CN210736118U

CN210736118U - Weighing structure of weighing forklift

Info

Publication number: CN210736118U
Application number: CN201921692096.7U
Authority: CN
Inventors: 刘元伟; 连国庆; 於建东; 赵子恺; 刘纪岸; 张永
Original assignee: Zhejiang Lipu Logistics Technology Co Ltd
Current assignee: Zhejiang Lipu Logistics Technology Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-12
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a fork truck's of weighing structure, its technical scheme main points are including fork truck chain and pressure sensor and be used for bearing pressure sensor's bearing structure, and pressure sensor can detect the effort of fork truck chain effect on bearing structure, fork truck chain length direction's one end is provided with and is used for pressing the part of pressing on pressure sensor, be provided with between pressure sensor and the part of pressing and be used for pressing the spacing structure of part on pressure sensor, the fork truck chain can keep pressing the position with pressure sensor's support through limit structure in operation in-process pressing the part. The weighing structure can effectively improve the precision of the data detected by the pressure sensor.

Description

Weighing structure of weighing forklift

Technical Field

The utility model relates to a mechanical equipment technical field, more specifically say, it relates to a fork truck's of weighing structure.

Background

With the development of mechanization, industry accounts for a considerable share in the total value of national economy, a forklift is used as a main tool for transporting goods in a factory, the forklift is a various wheel type transporting vehicle for loading and unloading finished pallet goods, stacking and short-distance transportation and heavy object transporting operation, is widely applied to various national economy departments such as stations, ports, airports, factories, warehouses and the like, is a high-efficiency tool for mechanized loading and unloading, stacking and short-distance transportation, and at present, the forklift is only applied to a transporting process alone and does not have a weighing function, and a certain part of goods need to be transported to a weighing position by the forklift to be weighed by a weighbridge, and then the goods are transported to a destination after the quality is read, so that the workload of workers is increased, and the working efficiency is reduced.

At present, Chinese patent with publication number CN204151028U discloses a high-precision and safe weighing forklift, which comprises a lifting chain for connecting an outer gantry and a fork frame, wherein a pressure sensor with a through hole is arranged at the joint of the lifting chain and the outer gantry, and the tail end of the lifting chain sequentially penetrates through the outer gantry and the through hole of the pressure sensor and then is fixed below the pressure sensor through a connecting piece. Although the weighing forklift is provided with the pressure sensor, the weighing function can be realized, interference factors such as friction and interference can be formed between the lifting chain and the inner wall of the pressure sensor in the operation process, and the interference factors can possibly bring certain interference and errors to the weighing of the forklift and even cause the condition of incapability of measuring.

Therefore, many manufacturers and acquaintances develop and develop the products, but no ideal products are available.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a fork truck's structure of weighing should weigh the precision that the structure can effectively improve pressure sensor test data.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fork truck's weighing structure of weighing, including fork truck chain and pressure sensor and be used for bearing pressure sensor's bearing structure, pressure sensor can detect the effort of fork truck chain effect on bearing structure, fork truck chain length direction's one end is provided with and is used for pressing the part of supporting on pressure sensor, be provided with between pressure sensor and the part of supporting and be used for spacing limit structure on pressure sensor with the part of supporting, the fork truck chain can keep through limit structure with pressure sensor's the position of supporting in the operation process.

The utility model discloses further set up to: the limiting structure comprises a limiting inclined plane arranged on the pressure sensor and a pressing inclined plane arranged on the pressing part and capable of being attached to the limiting inclined plane, the limiting inclined plane and the pressing inclined plane are both arranged in a ring-shaped structure, and the pressing part is arranged coaxially with the limiting inclined plane and attached to the pressure sensor when pressed against the pressure sensor.

The utility model discloses further set up to: the supporting part comprises a chain connecting rod, the pressure sensor is provided with a through hole for the chain connecting rod to penetrate through, the outer diameter of the chain connecting rod is smaller than the inner diameter of the through hole, the limiting inclined plane is arranged at one end, far away from a forklift chain, of the through hole, and the supporting inclined plane is arranged on the chain connecting rod.

The utility model discloses further set up to: the limiting inclined plane is coaxial with the through hole, and the abutting inclined plane is coaxial with the chain connecting rod.

The utility model discloses further set up to: the pressing component further comprises a pressing block used for being arranged on the pressing inclined plane, the pressing inclined plane is arranged on one side, facing the pressure sensor, of the pressing block, and the pressing block is detachably and fixedly connected with the chain connecting rod.

The utility model discloses further set up to: the pressing block is in threaded connection with the chain connecting rod.

The utility model discloses further set up to: the chain connecting rod is hinged to one end of the forklift chain in the length direction, and the chain connecting rod is arranged in parallel to the hinge axis of the forklift chain and the chain pin axis of the forklift chain.

The utility model discloses further set up to: the limiting structure comprises a limiting inclined plane and a plurality of abutting inclined planes, the limiting inclined planes and the abutting inclined planes are arranged on the abutting part and can be attached to the limiting inclined planes, the limiting inclined planes and the abutting inclined planes are arranged in a planar structure, the limiting inclined planes are arranged in a plurality of forms, the planes where the limiting inclined planes are located surround each other, the abutting inclined planes are arranged in a plurality of forms, each abutting inclined plane surrounds each plane where the abutting inclined plane is located, and each abutting inclined plane and each limiting inclined plane are attached to each other when the abutting part abuts against the pressure sensor.

The utility model discloses further set up to: the pressure component comprises a chain connecting plate and a chain connecting piece, the chain connecting plate is located on one side, away from the forklift chain, of the pressure sensor, the chain connecting piece is connected between the chain connecting plate and the forklift chain, the limiting inclined plane is arranged on one side, away from the forklift chain, of the pressure sensor, and the pressure inclined plane is arranged on one side, towards the pressure sensor, of the chain connecting plate.

The utility model discloses further set up to: the limiting inclined plane and the abutting inclined plane are arranged in a V-shaped structure.

To sum up, the utility model discloses following beneficial effect has: the pressure sensor can be arranged on a forklift hanging chain plate of the weighing forklift, and the pressing part at one end of the forklift chain acts on a detection surface on the pressure sensor, so that the transportation and weighing of goods can be completed simultaneously. And limit structure's setting makes the part of pressing can remain throughout with pressure sensor's butt and the position of pressing in fork truck chain operation in-process, effectively avoids pressing the part and produces the interference factor that influences pressure sensor detection data precision on pressure sensor's detection face to pressure sensor detection data's precision has effectively been improved.

Drawings

FIG. 1 is a cross-sectional view of a weighing structure;

FIG. 2 is a cross-sectional view of a weighing structure (another embodiment of a pressing ramp and a limiting ramp);

fig. 3 is a schematic view of the weighing structure (another embodiment of the pressing member).

Reference numerals: 1. a forklift chain; 11. a pressing member; 111. a chain connecting rod; 112. a pressing block; 113. pressing the inclined plane; 114. a chain connecting plate; 115. a chain connecting piece; 2. a pressure sensor; 21. a through hole; 22. a limiting inclined plane; 3. a load bearing structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, a weighing structure of a weighing forklift includes a forklift chain 1, a pressure sensor 2 and a bearing structure 3 for bearing the pressure sensor 2, the pressure sensor 2 can detect an acting force of the forklift chain 1 acting on the bearing structure 3, a pressing part 11 for pressing against the pressure sensor 2 is arranged at one end of the forklift chain 1 in the length direction, a limiting structure for limiting the pressing part 11 on the pressure sensor 2 is arranged between the pressure sensor 2 and the pressing part 11, and the pressing part 11 of the forklift chain 1 can keep a pressing position with the pressure sensor 2 through the limiting structure in an operation process.

Wherein pressure sensor 2 is known technology, adopts common design, and bearing structure 3 can be for weighing fork truck's fork truck hangs the link joint, and pressure sensor 2 mountable is hung on the link joint to the fork truck, and the detection face of pressing part 11 effect on pressure sensor 2 of fork truck chain 1 one end to can accomplish the transport and the weighing of goods simultaneously. And limit structure's setting makes to support and presses part 11 can remain throughout with pressure sensor 2's butt and support the pressure position at 1 operation in-process of fork truck chain, effectively avoids supporting and presses part 11 to produce the interference factor that influences pressure sensor 2 detection data precision on pressure sensor 2's the detection face to pressure sensor 2 detection data's precision has effectively been improved.

The limiting structure comprises a limiting inclined surface 22 arranged on the pressure sensor 2 and a pressing inclined surface 113 arranged on the pressing part 11 and capable of being attached to the limiting inclined surface 22, the limiting inclined surface 22 and the pressing inclined surface 113 are both arranged in a ring-shaped structure, and the pressing part 11 is arranged to be attached to the limiting inclined surface 22 coaxially with the pressing inclined surface 113 when pressed on the pressure sensor 2. When the abutting inclined surface 113 and the limiting inclined surface 22 are attached, the circumferential movement of the abutting part 11 on the pressure sensor 2 can be limited, so that the limiting effect is achieved, and the influence on the accuracy of the data detection of the pressure sensor 2 caused by the moving friction or even the interference generated by the abutting part 11 on the detection surface of the pressure sensor 2 is effectively avoided. The limiting inclined plane 22 and the abutting inclined plane 113 can be arranged at the end part of the groove opening or the boss and are arranged in a chamfer structure, and the structure is ingenious in design, simple and easy to implement and beneficial to reducing the manufacturing cost.

The pressing component 11 comprises a chain connecting rod 111, the pressure sensor 2 is provided with a through hole 21 for the chain connecting rod 111 to penetrate through, the outer diameter of the chain connecting rod 111 is smaller than the inner diameter of the through hole 21, the limiting inclined plane 22 is arranged at one end, far away from the forklift chain 1, of the through hole 21, and the pressing inclined plane 113 is arranged on the chain connecting rod 111. Chain connecting rod 111 sets up in 1 length direction one end of fork truck chain, make after passing through-hole 21 with chain connecting rod 111 and support and press inclined plane 113 and spacing inclined plane 22 and correspond the setting, can make through driving chain connecting rod 111 and support and press inclined plane 113 and spacing inclined plane 22 and closely laminate when fork truck chain 1 is at the operation in-process, and annular supports and presses inclined plane 113 and annular spacing inclined plane 22 laminating in-process and can play the restriction with chain connecting rod 111 in through-hole 21, avoid chain connecting rod 111 at the through-hole 21 internal rotation, slide, and produce the interference with through-hole 21 inner wall, rub, thereby be favorable to improving the precision that pressure sensor 2 detected data.

In addition, in practical application, the annular limiting inclined surface 22 and the through hole 21 can be arranged eccentrically, and/or the annular abutting inclined surface 113 and the chain connecting rod 111 are arranged eccentrically, so that the chain connecting rod 111 is deviated to one side in the through hole 21, however, the annular limiting inclined surface 22 and the through hole 21 are preferably arranged coaxially in the application, and the annular abutting inclined surface 113 and the chain connecting rod 111 are arranged coaxially in the application, and the design can improve the use stability of the limiting structure by increasing the contact area between the abutting inclined surface 113 and the limiting inclined surface 22, and can realize the automatic centering of the chain connecting rod 111 in the through hole 21 in the process of attaching the abutting inclined surface 113 and the limiting inclined surface 22.

The pressing component 11 further comprises a pressing block 112 for setting a pressing inclined plane 113, the pressing inclined plane 113 is arranged on one side of the pressing block 112 facing the pressure sensor 2, and the pressing block 112 is detachably and fixedly connected with the chain connecting rod 111. The pressing block 112 and the chain connecting rod 111 are arranged separately, so that the pressing component 11 and the pressure sensor 2 can be conveniently disassembled and assembled, and the pressing inclined surface 113 and the limiting inclined surface 22 can be conveniently abutted.

And should dismantle fixed connection accessible threaded connection structure and realize, consequently preferred suppress piece 112 and chain connecting rod 111 threaded connection, wherein can be provided with the external screw thread on the chain connecting rod 111, it can with external screw thread complex internal thread hole to be provided with on the suppress piece 112, this internal thread hole and the cyclic annular set up with pressing 113 that supports, this connected mode makes suppress piece 112 and chain connecting rod 111 can realize quick assembly disassembly, can improve firm in connection degree again simultaneously, be favorable to supporting the use stability of pressing part 11 in the operation in-process.

The chain connecting rod 111 is hinged to one end of the forklift chain 1 in the length direction, and the chain connecting rod 111 is arranged in parallel to the hinge axis of the forklift chain 1 and the chain pin axis of the forklift chain 1. The interval that the part 11 is pressed apart from the sprocket can change along with the lift of goods to the 1 operation in-process of fork truck chain, consequently be located and press the fork truck chain 1 between part 11 and the sprocket when being in the tilt state, fork truck chain 1 can be through the nimble rotation of articulated department with chain connecting rod 111, and can make fork truck chain 1 pull the effort of chain connecting rod 111 under limit structure's cooperation can remain vertical upwards all the time, thereby can effectively avoid chain connecting rod 111 to produce the interference with through-hole 21 inner wall in through-hole 21, the friction, be favorable to further improving the precision that pressure sensor 2 detected the data.

The second embodiment of the limiting structure, the limiting structure includes a limiting inclined surface 22 disposed on the pressure sensor 2, and a pressing inclined surface 113 disposed on the pressing component 11 and capable of being attached to the limiting inclined surface 22, the limiting inclined surface 22 and the pressing inclined surface 113 are both disposed in a planar structure, the limiting inclined surface 22 is disposed in a plurality of numbers, and each limiting inclined surface 22 surrounds the plane where the limiting inclined surface is disposed, the pressing inclined surface 113 is disposed in a plurality of numbers, and each pressing inclined surface 113 surrounds the plane where the limiting inclined surface is disposed, and each pressing inclined surface 113 and each limiting inclined surface 22 are all attached to each other when the pressing component 11 presses the pressure sensor 2. The plane where the limit inclined plane 22 and the abutting inclined plane 113 are located is of a planar structure, and it can be shown that the limit inclined plane 22 and the abutting inclined plane 113 are both arranged on one side of a projection in a long state or on one side of a boss to form a chamfer structure, and each abutting inclined plane 113 and each limit inclined plane 22 are at least three, so that when the abutting inclined plane 113 and the limit inclined plane 22 are attached, a limiting effect can be achieved on one plane through at least three directions, and the situation that the accuracy of data detection of the pressure sensor 2 is affected due to the fact that the abutting part 11 generates moving friction or even interferes on the detection surface of the pressure sensor 2 is effectively avoided. It should be noted that each of the limiting inclined planes 22 may be connected end to end when being enclosed, or may be arranged at intervals, and each of the abutting inclined planes 113 may be connected end to end when being enclosed, or may be arranged at intervals, and both may realize the limiting function.

The pressing component 11 comprises a chain connecting plate 114 located on one side, far away from the forklift chain 1, of the pressure sensor 2 and a chain connecting piece 115 connected between the chain connecting plate 114 and the forklift chain 1, the limiting inclined plane 22 is arranged on one side, far away from the forklift chain 1, of the pressure sensor 2, and the pressing inclined plane 113 is arranged on one side, facing the pressure sensor 2, of the chain connecting plate 114. Referring to fig. 3, the chain connecting member 115 may be provided in a plurality, one end of the chain connecting member may be fixed around the outer contour of the chain connecting plate 114, and the other end of the chain connecting member may be fixed around the outer contour of the forklift chain 1, so that the forklift chain 1 can sequentially pass through the chain connecting member 115 and the chain connecting plate 114 to act on the pressure sensor 2 during the action process.

Limiting inclined surface 22 and abutting inclined surface 113 are both arranged in a V-shaped structure, as shown in fig. 2, the contact area between abutting inclined surface 113 and limiting inclined surface 22 can be further increased, so that the stability of the limiting structure in the operation process can be further improved, and the accuracy of detecting data by pressure sensor 2 can be improved.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a weighing forklift's weighing structure, including fork truck chain (1) and pressure sensor (2) and be used for bearing the weight of bearing structure (3) of pressure sensor (2), pressure sensor (2) can detect the effort of fork truck chain (1) effect on bearing structure (3), characterized by: one end of the forklift chain (1) in the length direction is provided with a pressing component (11) used for pressing against the pressure sensor (2), a limiting structure used for limiting the pressing component (11) on the pressure sensor (2) is arranged between the pressure sensor (2) and the pressing component (11), and the pressing component (11) can keep the pressing position with the pressure sensor (2) through the limiting structure in the operation process of the forklift chain (1).

2. The weighing structure of the weighing forklift as recited in claim 1, wherein: limiting structure is including setting up limiting inclined plane (22) on pressure sensor (2) and setting up and pressing inclined plane (113) to pressing that can laminate with limiting inclined plane (22) on pressing part (11), limiting inclined plane (22) all form the loop configuration with pressing inclined plane (113) and set up, press inclined plane (113) and coaxial just laminating setting of limiting inclined plane (22) when pressing part (11) to pressing on pressure sensor (2).

3. The weighing structure of the weighing forklift as recited in claim 2, wherein: support and press part (11) including chain connecting rod (111), pressure sensor (2) are provided with through-hole (21) that are used for supplying chain connecting rod (111) to run through, the external diameter of chain connecting rod (111) size is less than the internal diameter of through-hole (21), fork truck chain (1) one end is kept away from in through-hole (21) spacing inclined plane (22) setting, support and press inclined plane (113) to set up on chain connecting rod (111).

4. The weighing structure of the weighing forklift as recited in claim 3, wherein: the limiting inclined plane (22) and the through hole (21) are coaxially arranged, and the abutting inclined plane (113) and the chain connecting rod (111) are coaxially arranged.

5. The weighing structure of a weighing forklift truck as claimed in claim 3 or 4, wherein: the pressing component (11) further comprises a pressing block (112) used for being arranged on the pressing inclined plane (113), the pressing inclined plane (113) is arranged on one side, facing the pressure sensor (2), of the pressing block (112), and the pressing block (112) is detachably and fixedly connected with the chain connecting rod (111).

6. The weighing structure of the weighing forklift as recited in claim 5, wherein: the pressing block (112) is in threaded connection with the chain connecting rod (111).

7. The weighing structure of the weighing forklift as recited in claim 3, wherein: the chain connecting rod (111) is hinged to one end of the forklift chain (1) in the length direction, and the chain connecting rod (111) is arranged in parallel to the hinge axis of the forklift chain (1) and the chain pin axis of the forklift chain (1).

8. The weighing structure of the weighing forklift as recited in claim 1, wherein: the limiting structure comprises a limiting inclined plane (22) arranged on the pressure sensor (2) and a pressing inclined plane (113) arranged on the pressing component (11) and capable of being attached to the limiting inclined plane (22), the limiting inclined plane (22) and the pressing inclined plane (113) are arranged in a planar structure, the limiting inclined plane (22) is provided with a plurality of limiting inclined planes (22) which are arranged in a surrounding mode, the pressing inclined plane (113) is provided with a plurality of pressing inclined planes, the pressing inclined plane (113) is arranged in a surrounding mode in the plane in which the pressing inclined plane (113) is arranged, and the pressing component (11) is attached to the limiting inclined plane (113) and the limiting inclined plane (22) when pressing on the pressure sensor (2).

9. The weighing structure of a weighing forklift truck as claimed in claim 2 or 8, wherein: support and press part (11) including being located pressure sensor (2) keep away from chain connecting plate (114) of fork truck chain (1) one side and connecting in chain connecting plate (114) and chain connecting piece (115) between fork truck chain (1), spacing inclined plane (22) set up the one side of keeping away from fork truck chain (1) on pressure sensor (2), support and press inclined plane (113) to set up on chain connecting plate (114) one side towards pressure sensor (2).

10. The weighing structure of a weighing forklift truck as claimed in claim 2 or 8, wherein: the limiting inclined plane (22) and the pressing inclined plane (113) are arranged in a V-shaped structure.