CN108979159A - A kind of lower traveling appts. for transferring ready-mixed concrete - Google Patents

A kind of lower traveling appts. for transferring ready-mixed concrete Download PDF

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Publication number
CN108979159A
CN108979159A CN201811056501.6A CN201811056501A CN108979159A CN 108979159 A CN108979159 A CN 108979159A CN 201811056501 A CN201811056501 A CN 201811056501A CN 108979159 A CN108979159 A CN 108979159A
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China
Prior art keywords
walking
frame
plate
wheel
guide
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CN201811056501.6A
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CN108979159B (en
Inventor
赵保久
王瑞平
张紫旭
李建峰
曹文华
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HEBEI XINDADI ELECTROMECHANICAL MANUFACTURING Co Ltd
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HEBEI XINDADI ELECTROMECHANICAL MANUFACTURING Co Ltd
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Publication of CN108979159A publication Critical patent/CN108979159A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soil Working Implements (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The invention discloses a kind of lower traveling appts. for transferring ready-mixed concrete, connect by a shaft coupling tractor walked for drawing walking frame along guide rail and the revolving hopper being installed on walking frame with walking frame front end including a guide rail, a walking frame, one.The device uses the structure type of resilient suspension, can overcome and jolt caused by track out-of-flatness, advances steady, reduces the impact to track, is conducive to improve traveling speed.Being equipped with for 4 groups of guiding hangers and elastomer, enables vehicle to be sufficiently positioned on guide rail, and vehicle does not glance off, and can compensate for gauge error, avoids running resistance increase, reduces operation clamping stagnation.Since the stability of vehicle body operation is reliable, it is aided with new trolley mounting means, the traffic direction of current-collector brush is made to be similar to 0 ° with the angle of wiping wire casing always, to improve the reliability and service life of trolley.

Description

Downward-running concrete conveying device
Technical Field
The invention relates to the field of concrete conveying devices, in particular to a downward-running concrete conveying device.
Background
In the industrial production link of prefabricated parts in the building field at present, a transportation hopper with a power source is generally adopted between a concrete mixing plant and a concrete spreader to transport concrete.
In the precast concrete transport vehicle disclosed in the Chinese patent ZL201010161137.7, the wheels are connected with the vehicle body through rigid bearing seats, so that the impact on the track is large, and the running speed is not favorably improved; and when the track gauge control is not accurate enough in construction or the hopper enters a curve, the rigid suspension is difficult to adapt to track gauge errors, so that the movement resistance is increased and even blocked, and the passing performance is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a downward running concrete conveying device which can elastically hang a vehicle body on a guide rail, compensate the gauge error and ensure smooth running.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a walk-down concrete conveying apparatus comprising:
the guide rail consists of an inner rail and an outer rail which are arranged at intervals and in parallel, wherein the inner rail and the outer rail respectively comprise an upper wing plate, a lower wing plate and a web plate which is vertically connected with the middle parts of the upper wing plate and the lower wing plate;
the walking frame comprises a frame main body which is horizontally arranged and has a rectangular structure, support bodies which are vertically fixed at the two transverse ends of the frame main body, and walking mechanisms positioned at the four corners of the frame main body;
the tractor is connected with the front end of the walking frame by a coupler and is used for dragging the walking frame to walk along the guide rail;
the rotary hopper is horizontally positioned between the two support bodies of the walking frame, the two axial ends of the rotary hopper are rotatably connected with the support bodies, the top of the rotary hopper is provided with a notch part, and the rotary hopper is connected with a second driving motor which is used for driving the rotary hopper to rotate along the axis and enabling the notch part to face downwards;
the method is characterized in that:
wherein,
the walking mechanism comprises a guide hanging frame and first walking wheels, wherein the guide hanging frame comprises a connecting shaft and an installation frame, the installation frame comprises installation side plates vertically positioned at two sides of a guide rail web plate and a support bottom plate horizontally connected with the two installation side plates, the connecting shaft is vertically arranged, the lower end of the connecting shaft is fixed with the frame main body, the upper end of the connecting shaft rotatably penetrates through the middle part of the support bottom plate and is horizontally provided with a balance pressure plate, the inner side of each installation side plate is provided with the first walking wheels by virtue of a shaft body, and the first walking wheels are in sliding connection and matching with the lower wing plate;
further comprising:
the damping mechanism is arranged on each walking mechanism and comprises two columnar elastic bodies, the elastic bodies are vertically positioned between the supporting bottom plate and the balance pressure plate and positioned on two symmetrical sides of the connecting shaft, the upper ends of the elastic bodies are fixed with the balance pressure plate, and the lower ends of the elastic bodies are fixed with the supporting bottom plate; and
the electric mechanism is used for leading first driving motor and second driving motor on the tractor into the electric energy, including being fixed in walking the walking control box of walking the frame rear end and locating the fixed control box in the workshop, walk walking control box and fixed control box with the help of current collector electric connection, the current collector is including locating the collecting brush on the mounting bracket of interior rail one side and locating the slide-wire groove on the interior rail web, the collecting brush can be along with walking frame motion and slide-wire groove sliding contact.
The further technical scheme is as follows: the walking mechanism further comprises guide wheels, wherein two sides of each first walking wheel are respectively provided with one guide wheel, and the guide wheels are installed on the installation side plates and are in sliding contact with the web plates of the guide rails.
The further technical scheme is as follows: the tractor is located the inner rail of guide rail, walks the road wheel including the second that is located inner rail web both sides to and be located inner rail lower wing board below, and by the rotatory action wheel of first driving motor drive, the second is walked road wheel and action wheel and is held the lower wing plate centre gripping of inner rail between the two with the help of a closing device.
The further technical scheme is as follows: the tractor comprises an upper frame and a lower frame, wherein the upper frame and the lower frame are rotatably connected by means of a first shaft body which is arranged in a longitudinal horizontal mode, the driving wheel is arranged on the lower frame, the second walking wheel is arranged on the upper frame, and the pressing device can drive the lower frame to drive the driving wheel to rotate along the first shaft body to extrude the lower wing plate of the inner rail.
The further technical scheme is as follows: the pressing device comprises a pressing shaft, a disc spring and a locking nut, wherein the pressing shaft vertically and movably penetrates through the pressing beam, the upper end of the pressing shaft is rotatably connected with the second shaft body, the locking nut is screwed at the lower end of the pressing shaft, and the disc spring is tightly pressed between the locking nut and the pressing beam.
The further technical scheme is as follows: the rotary hopper rotates anticlockwise or clockwise to pour materials, a discharging plate is arranged on the walking frame beam facing one side, and the discharging plate comprises a vertical plate and a material guide plate which is connected with the bottom of the vertical plate and inclines inwards.
The further technical scheme is as follows: and the two transverse ends of the stripper plate are provided with striker plates which are turned inwards and form an obtuse angle with the stripper plate.
The further technical scheme is as follows: the rotary hopper is of an elliptical seal head tank structure.
The further technical scheme is as follows: the first driving motor and the second driving motor both adopt motor fundamental frequency of 87 Hz.
The further technical scheme is as follows: and the front end and the rear end of the walking frame are provided with anti-collision emergency stop protection devices.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the device adopts the structure form of elastic suspension, and the elastic bodies are arranged between the whole vehicle and each running mechanism, so that the whole vehicle can be elastically suspended on the guide rails, jolts caused by uneven tracks can be overcome in the running process of the whole vehicle, the running is stable, the impact on the tracks is reduced, and the running speed is favorably improved.
Because the 4 groups of guide hangers are matched with the elastic body, the whole vehicle can be fully positioned on the guide rail, the whole vehicle does not deflect, the gauge error can be compensated, the increase of the running resistance is avoided, and the running clamping stagnation is reduced. The upper end of the elastic body is fixed on the connecting shaft, the elastic body is fixed with the walking frame, the lower end of the elastic body is fixed with the mounting frame, the mounting frame is movably connected with the connecting shaft, the elastic body can be adjusted along with the change of the gauge, the relative connecting shaft rotates, a wheel body of the walking mechanism is always attached to a track, the elastic body deforms in a tangential direction to store energy, the elastic body releases energy to reset, the mounting frame can be driven to reset, and the walking mechanism can walk along the track all the time.
Because the stability of automobile body operation is reliable, assist new wiping line mounting means, make wiping line support be fixed in the rotatory upper portion of turning to the gallows, make the moving direction of collector brush and wiping line groove's contained angle be close to 0 all the time to improve wiping line's reliability and life.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic left side view of the structure of FIG. 1;
FIG. 4 is a schematic view of the running gear of the invention;
FIG. 5 is a schematic cross-sectional view of the running gear of the invention;
fig. 6 is a schematic structural view of the tractor according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the description of the embodiments given herein without making any inventive step, are within the scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 5, a downward traveling concrete transporting apparatus includes a guide rail, a traveling frame, a tractor 30 connected to a front end of the traveling frame via a coupling 31 for drawing the traveling frame to travel along the guide rail, and a rotating hopper 40 mounted on the traveling frame.
The guide rail comprises interval and parallel arrangement's interior rail 11 and outer rail 12, interior rail 11 and outer rail 12 all include upper wing plate, lower wing plate and the web of vertical connection upper and lower wing plate middle part of parallel arrangement from top to bottom.
The walking frame comprises a frame main body 21 which is horizontally arranged and has a rectangular structure, support bodies 22 which are vertically fixed at the two transverse ends of the frame main body 21, and walking mechanisms 23 which are positioned at four corners of the frame main body 21.
The rotary hopper 40 is used for containing materials such as concrete. The rotary hopper 40 is horizontally arranged between the two support bodies 22 of the walking frame, the two axial ends of the rotary hopper are rotatably connected with the support bodies 22 through bearings, the top of the rotary hopper 40 is provided with a notch part (namely a feeding hole/discharging hole), the rotary hopper 40 is connected with a second driving motor 41 which is used for driving the rotary hopper to rotate along the axis and enabling the notch part to discharge materials downwards and reset, and after the rotary hopper 40 runs to a pouring station, the second driving motor 41 is started to drive the rotary hopper 40 to discharge materials downwards in a rotating mode.
In the device, the walking mechanism 23 comprises a guide hanger and first walking wheels 231, the guide hanger comprises a connecting shaft 232 and an installation frame 233, the installation frame 233 comprises installation side plates 2331 vertically positioned at two sides of a guide rail web and a support bottom plate 2332 horizontally connected with the two installation side plates 2331, the connecting shaft 232 is vertically arranged, the lower end of the connecting shaft 232 is fixed with the frame main body 21, the upper end of the connecting shaft is rotatably penetrated through the middle of the support bottom plate 2332 and is horizontally provided with a balance pressure plate 2321, the inner side of each installation side plate 2331 is provided with a first walking wheel 231 by virtue of a shaft body, and the first walking wheels 231 are in sliding connection and matching with the lower wing plate.
The damping mechanism is arranged on each running mechanism 23, the damping mechanism comprises two columnar elastic bodies 51, the elastic bodies 51 are vertically positioned between the support bottom plate 2332 and the balance pressure plate 2321 and are positioned at two symmetrical sides of the connecting shaft 232, the upper ends of the elastic bodies 51 are fixed with the balance pressure plate 2321, and the lower ends of the elastic bodies 51 are fixed with the support bottom plate 2332.
The device adopts the structure form of elastic suspension, and the elastic body 51 is arranged between the whole vehicle and each running mechanism, so that the whole vehicle can be elastically suspended on the guide rail, jolts caused by uneven tracks can be overcome in the running process of the whole vehicle, the running is stable, the impact on the tracks is reduced, and the running speed is favorably improved.
Due to the matching arrangement of the 4 groups of guide hangers and the elastic body 51, the whole vehicle can be fully positioned on the guide rail, the whole vehicle does not deflect, the gauge error (namely the distance difference between the inner rail 11 and the outer rail 12) can be compensated, the increase of the running resistance is avoided, and the running stagnation is reduced. The upper end of the elastic body 51 is fixed on the connecting shaft 232, so that the elastic body is fixed with the walking frame, the lower end of the elastic body 51 is fixed with the mounting frame 233, the mounting frame 233 is movably connected with the connecting shaft 232 and can be adjusted along with the change of the gauge, the elastic body 51 is rotated relative to the connecting shaft 232, a wheel body of the walking mechanism is always attached to a track, the elastic body 51 is deformed tangentially to store energy at the moment, then the elastic body 51 releases energy to reset, the mounting frame 233 can be driven to reset, and the walking mechanism is kept walking along the track all the time.
The electric mechanism in the device is used for leading electric energy into the first driving motor 32 and the second driving motor 41 on the tractor 30 so as to ensure the traction power of the tractor 30 and the unloading and resetting rotary power of the rotary hopper 40. The electric mechanism comprises a walking control box 51 fixed at the rear end of the walking frame and a fixed control box arranged in a workshop, the walking control box 51 is electrically connected with the fixed control box through a current collector 52, the current collector 52 comprises a current collecting brush 521 arranged on an installation frame 233 on one side of the inner rail 11 and a sliding groove 522 arranged on a web plate of the inner rail 11, and the current collecting brush 521 can be in sliding contact with the sliding groove 522 along with the movement of the walking frame.
Because the stability of automobile body operation is reliable, assist with new wiping line mounting means, make wiping line support be fixed in the rotatory upper portion of turning to the gallows, make the moving direction of collecting brush 521 and the contained angle of wiping line groove 522 be close to 0 all the time to improve wiping line's reliability and life.
The running gear 23 further comprises guide wheels 234, one guide wheel 234 being provided on each side of the first running wheel 231, said guide wheels 234 being mounted on the mounting side plate 2331 and being in sliding contact with the web of the guide rail. Due to the arrangement of the guide wheel 234, the vehicle body always runs along the tangential direction of the guide rail, the running reliability of the electric mechanism is further improved, and the contact between the current collecting brush 521 and the sliding groove 522 is stable.
As shown in fig. 6, the tractor 30 is located on the inner rail 11 of the guide rail, and includes a second running wheel 33 located on both sides of the web of the inner rail 11, and a driving wheel 34 located below the lower wing of the inner rail 11 and driven by the first driving motor 32 to rotate, where the driving wheel 34 is a rubber wheel, and the second running wheel 33 and the driving wheel 34 clamp the lower wing of the inner rail 11 therebetween by a pressing device. The first driving motor 32 drives the driving wheel 34 to rotate through a sprocket, and a sprocket disposed coaxially with the driving wheel 34 is not shown in the figure.
The tractor 30 comprises an upper frame 35 and a lower frame 36, the upper frame 35 and the lower frame 36 are rotatably connected through a first shaft body 37 arranged in a longitudinal horizontal mode, the driving wheel 34 is arranged on the lower frame 36, the second walking wheel 33 is arranged on the upper frame 35, and the pressing device can drive the lower frame 36 to drive the driving wheel 34 to rotate along the first shaft body 37 to extrude the lower wing plate of the inner rail 11.
The lower frame 36 is provided with a horizontal extrusion beam at one end opposite to the first shaft body 37, the upper frame 35 at the upper end of the extrusion beam is provided with a second shaft body 38, the pressing devices are positioned at two ends of the extrusion beam and comprise pressing shafts 391, disk springs 392 and locking nuts 393, the pressing shafts 391 vertically and movably penetrate through the extrusion beam, the upper ends of the pressing shafts 391 are rotatably connected with the second shaft body 38, the locking nuts 393 are in threaded connection with the lower ends of the pressing shafts 391, and the disk springs 392 are pressed between the locking nuts 393 and the extrusion beam.
The compression device is biased in a stack of belleville springs 392 to provide sufficient elastic expansion to function. By screwing the locking nut 393 upwards, the belleville spring 392 compresses the stored energy and presses the extrusion beam upwards, so that the lower frame 36 is driven to rotate upwards along the first shaft body 37, the driving wheel 34 is enabled to extrude the track, the driving force is ensured to be suitable for the requirement, and the phenomenon of slipping caused by insufficient pressing force is avoided, and parts are prevented from being damaged due to overlarge pressure. In this structure, action wheel 34 is the rubber tyer, has certain compression capacity, and the lower pterygoid lamina of rail 11 in the effectual centre gripping to adapt to orbital jolting, avoid the operation jamming.
When the rotary hopper 40 rotates anticlockwise or clockwise to pour materials, a discharging plate 41 is arranged on the walking frame beam facing one side, and the discharging plate 41 comprises a vertical plate and a material guide plate which is connected with the bottom of the vertical plate and inclines inwards. The discharging plate 41 can guide the slurry during discharging, so that the slurry can smoothly enter the distributing machine, and the rotating hopper 40 is prevented from tipping over and leaking when the slurry is too much. Further, the two transverse ends of the discharging plate 41 are provided with baffle plates which are turned inwards and form an obtuse angle with the discharging plate 41, and the baffle plates have the same function as the discharging plate 41.
And rotatory hopper 40 is the tank body structure of oval head, can obviously reduce the phenomenon of gathering materials to outwards be equipped with vertical leading edge in the breach portion of rotatory hopper 40, be favorable to the material of giving out to get into the cloth machine, avoid outdiffusion.
The first drive motor 32 and the second drive motor 41 both use a motor fundamental frequency of 87 Hz. The characteristic that the output torque of the motor 87Hz is not reduced is utilized, the small-specification motor is used for providing large driving force, and the speed of the vehicle is 67m/min at 87Hz by a frequency conversion technology, and is increased by 2 times compared with the speed of the vehicle in the conventional model.
The front end and the rear end of the walking frame are provided with anti-collision emergency stop protective devices 60, so that collision during acceleration and deceleration in the walking process and damage caused by collision can be reduced. The anti-collision emergency stop protection device 60 includes a guard rail hinged to the outside of the first driving motor 32 or the traveling control box 51, a return spring having one end fixed to the longitudinal beam of the frame body 21 and the other end fixed to the top of the guard rail, and a sensor connected to and linked with the guard rail and electrically connected to the traveling control box 51 for controlling the communication of the electrical mechanism.
The above is only a preferred embodiment of the invention, and any simple modifications, variations and equivalents of the invention may be made by anyone in light of the above teachings and fall within the scope of the invention.

Claims (10)

1. A walk-down concrete conveying apparatus comprising:
the guide rail is composed of an inner rail (11) and an outer rail (12) which are arranged at intervals and in parallel, wherein the inner rail (11) and the outer rail (12) respectively comprise an upper wing plate, a lower wing plate and a web plate which is vertically connected with the middle parts of the upper wing plate and the lower wing plate;
the walking frame comprises a frame main body (21) which is horizontally arranged and has a rectangular structure, support bodies (22) which are vertically fixed at the two transverse ends of the frame main body (21), and walking mechanisms (23) which are positioned at the four corners of the frame main body (21);
a tractor (30) connected with the front end of the walking frame by a coupling (31) and used for dragging the walking frame to walk along the guide rail;
the rotary hopper (40) is horizontally positioned between the two bracket bodies (22) of the walking frame, the two axial ends of the rotary hopper are rotatably connected with the bracket bodies (22), the top of the rotary hopper (40) is provided with a notch part, and the rotary hopper (40) is connected with a second driving motor (41) which is used for driving the rotary hopper to rotate along the axis and enabling the notch part to face downwards;
the method is characterized in that:
wherein,
the walking mechanism (23) comprises a guide hanging frame and first walking wheels (231), the guide hanging frame comprises a connecting shaft (232) and an installation frame (233), the installation frame (233) comprises installation side plates (2331) vertically positioned at two sides of a guide rail web plate and a support bottom plate (2332) horizontally connected with the two installation side plates (2331), the connecting shaft (232) is vertically arranged, the lower end of the connecting shaft is fixed with the frame main body (21), the upper end of the connecting shaft can rotatably penetrate through the middle part of the support bottom plate (2332) and is horizontally provided with a balance pressure plate (2321), the inner side of each installation side plate (2331) is provided with the first walking wheel (231) through a shaft body, and the first walking wheel (231) is in sliding fit with the lower wing plate;
further comprising:
the damping mechanism is arranged on each walking mechanism (23) and comprises two columnar elastic bodies (51), the elastic bodies (51) are vertically positioned between the supporting bottom plate (2332) and the balancing pressure plate (2321) and positioned on two symmetrical sides of the connecting shaft (232), the upper ends of the elastic bodies (51) are fixed with the balancing pressure plate (2321), and the lower ends of the elastic bodies (51) are fixed with the supporting bottom plate (2332); and
the electric mechanism is used for guiding electric energy into a first driving motor (32) and a second driving motor (41) on the tractor (30), and comprises a walking control box (51) fixed at the rear end of a walking frame and a fixed control box arranged in a workshop, wherein the walking control box (51) and the fixed control box are electrically connected by means of a current collector (52), the current collector (52) comprises a current collecting brush (521) arranged on an installation frame (233) on one side of an inner rail (11) and a sliding groove (522) arranged on a web plate of the inner rail (11), and the current collecting brush (521) can be in sliding contact with the sliding groove (522) along with the movement of the walking frame.
2. The underrun concrete conveying apparatus according to claim 1, wherein: the walking mechanism (23) further comprises guide wheels (234), two sides of each first walking wheel (231) are respectively provided with one guide wheel (234), and the guide wheels (234) are installed on the installation side plates (2331) and are in sliding contact with the web plates of the guide rails.
3. The underrun concrete conveying apparatus according to claim 1, wherein: the tractor (30) is located the inner rail (11) of guide rail, walks capable wheel (33) including the second that is located inner rail (11) web both sides to and be located inner rail (11) lower wing plate below, and by drive wheel (34) of first driving motor (32) drive rotation, the lower wing plate centre gripping of inner rail (11) is between the two with the help of a closing device in second walking wheel (33) and drive wheel (34).
4. The underrun concrete conveying apparatus according to claim 3, wherein: tractor (30) include frame (35) and undercarriage (36), frame (35) and undercarriage (36) are gone up first axis body (37) rotatable coupling that sets up with the help of a vertical level, action wheel (34) are located on undercarriage (36), second is walked to take turns (33) and is located on frame (35), closing device can drive undercarriage (36) and drive action wheel (34) and rotate along first axis body (37) and extrude interior rail (11) lower wing board.
5. The underrun concrete conveying apparatus according to claim 4, wherein: the horizontal extrusion beam is arranged at one end, opposite to the first shaft body (37), of the lower rack (36), the second shaft body (38) is arranged on the upper rack (35) at the upper end of the extrusion beam, the pressing devices are located at two ends of the extrusion beam and comprise pressing shafts (391), disk springs (392) and locking nuts (393), the pressing shafts (391) vertically and movably penetrate through the extrusion beam, the upper ends of the pressing shafts are rotatably connected with the second shaft body (38), the locking nuts (393) are in threaded connection with the lower ends of the pressing shafts (391), and the disk springs (392) are pressed between the locking nuts (393) and the extrusion beam.
6. The underrun concrete conveying apparatus according to claim 1, wherein: the rotary hopper (40) rotates anticlockwise or clockwise to pour materials, a discharging plate (41) is arranged on a walking frame cross beam facing one side, and the discharging plate (41) comprises a vertical plate and a material guide plate which is connected with the bottom of the vertical plate and inclines inwards.
7. The underrun concrete conveying apparatus according to claim 6, wherein: the transverse two ends of the discharging plate (41) are provided with baffle plates which are turned inwards and form an obtuse angle with the discharging plate (41).
8. The underrun concrete conveying apparatus according to claim 1, wherein: the rotary hopper (40) is of an elliptical seal head tank structure.
9. The underrun concrete conveying apparatus according to claim 1, wherein: the first driving motor (32) and the second driving motor (41) both adopt motor fundamental frequency of 87 Hz.
10. The underrun concrete conveying apparatus according to claim 1, wherein: and the front end and the rear end of the walking frame are respectively provided with an anti-collision emergency stop protection device (60).
CN201811056501.6A 2018-09-11 2018-09-11 Down-running concrete conveying device Active CN108979159B (en)

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CN108979159B CN108979159B (en) 2023-09-19

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CN111332749A (en) * 2019-12-26 2020-06-26 重庆中科建设(集团)有限公司 Concrete conveying system

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CN207595917U (en) * 2017-12-07 2018-07-10 成都久和传动机械有限责任公司 Torpedo pot concrete ferry bus
CN209066889U (en) * 2018-09-11 2019-07-05 河北新大地机电制造有限公司 A kind of lower traveling appts. for transferring ready-mixed concrete

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Publication number Priority date Publication date Assignee Title
CA2021652A1 (en) * 1989-07-25 1991-01-26 Hans-Georg Raschbichler Structure for supporting trackway of a track following transportation system, in particular, a magnetic suspension railroad
CN102720102A (en) * 2012-07-09 2012-10-10 安徽兴宇重工机械有限责任公司 Construction trolley
CN203452009U (en) * 2013-08-09 2014-02-26 天津城建集团有限公司 Self-walking device for mounting steel beam
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CN207595917U (en) * 2017-12-07 2018-07-10 成都久和传动机械有限责任公司 Torpedo pot concrete ferry bus
CN209066889U (en) * 2018-09-11 2019-07-05 河北新大地机电制造有限公司 A kind of lower traveling appts. for transferring ready-mixed concrete

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111332749A (en) * 2019-12-26 2020-06-26 重庆中科建设(集团)有限公司 Concrete conveying system
CN111332749B (en) * 2019-12-26 2021-12-10 重庆中科建筑科技(集团)有限公司 Concrete conveying system

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