CN113368929A - Light crushing arm platform truck with front and rear wheel chains at two sides driven independently - Google Patents

Light crushing arm platform truck with front and rear wheel chains at two sides driven independently Download PDF

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Publication number
CN113368929A
CN113368929A CN202110512957.4A CN202110512957A CN113368929A CN 113368929 A CN113368929 A CN 113368929A CN 202110512957 A CN202110512957 A CN 202110512957A CN 113368929 A CN113368929 A CN 113368929A
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CN
China
Prior art keywords
arm
chain
assembly
sides
wheel
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Pending
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CN202110512957.4A
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Chinese (zh)
Inventor
张明松
肖锦志
王恩恒
庄桥
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Priority to CN202110512957.4A priority Critical patent/CN113368929A/en
Publication of CN113368929A publication Critical patent/CN113368929A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/001—Steering non-deflectable wheels; Steering endless tracks or the like control systems
    • B62D11/005—Hydraulic control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/04—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of separate power sources

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The invention discloses a light crushing arm platform truck with front and rear wheel chains at two sides driven independently, which comprises a chassis, wherein walking component assemblies are arranged at two sides of the chassis, and a power component assembly matched with the walking component assemblies is arranged on the inner wall of the chassis; the upper surface of the chassis is connected with a crushing arm assembly and a control valve installation assembly; the chassis comprises two parallel side plates and a top plate connected with the tops of the side plates; the walking assembly comprises a driving wheel, a driven wheel and a chain transmission mechanism; the power assembly comprises a hydraulic motor arranged on the inner side surface of the side plate, the output end of the hydraulic motor is connected with a transmission shaft, and the other end of the transmission shaft is connected with the driving wheel through a tapered roller bearing. The device has solved prior art's engineering vehicle and is difficult to compromise volume, weight and stability, is difficult to effectively accomplish the problem of regional operations such as mine hole gallery, has the characteristics that can improve job site walking performance, alleviate rocking of equipment during operation, improve job stabilization nature, improve the efficiency of construction.

Description

Light crushing arm platform truck with front and rear wheel chains at two sides driven independently
Technical Field
The invention belongs to the technical field of engineering vehicles, and particularly relates to a light crushing arm platform vehicle with front and rear wheel chains on two sides driven independently.
Background
Various engineering vehicles are indispensable equipment in construction of mine holes, tunnels, gullies and the like, such as crushers, road rollers, road pavers, forklifts, crane machines and the like. The existing engineering vehicle chassis has poor universality, only one or two accessories can be assembled, the structure is heavy and complicated, the size of the whole machine is overlarge, various engineering vehicles occupy the site on a construction site, and each time one operation is finished, the engineering vehicle which vacates the space to allow the next process needs to be driven out. The construction site space and the width of the road surface are limited, some areas are less than three meters, and a plurality of engineering vehicles cannot drive in and can only be operated manually. The tunnels in the mine tunnels, tunnels and gullies mostly adopt gravel and silt with different sizes as main parts, the gravel on the pavement of the tunnels is accumulated and is not smooth and uniform, and the contact area between the rubber wheels and the pavement of the mine tunnels is small, so that the conventional small engineering vehicle cannot effectively and flexibly run in the tunnel, the equipment is easy to shake and has poor stability during working, and the large engineering vehicle cannot enter the mine tunnels; therefore, it is necessary to design a light crushing arm platform truck with independent driving of front and rear wheel chains at two sides to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a light crushing arm platform truck with front and rear wheel chains at two sides driven independently, which solves the problems that the engineering vehicle in the prior art is difficult to consider volume, weight and stability and effectively finish the regional operation such as mine holes, tunnels and the like, and has the characteristics of improving the traveling performance of a construction site, reducing the shaking of the equipment during working, improving the working stability and improving the construction efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a light crushing arm platform truck with front and rear wheel chains at two sides driven independently comprises a chassis, walking component assemblies are arranged at two sides of the chassis, and a power component assembly matched with the walking component assemblies is arranged on the inner wall of the chassis; the upper surface of the chassis is connected with a crushing arm assembly and a control valve installation assembly; the chassis comprises two parallel side plates and a top plate connected with the tops of the side plates, and the inner sides of the side plates are fixedly connected with bottom beams; the walking assembly comprises a driving wheel and a driven wheel, and the driving wheel is connected with the driven wheel through a chain transmission mechanism; the power assembly comprises a hydraulic motor arranged on the inner side surface of the side plate, the output end of the hydraulic motor is connected with a transmission shaft, and the other end of the transmission shaft is connected with the driving wheel through a tapered roller bearing.
Preferably, the chain transmission mechanism comprises a driving chain wheel arranged on the surface of the driving wheel and a driven chain wheel arranged on the surface of the driven wheel, and the driving chain wheel and the driven chain wheel are matched through a transmission chain; the surface of the side plate is also rotationally connected with a tension wheel which is in contact fit with the transmission chain and is used for supporting the transmission chain.
Preferably, the four wheels are all steel wheels, the diameters of the four wheels are the same, rubber is not arranged on the circumferential surface of the four wheels, a convex structure for enhancing friction force is arranged, and the wheel steel ring is provided with a central through hole and an installation through hole which are assembled with the power assembly; the side plates at two sides are respectively arranged at the inner side edges of two steel wheels under the engineering chassis.
Preferably, a hydraulic motor in the power assembly is arranged on the inner side of the side plate, the transmission shaft, the tapered roller bearings arranged back to back, and the positioning, locking and supporting piece are arranged on the outer side of the side plate and comprise a locking disc, a positioning sleeve on the inner wall of the locking disc is clamped with the end part of the transmission shaft, a synchronizing piece and a supporting beam; the transmission shaft is connected with the hydraulic motor through a coupler.
Preferably, the control valve mounting assembly is connected to a hydraulic motor in the power module assembly; the driving wheels on two sides of the chassis are provided with independent hydraulic motors.
Preferably, the breaker arm assembly comprises a large swing arm assembly, a medium pitch arm assembly, a small telescopic arm assembly, a mounting assembly and a connecting assembly.
Preferably, the mounting base assembly comprises a working platform and a mounting base plate which are connected to the upper surface of the top plate, an upper support and a lower support are connected to the surface of one side of the mounting base plate, a large arm hinge shaft is rotatably connected between the upper support and the lower support through a thrust ball bearing, and a large arm sleeve is sleeved on the outer surface of the large arm hinge shaft.
Preferably, the swing big arm assembly comprises a big arm bottom plate connected with the outer surface of the big arm sleeve, and the side surface of the big arm bottom plate is connected with a big arm body; a reinforcing rib is arranged at the joint of the large arm base plate and the large arm body; the surface of the mounting seat plate is hinged with a deflection oil cylinder, and the telescopic end of the deflection oil cylinder is hinged with the large arm body, so that the large arm body rotates around the large arm hinge shaft.
Preferably, the connecting assembly comprises a large arm connecting plate connected to the end of the large arm body and a middle arm connecting plate connected to one end of the middle arm body, and the large arm connecting plate and the middle arm connecting plate are hinged through a middle arm pin shaft.
Preferably, the pitching middle arm assembly comprises a first pitching cylinder support connected with the upper surface of the large arm body; the upper surface of the middle arm body is connected with a second pitching oil cylinder support; the first pitching oil cylinder support and the second pitching oil cylinder support are hinged with two ends of the pitching oil cylinder respectively.
Preferably, the telescopic small arm assembly comprises a small arm body, and one end of the small arm body is connected with an impactor; one end of the middle arm body is connected with a sleeve, and the other end of the small arm body is in sleeve fit with the sleeve; the middle arm body in the sleeve is connected with a telescopic oil cylinder, and the telescopic end of the telescopic oil cylinder is connected with the end part of the small arm body.
Preferably, the rotation plane of the large arm body is perpendicular to the rotation plane of the middle arm body; the deflecting oil cylinder, the pitching oil cylinder and the telescopic oil cylinder are all connected with the control valve installation assembly.
The invention has the beneficial effects that:
1. the overall structure is of modular design, the universality is strong, and the assembly is convenient. The engineering chassis and the crushing arm are of a plate frame structure, the engineering chassis is large in space, light in weight and stable in work and does not shake; the crushing arm realizes the three-degree-of-freedom working direction, and the construction space is higher;
2. the four wheels of the engineering chassis are all steel wheels, rubber is not arranged on the circumferential surface of the engineering chassis, and a convex structure for enhancing friction is arranged, so that the sufficient contact area between the wheels and the tunnel pavement is ensured, and the running stability of the engineering chassis is improved;
3. the power assembly and the walking assembly which are respectively and independently driven are adopted, and steel wheels on two sides of the engineering chassis are independently driven and controlled, so that the chassis can flexibly advance, retreat and turn.
Drawings
Fig. 1 is a front view of the general structural schematic of the present invention.
Fig. 2 is a left side view of the general structural schematic of the present invention.
Fig. 3 is a schematic view of a steel wheel of the present invention.
FIG. 4 is a schematic view of the power assembly of the present invention.
Fig. 5 is a top view of a crushing arm assembly of the invention.
Fig. 6 is a schematic view of the left side rocking motion of the crushing arm of the present invention.
Fig. 7 is a schematic diagram of the right side rocking motion of the crushing arm of the present invention.
Fig. 8 is a schematic view of the crushing arm pitching action of the present invention.
In the figure: the device comprises a driving wheel 1, a driven wheel 2, a chassis 4, a tension wheel 5, a transmission chain 6, a working platform 7, a locking disc 8, a positioning sleeve 9, a tapered roller bearing 10, a synchronizing part 11, a supporting beam 12, a transmission shaft 13, a coupling 14, a hydraulic motor 15, a driving chain wheel 16, a driven chain wheel 19, a side plate 21, a top plate 22, a crushing arm assembly 23, a control valve installation assembly 24, an installation seat plate 25, an upper support 26, a large arm hinge shaft locking plate 27, a large arm hinge shaft 28, a base hinge seat supporting plate 29, a large arm copper sleeve 30, a thrust ball bearing 31, a lower support 32, a large arm larger sleeve 33, a large arm bottom plate 34, a reinforcing rib 35, a large arm body 36, a first pitching cylinder support 37, a pitching cylinder 38, a large arm connecting plate 39, a middle arm connecting plate 40, a second pitching cylinder support 41, a telescopic cylinder 42, a small arm body 43, an impactor 44, a middle arm pin shaft 45 and a cylinder locking plate 46, a middle arm hinge sleeve 47, a deflection oil cylinder 48, a middle arm body 49 and a sleeve 50.
Detailed Description
Example 1:
as shown in fig. 1 to 8, a light crushing arm platform truck with front and rear wheel chains at two sides driven independently comprises a chassis 4, walking component assemblies are arranged at two sides of the chassis 4, and a power component assembly is arranged on the inner wall of the chassis 4 and matched with the walking component assemblies; the upper surface of the chassis 4 is connected with a crushing arm assembly 23 and a control valve installation assembly 24; the chassis 4 comprises two parallel side plates 21 and a top plate 22 connected with the tops of the side plates 21, and the inner sides of the side plates 21 are fixedly connected with bottom beams; the walking assembly comprises a driving wheel 1 and a driven wheel 2, wherein the driving wheel 1 is connected with the driven wheel 2 through a chain transmission mechanism; the power component assembly comprises a hydraulic motor 15 arranged on the inner side surface of the side plate 21, the output end of the hydraulic motor 15 is connected with a transmission shaft 13, and the other end of the transmission shaft 13 is connected with the driving wheel 1 through a tapered roller bearing 10.
Preferably, the chain transmission mechanism comprises a driving chain wheel 16 arranged on the surface of the driving wheel 1 and a driven chain wheel 19 arranged on the surface of the driven wheel 2, and the driving chain wheel 16 and the driven chain wheel 19 are matched through the transmission chain 6; the surface of the side plate 21 is also rotatably connected with a tension pulley 5 which is in contact fit with the transmission chain 6 and is used for supporting the transmission chain 6.
Preferably, the four wheels are all steel wheels, the diameters of the four wheels are the same, rubber is not arranged on the circumferential surface of the four wheels, a convex structure for enhancing friction force is arranged, and the wheel steel ring is provided with a central through hole and an installation through hole which are assembled with the power assembly; the side plates 21 at two sides are respectively arranged at the inner side edges of two steel wheels under the engineering chassis 4.
Preferably, in the power assembly, the hydraulic motor 15 is arranged inside the side plate 21, the transmission shaft 13, the tapered roller bearings 10 arranged back to back, and the positioning, locking and supporting piece are arranged outside the side plate 21, and the power assembly comprises a locking disc 8, a positioning sleeve 9 on the inner wall of the locking disc 8 is clamped with the end of the transmission shaft 13, a synchronizing piece 11 and a supporting beam 12; the drive shaft 13 is connected to a hydraulic motor 15 via a coupling 14.
Furthermore, in the power component assembly, the electromagnetic hydraulic motors 15 are respectively arranged on the inner sides of two side plates 21 of the engineering chassis 4 and connected with the transmission shafts 13 and the couplers 14, the transmission shafts 13 are arranged in the supporting beam 12 and communicated with the steel driving wheel 1 through the locking discs 8 and are arranged on the outer side of a steel ring of the steel driving wheel 1 to be locked, and the driving chain wheel 16 is assembled on the supporting beam 12 and fixed by the tapered roller bearings 10 and the synchronizing pieces 11 which are arranged back to back.
Preferably, the control valve mounting assembly 24 is connected to the hydraulic motor 15 in the power module assembly; the driving wheels 1 on both sides of the chassis 4 are provided with independent hydraulic motors 15.
Preferably, the breaker arm assembly 23 includes a swing boom assembly, a pitch boom assembly, a telescoping boom assembly, a mount assembly and a connection assembly.
Preferably, the mounting seat assembly comprises a working platform 7 and a mounting seat plate 25 which are connected to the upper surface of the top plate 22, the surface of one side of the mounting seat plate 25 is connected with an upper support 26 and a lower support 32, a large arm hinge shaft 28 is rotatably connected between the upper support 26 and the lower support 32 through a thrust ball bearing 31, and a large arm larger sleeve 33 is sleeved on the outer surface of the large arm hinge shaft 28; the large arm hinge shaft 28 is axially positioned by a large arm copper sleeve 30, a large arm hinge shaft locking plate 27 and a thrust ball bearing 31.
Preferably, the swing big arm assembly comprises a big arm base plate 34 connected with the outer surface of the big arm sleeve 33, and a big arm body 36 is connected with the side surface of the big arm base plate 34; a reinforcing rib 35 is arranged at the joint of the large arm bottom plate 34 and the large arm body 36; the surface of the mounting seat plate 25 is hinged with a deflection oil cylinder 48, and the telescopic end of the deflection oil cylinder 48 is hinged with the large arm body 36, so that the large arm body 36 rotates around the large arm hinge shaft 28.
Preferably, the connecting assembly comprises a large arm connecting plate 39 connected to the end of the large arm body 36 and a middle arm connecting plate 40 connected to one end of the middle arm body 49, wherein the large arm connecting plate 39 and the middle arm connecting plate 40 are hinged through a middle arm pin shaft 45; the deflection oil cylinder 48 is connected with the installation seat plate 25 through a base hinged support plate 29; the two plates are hinged through a middle arm pin shaft 45 assembled in a coaxial mode, oil cylinder pin locking plates 46 are symmetrically arranged at two ends of the middle arm pin shaft 45, and a middle arm hinge sleeve 47 is sleeved outside the middle arm pin shaft 45.
Preferably, the pitch mid-arm assembly includes a first pitch ram 38 support 37 attached to the upper surface of the large arm body 36; the upper surface of the middle arm body 49 is connected with a second pitching cylinder 38 support; the first pitch cylinder 38 support 37 and the second pitch cylinder 38 support are hinged to two ends of the pitch cylinder 38, respectively.
Preferably, the telescopic small arm assembly comprises a small arm body 43, and one end of the small arm body 43 is connected with an impactor 44; one end of the middle arm body 49 is connected with a sleeve 50, and the other end of the small arm body 43 is in sleeve fit with the sleeve 50; the middle arm body 49 in the sleeve 50 is connected with a telescopic oil cylinder 42, and the telescopic end of the telescopic oil cylinder 42 is connected with the end part of the small arm body 43.
Preferably, the plane of rotation of the large arm body 36 is perpendicular to the plane of rotation of the medium arm body 49; the yaw ram 48, pitch ram 38 and telescoping ram 42 are all connected to the control valve mounting assembly 24.
Example 2:
the working principle of the invention is as follows: the two inner electromagnetic hydraulic motors 15 of the engineering chassis 4 are respectively and independently driven through a hydraulic control valve installation assembly 24 to respectively drive the transmission shaft 13, the steel driving wheel 1 and the locking disc 8 on the steel driving wheel to rotate, simultaneously drive the driving chain wheel 16 to rotate along with the steel driving wheel, and drive the driven chain wheel 19 to rotate through the tension wheel 5 and the chain, and finally drive the steel driven wheel 2 to rotate, according to the action required by the engineering chassis 4 in the mine foundation, the steel driving wheel 1 and the steel driven wheel 2 on the two sides of the engineering chassis 4 are respectively adjusted and controlled to synchronously turn through the hydraulic control valve installation assembly 24, the rotation speed is adjusted so as to enable the engineering chassis 4 to advance or retreat, the hydraulic motors 15 on the two sides are controlled to generate a rotation speed difference through the hydraulic control valve installation assembly 24, and therefore the rotation speed difference of the walking components on the two sides is controlled, and the steering control of the engineering chassis 4 is realized. The steel driving wheel 1 and the steel driven wheel 2 are both of flange structures, the flange structures are arranged along the circumferential surface of the steel ring, and when the steel wheels are driven to rotate, the full-driving wheels generate large contact areas with broken stones and silt at the mine tunnel foundation, so that the engineering chassis 4 is driven to stably move at a certain speed; the hydraulic control valve installation assembly 24 is used for controlling the oil pressure of the deflection oil cylinder 48 so as to adjust the deflection angle of the large arm, meanwhile, the hydraulic control valve installation assembly 24 is used for adjusting the pitching angle of the middle arm and the small arm through the pitching oil cylinder 38 so as to finally control the small arm to align the dangerous rocks needing to be broken in the mine tunnel, then, the hydraulic control valve installation assembly 24 is used for controlling the telescopic oil cylinder 42 so that the impacter 44 on the small arm is aligned to the dangerous rock gap, and the impacter 44 is started to break the dangerous rocks.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (10)

1. The utility model provides a light-duty broken arm platform truck of both sides front and back wheel chain independent drive which characterized in that: the walking mechanism comprises a chassis (4), walking component assemblies are arranged on two sides of the chassis (4), and a power component assembly matched with the walking component assemblies is arranged on the inner wall of the chassis (4); the upper surface of the chassis (4) is connected with a crushing arm assembly (23) and a control valve installation assembly (24); the chassis (4) comprises two parallel side plates (21) and a top plate (22) connected with the tops of the side plates (21), and the inner sides of the side plates (21) are fixedly connected with bottom beams; the walking assembly comprises a driving wheel (1) and a driven wheel (2), wherein the driving wheel (1) is connected with the driven wheel (2) through a chain transmission mechanism; the power component assembly comprises a hydraulic motor (15) arranged on the inner side surface of the side plate (21), the output end of the hydraulic motor (15) is connected with a transmission shaft (13), and the other end of the transmission shaft (13) is connected with the driving wheel (1) through a tapered roller bearing (10).
2. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 1, wherein: the chain transmission mechanism comprises a driving chain wheel (16) arranged on the surface of the driving wheel (1) and a driven chain wheel (19) arranged on the surface of the driven wheel (2), and the driving chain wheel (16) is matched with the driven chain wheel (19) through a transmission chain (6); the surface of the side plate (21) is also rotationally connected with a tension wheel (5) which is in contact fit with the transmission chain (6) for supporting the transmission chain (6).
3. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 1, wherein: the control valve mounting assembly (24) is connected with a hydraulic motor (15) in the power component assembly; the driving wheels (1) at the two sides of the chassis (4) are provided with independent hydraulic motors (15).
4. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 1, wherein: the crushing arm assembly (23) comprises a large swing arm assembly, a middle pitching arm assembly, a small telescopic arm assembly, a mounting seat assembly and a connecting assembly.
5. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 4, wherein: the mounting seat assembly comprises a working platform (7) and a mounting seat plate (25) which are connected to the upper surface of a top plate (22), an upper support (26) and a lower support (32) are connected to the surface of one side of the mounting seat plate (25), a large arm hinge shaft (28) is rotatably connected between the upper support (26) and the lower support (32) through a thrust ball bearing (31), and a large arm sleeve (33) is sleeved on the outer surface of the large arm hinge shaft (28).
6. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 4, wherein: the swing big arm assembly comprises a big arm base plate (34) connected with the outer surface of a big arm larger sleeve (33), and a big arm body (36) is connected with the side surface of the big arm base plate (34); a reinforcing rib (35) is arranged at the joint of the large arm base plate (34) and the large arm body (36); the surface of the mounting seat plate (25) is hinged with a deflection oil cylinder (48), and the telescopic end of the deflection oil cylinder (48) is hinged with the large arm body (36), so that the large arm body (36) rotates around the large arm hinge shaft (28).
7. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 4, wherein: the connecting assembly comprises a large arm connecting plate (39) connected to the end of the large arm body (36) and a middle arm connecting plate (40) connected to one end of the middle arm body (49), and the large arm connecting plate (39) and the middle arm connecting plate (40) are hinged through a middle arm pin shaft (45).
8. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 4, wherein: the pitching middle arm assembly comprises a first pitching cylinder support (37) connected with the upper surface of a large arm body (36); the upper surface of the middle arm body (49) is connected with a second pitching cylinder support (41); the first pitching cylinder support (37) and the second pitching cylinder support (41) are respectively hinged with two ends of the pitching cylinder (38).
9. The lightweight crushing arm platform truck with the independent driving of the front wheel chain and the rear wheel chain on two sides as claimed in claim 4, wherein: the telescopic small arm assembly comprises a small arm body (43), and one end of the small arm body (43) is connected with an impactor (44); one end of the middle arm body (49) is connected with a sleeve (50), and the other end of the small arm body (43) is in sleeve fit with the sleeve (50); the middle arm body (49) in the sleeve (50) is connected with a telescopic oil cylinder (42), and the telescopic end of the telescopic oil cylinder (42) is connected with the end part of the small arm body (43).
10. The lightweight crushing arm platform truck with the independent driving of the front and rear wheel chains at two sides as claimed in claim 6, wherein: the rotation plane of the large arm body (36) is vertical to the rotation plane of the middle arm body (49); the deflecting oil cylinder (48), the pitching oil cylinder (38) and the telescopic oil cylinder (42) are all connected with the control valve installation assembly (24).
CN202110512957.4A 2021-05-11 2021-05-11 Light crushing arm platform truck with front and rear wheel chains at two sides driven independently Pending CN113368929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110512957.4A CN113368929A (en) 2021-05-11 2021-05-11 Light crushing arm platform truck with front and rear wheel chains at two sides driven independently

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Application Number Priority Date Filing Date Title
CN202110512957.4A CN113368929A (en) 2021-05-11 2021-05-11 Light crushing arm platform truck with front and rear wheel chains at two sides driven independently

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CN112441122A (en) * 2020-11-05 2021-03-05 三峡大学 Independently driven light engineering platform truck
CN112455218A (en) * 2020-11-05 2021-03-09 三峡大学 Light engineering platform truck driven in parallel from left to right
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5127567A (en) * 1990-10-04 1992-07-07 Labounty Manufacturing, Inc. Rail processor
JPH08284435A (en) * 1995-04-14 1996-10-29 Hiroshi Oikawa Metal article moving and treating device for industrial machinery or the like
JPH10219724A (en) * 1997-01-31 1998-08-18 Furukawa Co Ltd Attachment for working of construction vehicle
CN107448213A (en) * 2017-08-17 2017-12-08 四川汇智众创科技有限公司 Self-propelled engineer machinery hand
CN109664277A (en) * 2019-01-27 2019-04-23 浙江大学 A kind of full direct acting Driven by Hydraulic Cylinder mechanical arm
CN109989437A (en) * 2019-04-15 2019-07-09 江西鑫通机械制造有限公司 A kind of backhoe loader of band sled anchor function
CN112441122A (en) * 2020-11-05 2021-03-05 三峡大学 Independently driven light engineering platform truck
CN112455218A (en) * 2020-11-05 2021-03-09 三峡大学 Light engineering platform truck driven in parallel from left to right
CN112576272A (en) * 2020-12-13 2021-03-30 襄阳永力通机械有限公司 Crawler remote control type breaking hammer vehicle

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Application publication date: 20210910