CN116101940B - Mining explosion-proof rubber wheel type unit bracket forklift truck - Google Patents
Mining explosion-proof rubber wheel type unit bracket forklift truck Download PDFInfo
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- CN116101940B CN116101940B CN202310302356.XA CN202310302356A CN116101940B CN 116101940 B CN116101940 B CN 116101940B CN 202310302356 A CN202310302356 A CN 202310302356A CN 116101940 B CN116101940 B CN 116101940B
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- frame
- fork arm
- portal
- fixed
- front frame
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- 238000005065 mining Methods 0.000 title claims abstract description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07559—Stabilizing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07568—Steering arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a mining explosion-proof rubber wheel type unit bracket forklift truck. The front frame and the rear frame are connected in a hinged manner; rubber wheels are respectively arranged on two sides of a front axle of the front frame and two sides of a rear axle of the rear frame; the rear frame is provided with a power component, the rear part of the front frame is provided with a driving operation system, and the front part of the front frame is provided with a carrying work component and a telescopic supporting leg mechanism. The front part of the carrying working assembly is provided with a buffer fork arm assembly, the fork arm assembly comprises a fork arm body and an auxiliary support body, and a clamping block is fixed at the front end of the fork arm body; a limiting block is slidably arranged in the through groove of the auxiliary support body, a movable rope wheel and a fixed rope wheel are arranged at the lower end of the limiting block, and the limiting block is matched with a buffer fork arm of the retractor to collide with a top beam of the support, and has a limiting function. The invention adopts the rubber wheel type travelling mechanism, has flexible steering and high travelling speed, and can adapt to complex underground road conditions; the buffer fork arm assembly can reduce collision between the fork arm and the unit bracket, prevent the unit bracket from sliding on the fork arm and improve operation safety.
Description
Technical Field
The invention relates to the technical field of mining engineering machinery transportation equipment, in particular to a mining explosion-proof rubber wheel type unit bracket forklift truck.
Background
Along with the promotion of modern construction of domestic mines, technical equipment of coal mine enterprises in China is continuously upgraded and gradually develops to mechanization, intellectualization and modernization, the unit bracket is widely applied to reinforced support of a working face crossheading roadway, the traditional support process adopting single support is changed, and the unit bracket gradually replaces the support form of single support plus pi-shaped steel beams by virtue of excellent support effect. Underground carrying unit supports commonly employ flatbed, monorail cranes, or crawler-type transportation equipment.
For example, a mining fork-mounted unit bracket carrier (CN 112390195A) disclosed in China patent comprises a frame platform, wherein a portal frame mechanism, a cab, a power box and a counterweight device are sequentially arranged on the frame platform from front to back, and the mining fork-mounted unit bracket carrier also comprises a supporting leg mechanism arranged at the front end of the frame platform and a crawler-type travelling driving mechanism arranged below the frame platform; the fork assembly mechanism is arranged on the portal mechanism, a luffing cylinder is connected between the portal mechanism and the frame platform, and the luffing cylinder can control the portal mechanism to tilt forwards or backwards; the outer sides of the supporting leg mechanism and the portal frame mechanism are connected with supporting leg oil cylinders, and the supporting leg mechanism at least has two working states of supporting and folding.
The defects of the prior art are as follows: because the bracket has large weight, the construction procedure is complicated during carrying operation, and the existing tracked vehicle has low walking speed, so that the carrying operation efficiency is low; the problem of collision is generated in the process of the fork arms fork the unit support, and the unit support is not firmly fixed and easily slides during transferring operation.
Disclosure of Invention
In order to improve the carrying efficiency of the unit bracket, reduce the labor intensity of workers and reduce the safety risk, the invention provides the mining explosion-proof rubber wheel type unit bracket forklift truck. The forklift truck can efficiently transport the support and flexibly adjust the mounting position of the support, so that the mechanized operation of the support of the transporting unit is realized.
The invention adopts the following technical scheme: the mining explosion-proof rubber wheel type unit bracket forklift truck comprises a front frame and a rear frame, wherein the front frame and the rear frame are connected in a hinged manner; a front axle is arranged under the front frame, a rear axle is arranged under the rear frame, and rubber wheels are respectively arranged on two sides of the front axle and the rear axle; the rear frame is provided with a power assembly, the rear part of the front frame is provided with a driving operation system, and the front part of the front frame is provided with a carrying work assembly.
It is further: the upper side of the front frame is hinged with the upper side of the rear frame through an upper hinge pin shaft, the lower side of the front frame is hinged with the lower side of the rear frame through a lower hinge pin shaft, and the upper hinge pin shaft and the lower hinge pin shaft are coaxial; a pair of steering cylinders are hinged between the front frame and the rear frame.
The power assembly comprises an explosion-proof diesel engine or an explosion-proof motor, the explosion-proof diesel engine or the explosion-proof motor is connected with a hydraulic pump, and the hydraulic pump provides power for the carrier.
The carrying working assembly comprises a portal frame base fixed at the front part of the front frame, a large portal frame is hinged on the portal frame base, and a pair of inclined oil cylinders for controlling the inclined angle of the large portal frame are arranged between the large portal frame and a back vertical plate on the front frame; a small portal is vertically and slidably arranged on the large portal, and a pair of lifting cylinders for controlling the height of the small portal are hinged between the small portal and the large portal; the small portal frame is connected with a transverse moving frame; a supporting beam is transversely and slidably arranged on the transverse moving frame, and a bidirectional transverse moving oil cylinder for controlling the transverse position of the supporting beam is connected between the supporting beam and the transverse moving frame; one end of the support beam, which is far away from the transverse moving frame, is connected with a fork arm frame through a rotary oil cylinder; and a fork arm assembly is fixed on the fork arm support.
The door frame base is fixedly provided with a pair of outer side plates, a pair of inner side plates fixed on the door frame base are arranged on the inner side of the outer side plates, a pair of base mounting plates fixed on the door frame base are arranged on the inner side of the inner side plates, and the door frame base, the outer side plates, the inner side plates and the base mounting plates are simultaneously fixed with a back vertical plate on the front frame; two sides of the bottom of the large portal are respectively hinged with the base mounting plate and the inner side plate through portal bottom shafts; the cylinder barrel end of the inclined oil cylinder is hinged with the outer side plate and the inner side plate, and the piston end of the inclined oil cylinder is hinged with an upper support on the outer side of the upper part of the large portal frame.
A landing leg mechanism is arranged below the portal frame base; the landing leg mechanism comprises a landing leg square box fixedly connected with the portal base, and two parallel telescopic square tubes are slidably arranged in the landing leg square box; adjacent surfaces of the two telescopic square tubes are mutually attached, a telescopic oil cylinder is connected between the telescopic square tubes and the supporting leg square box, and the telescopic directions of the two telescopic square tubes are opposite; the telescopic square tube is characterized in that one end of the telescopic square tube is fixedly provided with a supporting leg protecting tube, a supporting leg oil cylinder is arranged in the supporting leg protecting tube, and a supporting leg seat is arranged at the piston rod end of the lower end of the supporting leg oil cylinder.
The fork arm assembly comprises a fork arm body and an auxiliary support body fixed on one side of the fork arm body, through grooves which are uniformly distributed and vertically penetrate through the auxiliary support body are formed in the auxiliary support body, and limiting blocks are slidably arranged in the through grooves; the lower end of the limiting block is provided with a movable rope wheel; the lower side of the auxiliary support body is fixed with a box body with an open upper end, two fixed rope pulleys fixed in the box body are arranged below the movable rope pulley, and the movable rope pulley is arranged at a position between the two fixed rope pulleys; the winding device is fixed at one end of the box body, and a pull rope in the winding device sequentially bypasses the fixed rope pulley and the movable rope pulley and is then fixed at the other end of the box body.
The fork arm body is an L-shaped fork arm or a T-shaped fork arm, and a clamping block is fixed on the upper surface of the front end of the fork arm body.
The two lateral surfaces of the lower part of the limiting block are provided with limiting blocking tables, and the lower end of the limiting block is provided with a notch; two symmetrical Z-shaped brackets are arranged in the notch, the upper ends of the Z-shaped brackets are positioned in the notch and are attached to the inner wall of the notch, and the lower ends of the Z-shaped brackets are fixed with the lower end face of the limiting block through screws; the upper ends of the two Z-shaped brackets are propped against each other, and the movable rope wheel is rotatably arranged between the two Z-shaped brackets.
The box body is internally provided with a plurality of pairs of T-shaped brackets, and the lower ends of the T-shaped brackets are fixed with the bottom plate of the box body through screws; the T-shaped brackets are attached to the inner wall of the box body, the lower ends of the two T-shaped brackets are propped against each other, and the rope fixing wheel is rotatably arranged between the two T-shaped brackets.
The invention has the beneficial effects that: the front and rear articulated frame layout and the rubber wheel type travelling mechanism are adopted, so that the steering is flexible, the travelling speed is high, the underground complex road conditions can be adapted, and the construction efficiency is improved; the parallel staggered supporting leg mechanism can enlarge the span of the bearing surface of the whole equipment, and greatly improve the supporting strength and stability of the vehicle during fork assembly; the fork arm assembly is provided with a buffering limiting block structure, the collision between the fork arm and the unit bracket is reduced by matching with the retractor, the limiting block can also play a limiting role, the clamping block at the front end of the fork arm body is matched, the top beam of the unit bracket is subjected to double limiting, the unit bracket is prevented from sliding on the fork arm, and the operation safety is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic view of a second perspective structure of the present invention.
FIG. 3 is a schematic view of a handling assembly according to the present invention.
Fig. 4 is a schematic structural view of the leg mechanism of the present invention.
Fig. 5 is a schematic structural view of a T-shaped yoke according to the present invention.
Fig. 6 is a front view of the yoke assembly of the present invention.
Fig. 7 is a view in the direction A-A of fig. 6.
Reference numerals illustrate: 1. a fork arm support;
2. a yoke assembly; 201. a yoke body; 20. an auxiliary support body; 21. a limiting block; 211. a limiting baffle table; 212. a notch; 22. a moving sheave; 23. rope fixing wheels; 24. a pull rope; 25. a retractor; 26. a "Z" shaped stent; 27. a T-shaped bracket; 28. a case; 29. a clamping block;
3. a rotary oil cylinder; 4. a support beam;
5. a transverse moving frame; 51. a bidirectional traversing oil cylinder;
6. a small portal; 61. lifting the oil cylinder;
7. tilting the oil cylinder; 71. an outer panel; 72. an inner side plate; 73. a base mounting plate; 74. a back vertical plate;
8. a large portal; 81. a portal bottom shaft; 82. an upper support;
9. a leg support mechanism; 91. a support leg protecting pipe; 92. a landing leg oil cylinder; 93. a square box of supporting legs; 94. a telescopic oil cylinder; 95. a telescopic square tube; 96. a support leg seat;
10. a portal base; 11. a front frame; 12. a rear frame; 13. a power assembly; 14. a front axle; 15. a rear axle;
161. an upper hinge pin; 162. a lower hinge pin;
17. a rubber wheel; 18. a driving operation system; 19. and a steering oil cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 and 2, an explosion-proof rubber wheel type unit bracket forklift truck for mines is shown, wherein the upper side of a front frame 11 is hinged with the upper side of a rear frame 12 through an upper hinge pin 161, the lower side of the front frame 11 is hinged with the lower side of the rear frame 12 through a lower hinge pin 162, and the upper hinge pin 161 and the lower hinge pin 162 are coaxial. A front axle 14 is arranged under the front frame 11, a rear axle 15 is arranged under the rear frame 12, and rubber wheels 17 are respectively arranged on two sides of the front axle 14 and the rear axle 15. A driving operation system 18 is installed at the rear part of the front frame 11, and a carrying work assembly is installed at the front part of the front frame 11. A pair of steering cylinders 19 are hinged between the front frame 11 and the rear frame 12 to control turning of the vehicle. The rear frame 12 is provided with a power assembly 13, the power assembly 13 comprises an explosion-proof diesel engine or an explosion-proof motor, and the explosion-proof diesel engine or the explosion-proof motor is connected with a hydraulic pump to form a power system for providing power for walking and operation of the carrier.
The carrying work assembly comprises a portal frame base 10 fixed at the front part of a front frame 11, a large portal frame 8 is hinged on the portal frame base 10, and a pair of inclined oil cylinders 7 for controlling the inclined angle of the large portal frame 8 are arranged between the large portal frame 8 and a back vertical plate 74 on the front frame 11. The large portal 8 is vertically and slidably provided with a small portal 6, and a pair of lifting oil cylinders 61 for controlling the height of the small portal 6 are hinged between the small portal 6 and the large portal 8. The small portal frame 6 is connected with a transverse moving frame 5, the transverse moving frame 5 is transversely and slidably provided with a supporting beam 4, and a bidirectional transverse moving oil cylinder 51 for controlling the transverse position of the supporting beam 4 is connected between the supporting beam 4 and the transverse moving frame 5. One end of the support beam 4, which is far away from the transverse moving frame 5, is connected with a fork arm frame 1 through a rotary oil cylinder 3, and a fork arm assembly 2 is fixed on the fork arm frame 1.
Referring again to fig. 3 and 4, a pair of outer plates 71 are fixed to the mast base 10, a pair of inner plates 72 fixed to the mast base 10 are provided inside the outer plates 71, a pair of base mounting plates 73 fixed to the mast base 10 are provided inside the inner plates 72, and the mast base 10, the outer plates 71, the inner plates 72, and the base mounting plates 73 are simultaneously fixed to a back upright plate 74 on the front frame 11. The two sides of the bottom of the large portal 8 are respectively hinged with the base mounting plate 73 and the inner side plate 72 through a portal bottom shaft 81. The cylinder end of the tilting cylinder 7 is hinged with the outer side plate 71 and the inner side plate 72, and the piston end of the tilting cylinder 7 is hinged with an upper support 82 on the outer side of the upper part of the large portal frame 8. The large portal 8 can be controlled to tilt back and forth by the tilting cylinder 7 by taking the portal bottom shaft 81 as a fulcrum.
A supporting leg mechanism 9 is arranged below the portal base 10. The landing leg mechanism 9 comprises a landing leg square box 93 fixedly connected with the portal base 10, and two parallel telescopic square tubes 95 are slidably arranged in the landing leg square box 93. Adjacent surfaces of the two telescopic square tubes 95 are mutually attached, a telescopic oil cylinder 94 is connected between the telescopic square tubes 95 and the supporting leg square boxes 93, and the telescopic directions of the two telescopic square tubes 95 are opposite. A supporting leg protecting pipe 91 is fixed at one end of the telescopic square pipe 95, a supporting leg oil cylinder 92 is arranged in the supporting leg protecting pipe 91, and a supporting leg seat 96 is arranged at the piston rod end of the lower end of the supporting leg oil cylinder 92.
Referring to fig. 1 and 5, the fork arm assembly 2 includes a pair of fork arm bodies 201 and an auxiliary support body 20 fixed on the fork arm frame 1, the distance between the two fork arm bodies 201 is adjustable, the fork arm bodies 201 are L-shaped fork arms or T-shaped fork arms, a clamping block 29 is welded and fixed on the upper surface of the front end of the fork arm body 201, the clamping block 29 performs basic limiting on the top beam of the unit bracket, and the transportation safety of the unit bracket is ensured.
In the embodiment, the mining explosion-proof rubber wheel type unit bracket forklift truck adopts rubber wheels to walk, the walking speed is high, and the steering is flexible; the carrying work assembly adopts a multi-direction adjustable double-portal and double-fork arm design, and the movable transport unit bracket is flexible, convenient, simple and quick; the front support leg mechanism improves the support strength and stability of the vehicle during fork assembly operation, and the support legs shrink to the width range of the vehicle during running, so that the running trafficability is improved; the mechanical operation of the unit bracket is realized, the operation links are reduced, the labor intensity of workers is reduced, and the safety and the high efficiency are realized.
Example two
As shown in fig. 6 and 7, in the first embodiment, the yoke assembly 2 includes a yoke body 201 and an auxiliary support body 20 fixed on one side of the yoke body 201, through slots which vertically penetrate through the auxiliary support body 20 and are uniformly distributed are formed in the auxiliary support body 20, and a limiting block 21 is slidably mounted in the through slots. The two side surfaces of the lower part of the limiting block 21 are provided with limiting blocking tables 211, and the limiting blocking tables 211 are used for preventing the limiting block 21 from sliding upwards out of the through groove of the auxiliary supporting body 20. The moving sheave 22 is connected to the auxiliary support body 20 by a pair of "Z" brackets 26, specifically: the notch 212 has been seted up to stopper 21 lower extreme, and "Z" type support 26 upper end is arranged in notch 212 and is laminated with notch 212 inner wall, and "Z" type support 26 lower extreme passes through the fix with screw with stopper 21 lower terminal surface, and the upper ends of two "Z" type supports 26 offset, and spacing each other, the gyration is installed and is moved rope sheave 22 between two "Z" type supports 26.
The box 28 with an open upper end is fixed on the lower side of the auxiliary support body 20 through screws, and two rope fixing wheels 23 are arranged below each limiting block 21 in a matched mode, specifically: the lower end of the T-shaped bracket 27 is fixed with the bottom plate of the box 28 through screws; the T-shaped brackets 27 are attached to the inner wall of the box 28, the lower ends of the T-shaped brackets 27 are abutted against each other, the T-shaped brackets 27 are mutually limited, and the rope fixing wheel 23 is rotatably arranged between the T-shaped brackets 27. One end of the box 28 is fixed with a retractor 25, and a pull rope 24 in the retractor 25 sequentially winds around the fixed rope pulley 23 and the movable rope pulley 22 and is fixed at the other end of the box 28 through bolts.
When the fork arm body 201 is used for forking up a bracket unit and performing basic limiting, the auxiliary support body 20 is used for auxiliary limiting, and when the unit bracket is used for downwards pressing the limiting block 21, the limiting block 21 plays a role of buffering under the action of the retractor 25 and the pull rope 24, so that the collision between the fork arm body 201, the auxiliary support body 20 and the unit bracket is reduced; after the limiting blocks 21 retract into the auxiliary supporting body 20, the limiting blocks 21 at other positions on two sides play an auxiliary limiting role on the unit bracket, so that the unit bracket is prevented from sliding on the fork arm assembly 2, and meanwhile, the basic limiting of the clamping blocks 29 at the front end of the fork arm body 201 is matched, so that the operation safety is further improved.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a mining explosion-proof rubber wheel formula unit support fork truck which characterized in that: comprises a front frame (11) and a rear frame (12), wherein the front frame (11) and the rear frame (12) are connected in a hinged manner; a front axle (14) is arranged under the front frame (11), a rear axle (15) is arranged under the rear frame (12), and rubber wheels (17) are respectively arranged at two sides of the front axle (14) and the rear axle (15); the rear frame (12) is provided with a power assembly (13), the rear part of the front frame (11) is provided with a driving operation system (18), and the front part of the front frame (11) is provided with a carrying work assembly;
the carrying work assembly comprises a fork arm assembly (2);
the fork arm assembly (2) comprises a fork arm body (201) and an auxiliary support body (20) fixed on one side of the fork arm body (201), through grooves which are uniformly distributed and vertically penetrate through the auxiliary support body (20) are formed in the auxiliary support body (20), and limiting blocks (21) are slidably arranged in the through grooves; the lower end of the limiting block (21) is provided with a movable rope wheel (22); the lower side of the auxiliary support body (20) is fixed with a box body (28) with an open upper end, two rope fixing wheels (23) fixed in the box body (28) are arranged below the movable rope wheels (22), and the movable rope wheels (22) are arranged at positions between the two rope fixing wheels (23); one end of the box body (28) is fixed with a retractor (25), and a pull rope (24) in the retractor (25) sequentially bypasses the fixed rope wheel (23) and the movable rope wheel (22) and is fixed at the other end of the box body (28);
two side surfaces of the lower part of the limiting block (21) are provided with limiting baffle tables (211), and the lower end of the limiting block (21) is provided with a notch (212); two symmetrical Z-shaped brackets (26) are arranged in the notch (212), the upper ends of the Z-shaped brackets (26) are positioned in the notch (212) and are attached to the inner wall of the notch (212), and the lower ends of the Z-shaped brackets (26) are fixed with the lower end face of the limiting block (21) through screws; the upper ends of the two Z-shaped brackets (26) are propped against each other, and the movable rope wheel (22) is rotatably arranged between the two Z-shaped brackets (26);
a plurality of pairs of T-shaped brackets (27) are arranged in the box body (28), and the lower ends of the T-shaped brackets (27) are fixed with the bottom plate of the box body (28) through screws; the T-shaped brackets (27) are attached to the inner wall of the box body (28), the lower ends of the two T-shaped brackets (27) are abutted, and the rope fixing wheel (23) is rotatably arranged between the two T-shaped brackets (27).
2. The mining explosion-proof rubber wheel type unit bracket forklift truck according to claim 1, wherein: the upper side of the front frame (11) is hinged with the upper side of the rear frame (12) through an upper hinge pin (161), the lower side of the front frame (11) is hinged with the lower side of the rear frame (12) through a lower hinge pin (162), and the upper hinge pin (161) and the lower hinge pin (162) are coaxial; a pair of steering cylinders (19) are hinged between the front frame (11) and the rear frame (12).
3. The mining explosion-proof rubber wheel type unit bracket forklift truck according to claim 1, wherein: the power assembly (13) comprises an explosion-proof diesel engine or an explosion-proof motor, the explosion-proof diesel engine or the explosion-proof motor is connected with a hydraulic pump, and the hydraulic pump provides power for the carrier.
4. The mining explosion-proof rubber wheel type unit bracket forklift truck according to claim 1, wherein: the carrying work assembly comprises a portal frame base (10) fixed at the front part of a front frame (11), a large portal frame (8) is hinged on the portal frame base (10), and a pair of inclined oil cylinders (7) for controlling the inclined angle of the large portal frame (8) are arranged between the large portal frame (8) and a back vertical plate (74) on the front frame (11); a small portal (6) is vertically and slidably arranged on the large portal (8), and a pair of lifting cylinders (61) for controlling the height of the small portal (6) are hinged between the small portal (6) and the large portal (8); the small portal (6) is connected with a transverse moving frame (5); a supporting beam (4) is transversely and slidably arranged on the transverse moving frame (5), and a bidirectional transverse moving oil cylinder (51) for controlling the transverse position of the supporting beam (4) is connected between the supporting beam (4) and the transverse moving frame (5); one end of the supporting beam (4) far away from the transverse moving frame (5) is connected with a fork arm frame (1) through a rotary oil cylinder (3); and a fork arm assembly (2) is fixed on the fork arm frame (1).
5. The mining explosion-proof rubber wheel type unit bracket forklift truck according to claim 4, wherein: a pair of outer side plates (71) are fixed on the portal base (10), a pair of inner side plates (72) fixed on the portal base (10) are arranged on the inner side of the outer side plates (71), a pair of base mounting plates (73) fixed on the portal base (10) are arranged on the inner side of the inner side plates (72), and the portal base (10), the outer side plates (71), the inner side plates (72) and the base mounting plates (73) are simultaneously fixed with a back vertical plate (74) on the front frame (11); two sides of the bottom of the large portal frame (8) are hinged with the base mounting plate (73) and the inner side plate (72) through portal bottom shafts (81) respectively; the cylinder barrel end of the tilting cylinder (7) is hinged with the outer side plate (71) and the inner side plate (72), and the piston end of the tilting cylinder (7) is hinged with an upper support (82) on the outer side of the upper part of the large portal frame (8).
6. The mining explosion-proof rubber wheel type unit bracket forklift truck according to claim 4, wherein: a supporting leg mechanism (9) is arranged below the portal frame base (10); the landing leg mechanism (9) comprises a landing leg square box (93) fixedly connected with the portal frame base (10), and two parallel telescopic square tubes (95) are slidably arranged in the landing leg square box (93); adjacent surfaces of the two telescopic square tubes (95) are mutually attached, a telescopic oil cylinder (94) is connected between the telescopic square tubes (95) and the supporting leg square boxes (93), and the telescopic directions of the two telescopic square tubes (95) are opposite; one end of the telescopic square tube (95) is fixedly provided with a supporting leg protecting tube (91), a supporting leg oil cylinder (92) is arranged in the supporting leg protecting tube (91), and a supporting leg seat (96) is arranged at the piston rod end of the lower end of the supporting leg oil cylinder (92).
7. The mining explosion-proof rubber wheel type unit bracket forklift truck according to claim 1, wherein: the fork arm body (201) is an L-shaped fork arm or a T-shaped fork arm, and a clamping block (29) is fixed on the upper surface of the front end of the fork arm body (201).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310302356.XA CN116101940B (en) | 2023-03-27 | 2023-03-27 | Mining explosion-proof rubber wheel type unit bracket forklift truck |
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| CN202310302356.XA CN116101940B (en) | 2023-03-27 | 2023-03-27 | Mining explosion-proof rubber wheel type unit bracket forklift truck |
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| CN116101940B true CN116101940B (en) | 2023-11-24 |
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| CN107934843A (en) * | 2017-10-26 | 2018-04-20 | 浙江厚达智能科技股份有限公司 | Stacking bassinet structure |
| CN108100949A (en) * | 2017-12-22 | 2018-06-01 | 合肥仨力机械制造有限公司 | A kind of safety and stability fork of forklift truck |
| CN109132958A (en) * | 2018-11-15 | 2019-01-04 | 合肥思博特软件开发有限公司 | A kind of automation safety forklift |
| KR102125632B1 (en) * | 2018-12-26 | 2020-06-22 | 박동규 | Functional tilting fork arm assembly for forklift truck |
| CN211470672U (en) * | 2019-12-31 | 2020-09-11 | 山东凯大工程机械有限公司 | Articulated fork truck |
| CN112390195A (en) * | 2020-11-12 | 2021-02-23 | 江苏天煤机电科技有限公司 | Mining fork dress formula unit support carrier |
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2023
- 2023-03-27 CN CN202310302356.XA patent/CN116101940B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934843A (en) * | 2017-10-26 | 2018-04-20 | 浙江厚达智能科技股份有限公司 | Stacking bassinet structure |
| CN108100949A (en) * | 2017-12-22 | 2018-06-01 | 合肥仨力机械制造有限公司 | A kind of safety and stability fork of forklift truck |
| CN109132958A (en) * | 2018-11-15 | 2019-01-04 | 合肥思博特软件开发有限公司 | A kind of automation safety forklift |
| KR102125632B1 (en) * | 2018-12-26 | 2020-06-22 | 박동규 | Functional tilting fork arm assembly for forklift truck |
| CN211470672U (en) * | 2019-12-31 | 2020-09-11 | 山东凯大工程机械有限公司 | Articulated fork truck |
| CN112390195A (en) * | 2020-11-12 | 2021-02-23 | 江苏天煤机电科技有限公司 | Mining fork dress formula unit support carrier |
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| CN116101940A (en) | 2023-05-12 |
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