the overall layout enhances the rigidity of the trolley body, and the trolley body is convenient to disassemble and assemble, transport and install; the present application adopts two groups of driving devices for driving, and the power is taken by the drag chain, which is simple to use and convenient to maintain, and is suitable for the interline movement of the long and narrow die platform component of the high-speed T-beam production line.

[0054] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application. Embodiments of the present application

[0055] As shown in Fig. 1, the present application comprises parallel arranged cross beams 1, a running beam 2 and a longitudinal beam 3 fixedly installed between the two cross beams 1 at intervals, a plurality of roller support assemblies 4 installed at intervals on the top surface of the cross beams 1, a driving device 5 installed at the end of the running beam 2, a mold table anti-collision device 6 fixedly installed at one end of the cross beam 1, a mold table guide assembly 7 fixedly installed at both ends of the cross beam 1, a hydraulic positioning locking device 8 fixedly installed on the longitudinal beam at both ends of the cross beam 1, a mold table driving assembly 9 staggered installed on the two cross beams 1, and a positioning parking assembly 10 installed on the outer side of the cross beam 1, wherein the cross beam 1, the running beam 2 and the longitudinal beam 3 constitute a heavy-duty transfer vehicle body; a drag chain rack 11 parallel to the longitudinal beam 3 is installed on the driving device side; an electrical control system 13 is installed in the middle of the heavy-duty transfer vehicle body; a mold table induction switch 12 for detecting the arrival of the mold table on the production line is installed on the end of the cross beam 1 corresponding to the production line through a support, which is used for sensing the mold table component.

[0056] The mold table carrying component is moved along the length direction of the cross beam 1 to the top surface of the heavy-duty transfer vehicle body through the mold table driving assembly 9 and the roller support assembly 4, and the heavy-duty transfer vehicle body drives the running beam 2 as a whole to run on the guide rail along the length direction of the longitudinal beam 3 through the driving device 5.

[0057] As shown in Fig. 2, the anti-collision guide assembly 6 is symmetrically installed at the end of the two cross beams 1.

[0058] The anti-collision guide assembly 6 comprises a roller support seat A61 fixedly installed at the end of a cross beam 1, a support roller A62 rotatably installed at the top of the roller support seat A61, a limiting baffle 64 fixedly installed at the outer end of the roller support seat A61, and a mold table deceleration switch 65 and a mold table stop switch 66 installed at intervals on the outer side of the limiting baffle 64; the roller support seat A61 is in a box shape with an open top surface, the support roller A62 is rotatably installed at the top opening of the roller support seat A61, a rim A63 is installed on one side of the support roller A62, and the rim A63 is located on the corresponding side surface of the two cross beams 1; the mold table deceleration switch 65 is adjacent to the support roller 62; a mounting groove is correspondingly arranged at the middle position of the top of the two side plates of the roller support seat A61, the rotating shaft of the support roller A62 is arranged in the mounting groove, and the top of the mounting groove is blocked by a fixed plate, which facilitates the disassembly and installation of the support roller A62; the limiting baffle 64 is parallel to the cross beam 1, and a baffle 67 is vertically fixedly installed at the end of the limiting baffle 64.

[0059] When the mold table deceleration switch 65 senses the mold table, the mold table starts to decelerate, and after moving to the mold table stop switch 66, the mold table stops. If the mold table deceleration switch 65 or the mold table stop switch 66 fails, the baffle 67 is the last guarantee for stopping the running of the mold table.

[0060] As shown in Fig. 3, the hydraulic positioning locking device 8 is symmetrically installed at both ends between the two cross beams 1; the hydraulic positioning locking device 8 comprises a hydraulic positioning connecting seat 81 fixedly installed on the adjacent running beam 2 and longitudinal beam 3 at the end of the cross beam 1, a switch mounting beam 82 fixedly installed at the front side of the hydraulic positioning connecting seat 81, a hydraulic cylinder seat 83 fixedly installed at the inner side end of the hydraulic positioning connecting seat 81 and vertically fixed with the end of the switch mounting beam 82, a locking hydraulic cylinder 84 installed at one side of the hydraulic cylinder seat 83 and parallel to the switch mounting beam 82, a push rod start detection switch 85 and a push rod in place detection switch 86 installed at the side of the switch mounting beam 82 and corresponding to the hydraulic push rod of the locking hydraulic cylinder 84 respectively, a sensing plate 87 installed on the hydraulic push rod and corresponding to the push rod start detection switch 85, a guide sleeve 88 fixedly installed at the outer side end of the switch mounting beam 82 and sleeved with the hydraulic push rod, a U-shaped joint 89 fixedly installed at the end of the hydraulic push rod, and a locking wheel 810 rotatably installed in the U-shaped joint 89; the locking wheel 810 is inserted and locked with a U-shaped clamping groove 811 installed at the top end of a positioning seat 812 fixedly installed on the ground and corresponding to the conveying line; the hydraulic push rod of the locking hydraulic cylinder 84 drives the locking wheel 810 to be inserted and locked with the U-shaped clamping groove 811 through the U-shaped joint 89; the switch mounting beam 82 is parallel to the cross beam 1; the distance between the push rod start detection switch 85 and the push rod in place detection switch 86 is the stroke of the hydraulic push rod.

[0061] The heavy transfer trolley moves to the conveying line where the mold table component is located, the support roller B42 on the heavy transfer trolley body is aligned and aligned with the roller support on the conveying line by the electrical control system 13, then the corresponding hydraulic positioning locking device 8 is started, the hydraulic push rod of the locking hydraulic cylinder 84 drives the sensing plate 87 to be pushed out along the guide sleeve 88, after the sensing plate 87 senses the push rod in place detection switch 86, the locking wheel 810 contacts the entrance of the U-shaped clamping groove 811 and rotates horizontally, enters the U-shaped clamping groove 811 and is inserted and locked with the U-shaped clamping groove 811 to lock the heavy transfer trolley, which facilitates the safe and reliable movement of the mold table component to the trolley body.

[0062] As shown in Figs. 4 and 5, three groups of mold table driving assemblies 9 are arranged between the roller support assemblies 4 of each beam cross 1, one group of mold table driving assemblies 9 is installed at one end of the cross beam, so that the end of the mold table moving to the heavy transfer trolley body first obtains power, and the whole mold table runs to the heavy transfer trolley body along the roller support assemblies 4 and the mold table driving assemblies 9 arranged therebetween in a staggered manner;

[0063] The mould table driving assembly 9 comprises a speed reducer base 90, a mould table driving motor 91 mounted on the speed reducer base 90 through a speed reducer and a transmission wheel 92 mounted on a transmission shaft of the mould table driving motor 91, the transmission wheel 92 is arranged above the top surface of the cross beam 1; a protective cover 98 is mounted above the mould table driving motor 91 to prevent foreign matters from falling thereon;

[0064] The hinged seat 93 and the spring base 94 are fixedly arranged at intervals on the outer side of the cross beam 1; the spring seat rod 96 with the sleeved spring 95 is mounted on the spring base 94; one end of the speed reducer base 90 is hinged to the hinged seat 93, the spring 95 and the spring seat rod 96 pass through the other end of the speed reducer base 90, a sleeve 99 is sleeved on the outer side of the spring 95 with a gap, the bottom end of the sleeve 99 is fixed to the top surface of the speed reducer base 90, the adjusting nut 97 is screwed on the top end of the spring seat rod 94 above the top surface of the sleeve 99;

[0065] The top surface of the transmission wheel 92 is slightly higher than the top surface of the roller supporting assembly 4, so that the mould table can obtain friction force to move forward; since one end of the speed reducer base 90 is hinged to the hinged seat 93, the adjusting nut 97 is loosened or tightened to make the other end of the speed reducer base 90 slightly rise and fall through the spring 95, so that the friction force between the transmission wheel 92 and the mould table is adjusted.

[0066] As shown in Fig. 6, the parking assembly 10 of the present application comprises a U-shaped support 101 mounted on the outer side of the cross beam 1, a position sensing stop switch 102 fixedly mounted on the outer side of the U-shaped support 101 and one or more proximity switches 103 mounted on one side of the position sensing stop switch 102; different stations are sensed by corresponding proximity switches 103, and the position sensing stop switch 102 works to stop the heavy transfer vehicle after the station is reached.

[0067] As shown in Fig. 6, a set of mould table guiding assembly 7 is mounted at the end of each cross beam; the mould table guiding assembly 7 is mounted on the cross beam 1 at the end of the anti-collision guiding assembly 6, is located inside the limiting baffle 64 and corresponds to the support roller 62 obliquely, the mould table guiding assembly 7 comprises a support 71 fixedly mounted on the end of the cross beam 1 and a guiding wheel 72 mounted on the top end of the support 71 through a rotating shaft; the guiding wheel 72 rotates horizontally; the mould table bottom beam is a channel steel, the outer side surface of the vertical plate of the channel steel is guided and frictionally moved with the guiding wheel 72 and the inner side of the rim A63 of the corresponding support roller A62, and the bottom surface of the channel steel is frictionally moved with the top surface of the support roller 63.

[0068] As shown in Figs. 1, 7 and 8, the running beam 2 of the present application comprises a beam body 21 fixedly mounted on the bottom surfaces of two cross beams 1 and parallel to the longitudinal beam 3, a driving wheel 22 mounted on one end of the beam body 21 and a driven wheel 23 mounted on the other end of the beam body 21; the driving device 5 is two groups of synchronous operation, and the drag chain frame 11 is located between the two groups of driving devices;

[0069] The driving device comprises two groups of running beams 2, a transfer vehicle driving motor 51 and a bidirectional speed reducer 52 connected and installed at the middle position of the end of the two groups of running beams 2 outside the cross beam 1, a shaft coupling 53 installed on the transmission shaft of the two ends of the bidirectional speed reducer 52, and a driving wheel 22 of the running beam 2 drivingly connected with the shaft coupling 53 through a rotating shaft 54; one group of transfer vehicle driving motors 51 synchronously drives two groups of parallel running beams 2 to run, and a crash barrier 24 is installed at the end of the running beam 2 to prevent damage to the vehicle body.

[0070] As shown in FIGS. 1 and 9, the roller support assembly 4 is installed on the cross beam 1 at intervals, two roller support assemblies opposite to each other on the cross beam 1 form a group, and one group of roller support assemblies corresponds to one longitudinal beam 3; the roller support assembly 4 comprises a roller support seat B41 installed on the top surface of the cross beam 1 and a support roller B42 rotatably installed on the top of the roller support seat B41; the roller support seat B41 is in a box shape and has an opening on the top surface, and the support roller B42 is rotatably installed at the opening on the top of the roller support seat B41; a rim B43 is arranged on one side of the support roller B42, and the rim B43 is located on the side surface corresponding to the two cross beams 1.

[0071] When the die table with the bridge deck component moves from one conveying line to another conveying line, a heavy transfer vehicle needs to be started to complete the interline movement of the die table component, and the transfer vehicle is needed to realize the transmission between the roller conveying lines. First, the heavy transfer vehicle of the present application is moved to the conveying line where the die table component is located, the die table induction switch 12 senses the arrival of the die table, the electrical control system 13 aligns and adjusts the support roller B42 on the body of the heavy transfer vehicle with the roller support on the conveying line, and then starts the hydraulic positioning locking device 8, the locking wheel 810 is horizontally rotated and inserted into the U-shaped clamping groove 811 to lock the heavy transfer vehicle, the die table component is moved from the conveying line to the heavy transfer vehicle under the action of the die table driving assembly 9 on the heavy transfer vehicle, and after the die table component is detected to be in place by the die table deceleration switch 65 and the die table stop switch 66, the hydraulic positioning locking device 8 is started again, the locking wheel 810 is retracted, the heavy transfer vehicle is started to transport the die table component to the required station, thereby completing the interline movement of the heavy die table component.

[0072] The heavy transfer trolley is integrally arranged, the whole length is 17 meters or above, the 18-meter long and 80-ton heavy bridge deck mold table can be transversely moved between production lines; the hydraulic positioning and locking device is controlled by hydraulic pressure, the U-shaped clamping groove on the positioning seat corresponding to the conveying line realizes safe interlocking, is more stable and reliable, and the positioning accuracy of movement between production lines is improved; the roller supporting assembly 4 and the mold table driving assembly are arranged, the movement of the non-powered mold table component between the production lines is met; two groups of driving devices composed of running beams make the whole transfer trolley synchronous, and the defect of asynchronization of the split transverse moving trolley is overcome, the heavy transfer trolley body is composed of four running beams and two cross beams, the oblique reinforcing ribs are added to the bottom surface of the trolley body, the integral layout enhances the rigidity of the trolley body, and the trolley body is convenient to disassemble and assemble, convenient to transport and install; the two groups of driving devices are adopted for driving, the power is taken by the drag chain, the use is simple, the maintenance is convenient, and the invention is suitable for the narrow and long mold table component line movement of the high-speed T-beam production line.

[0073] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A heavy-duty shuttle characterized in that, It includes the crossbeam (1) arranged in parallel, the walking beam (2) and the longitudinal beam (3) fixedly installed between the two crossbeams (1) at intervals, a plurality of roller support assemblies (4) installed at intervals on the top surface of the crossbeam (1), the driving device (5) installed at the end of the walking beam (2), the mold table anti-collision device (6) fixedly installed at one end of the crossbeam (1), the mold table guide assembly (7) fixedly installed at both ends of the crossbeam (1), the hydraulic positioning locking device (8) fixedly installed on the longitudinal beam at both ends of the crossbeam (1), the mold table driving assembly (9) installed staggered on the two crossbeams (1), and the positioning parking assembly (10) installed on the outer side of the crossbeam (1), wherein the crossbeam (1), the walking beam (2) and the longitudinal beam (3) constitute the heavy-duty transfer car body; the drag chain rack (11) parallel to the longitudinal beam (3) is installed on the side of the driving device; The mold table of the loading member is moved along the length direction of the crossbeam (1) to the top surface of the heavy-duty transfer car body through the mold table driving assembly (9) and the roller support assembly (4), and the heavy-duty transfer car body drives the walking beam (2) to run on the guide rail along the length direction of the longitudinal beam (3) through the driving device (5).

2. The heavy-duty shuttle according to claim 1, characterized in that The anti-collision guide assembly (6) is symmetrically installed at the end of the two crossbeams (1); The anti-collision guide assembly (6) includes the roller support seat A (61) fixedly installed at the end of the crossbeam (1), the support roller A (62) rotatably installed at the top of the roller support seat A (61), the limiting baffle (64) fixedly installed at the outer end of the roller support seat A (61), and the mold table deceleration switch (65) and the mold table stop switch (66) installed at intervals on the outer side of the limiting baffle (64); the roller support seat A (61) is box-shaped and has an open top surface, the support roller A (62) is rotatably installed at the top opening of the roller support seat A (61), the flange A (63) is installed on one side of the support roller A (62), and the flange A (63) is located on the corresponding side surface of the two crossbeams (1); the mold table deceleration switch (65) is adjacent to the support roller (62); The limiting baffle (64) is parallel to the crossbeam (1), and the baffle (67) is fixedly installed at the end of the limiting baffle (64) vertically.

3. The heavy duty shuttle according to claim 1, wherein, The hydraulic positioning locking device (8) is symmetrically installed at both ends between the two crossbeams (1). The hydraulic positioning locking device (8) comprises a hydraulic positioning connecting seat (81) fixedly installed on the walking beam (2) and the longitudinal beam (3) adjacent to the end of the cross beam (1), a switch mounting beam (82) fixedly installed on the front side of the hydraulic positioning connecting seat (81), a hydraulic cylinder seat (83) fixedly installed on the inner side end of the hydraulic positioning connecting seat (81) and vertically fixed with the end of the switch mounting beam (82), a locking hydraulic cylinder (84) installed on one side of the hydraulic cylinder seat (83) and parallel to the switch mounting beam (82), a push rod starting detection switch (85) and a push rod to position detection switch (86) installed on the side of the switch mounting beam (82) and corresponding to the hydraulic push rod of the locking hydraulic cylinder (84) respectively, a sensing plate (87) installed on the hydraulic push rod and corresponding to the push rod starting detection switch (85), a guide sleeve (88) fixedly installed on the outer side end of the switch mounting beam (82) and sleeved with the hydraulic push rod, a U-shaped joint (89) fixedly installed on the end of the hydraulic push rod, and a locking wheel (810) rotatably installed in the U-shaped joint (89). The switch mounting beam (82) is parallel to the cross beam (1). The distance between the push rod starting detection switch (85) and the push rod to position detection switch (86) is the stroke of the hydraulic push rod.

4. The heavy duty shuttle according to claim 1, wherein, Three groups of mold table driving assemblies (9) are arranged at intervals between a plurality of roller support assemblies (4) of each cross beam (1), and one group of mold table driving assemblies (9) is installed at the end of the cross beam. The mold table driving assembly (9) comprises a speed reducer seat (90), a mold table driving motor (91) installed on the speed reducer seat (90) through a speed reducer, and a transmission wheel (92) installed on the transmission shaft of the mold table driving motor (91), and the transmission wheel (92) is arranged above the top surface of the cross beam (1). A hinge seat (93) and a spring base (94) are fixedly installed at intervals on the outside of the cross beam (1); a spring seat rod (96) sleeved with a spring (95) is installed on the spring base (94); one end of the speed reducer seat (90) is hingedly connected with the hinge seat (93), the spring (95) and the spring seat rod (96) pass through the other end of the speed reducer seat (90), a sleeve (99) is sleeved with a gap outside the spring (95), the bottom end of the sleeve (99) is fixed with the top surface of the speed reducer seat (90), and an adjusting nut (97) is screwed on the top end of the spring seat rod (94) above the top surface of the sleeve (99); The top surface of the transmission wheel (92) is slightly higher than the top surface of the roller support assembly (4); Loosen or tighten the adjusting nut (97) to adjust the friction between the transmission wheel (92) and the mold table through the spring (95).

5. The heavy duty shuttle according to claim 1, wherein, The parking assembly (10) comprises a U-shaped support (101) installed on the outside of the cross beam (1), a position sensing stop switch (102) fixedly installed on the outside of the U-shaped support (101), and one or more proximity switches (103) installed on one side of the position sensing stop switch (102). Different stations are sensed by corresponding proximity switches (103), and the position sensing stop switch (102) works to stop the heavy transfer vehicle after being in place.

6. The heavy duty shuttle according to claim 2, wherein, A set of mold table guiding assemblies (7) are installed at the ends of each beam; it includes a support (71) fixedly installed at the end of the beam (1) and a guiding wheel (72) installed at the top end of the support (71) through a rotating shaft; the guiding wheel (72) rotates horizontally; The bottom beam of the mold table is a channel steel, the vertical plate outer side surface of the channel steel is guided and moved in friction with the inner side of the wheel rim A (63) of the guiding wheel (72) and the corresponding support roller A (62); the bottom surface of the channel steel is moved in friction with the top surface of the support roller (63).

7. The heavy duty shuttle according to claim 1, wherein, The running beam (2) includes a beam body (21) fixedly installed at the bottom surface of the two beams (1) and parallel to the longitudinal beam (3), a driving wheel (22) installed at one end of the beam body (21), and a driven wheel (23) installed at the other end of the beam body (21); The driving device (5) is two groups that operate synchronously, and the drag chain frame (11) is located between the two groups of driving devices; The driving device includes two groups of adjacent running beams (2), a connecting ferry car driving motor (51) and a bidirectional speed reducer (52) installed at the middle position of the ends of the two groups of running beams (2) and outside the beam (1), a shaft coupling (53) installed on the transmission shaft at both ends of the bidirectional speed reducer (52), and the driving wheel (22) of the running beam (2) driven by the transmission shaft (54) and the shaft coupling (53); One group of ferry car driving motors (51) synchronously drive two groups of parallel running beams (2) to run.

8. The heavy duty shuttle according to claim 2, wherein, The roller support assembly (4) is installed on the beam (1) at intervals, and the two roller support assemblies opposite to each other on the two beams (1) form a group, and one group of roller support assemblies corresponds to one longitudinal beam (3); The roller support assembly (4) includes a roller support seat B (41) installed on the top surface of the beam (1), and a support roller B (42) rotatably installed at the top of the roller support seat B (41); the roller support seat B (41) is box-shaped and has an opening at the top surface, and the support roller B (42) is rotatably installed at the top opening of the roller support seat B (41); A wheel rim B (43) is arranged on one side of the support roller B (42), and the wheel rim B (43) is located on the corresponding side surface of the two beams (1).

9. The heavy duty shuttle according to claim 1, wherein, A mold table induction switch (12) for detecting the arrival of the mold table on the production line is installed at the end of the beam (1) corresponding to the production line through a support.

10. The heavy duty shuttle according to claim 7, wherein, A bumping block (24) is installed at the end of the running beam (2).

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