CN212567624U

CN212567624U - Unattended weighbridge weighing system

Info

Publication number: CN212567624U
Application number: CN202021577467.XU
Authority: CN
Inventors: 程晓东
Original assignee: Nanjing Haoran Electric Appliance Co ltd
Current assignee: Nanjing Haoran Electric Appliance Co ltd
Priority date: 2020-08-02
Filing date: 2020-08-02
Publication date: 2021-02-19
Anticipated expiration: 2030-08-02

Abstract

The utility model discloses an unmanned on duty weighbridge weighing system, the pound body that the fixed plate is connected with the footing around the bottom, pound internal portion central point rotates through bearing and pivot and installs the worm wheel, the top of worm wheel is rotated through the pivot and is connected with the connecting rod of two parallels, the free end of connecting rod is rotated through the pivot and is connected with the expansion board that runs through pound side wall, driving motor is installed to pound internal table wall one side, driving motor's output shaft transmission is connected with the worm of being connected with the worm wheel meshing transmission. The utility model discloses in, the output shaft drive worm through driving motor rotates, according to the meshing transmission principle of latch, drives two connecting rods and outwards expands to outside will expanding the board and releasing the pound body, realize increasing the size purpose of the pound body, cooperate the different body size of body size to adjust the weighbridge size of matching, avoid the weighbridge of renewal, save the cost.

Description

Unattended weighbridge weighing system

Technical Field

The utility model relates to a weighing system technical field especially relates to an unmanned on duty weighbridge weighing system.

Background

The weighbridge is also called as a truck scale, is a large weighbridge arranged on the ground, is generally used for weighing the loaded weight of a truck, is a main weighing device for measuring bulk goods in factories, mines, merchants and the like, and has the advantages that along with the gradual maturity of high-precision weighing technology, more and more weighbridge brands are rapidly developed, the types of the weighbridge are also more and more complete, the weighbridge can be divided into a non-automatic weighbridge and an automatic weighbridge according to the automation degree of the weighbridge, and along with the continuous improvement of the enterprise management level, the unattended automatic weighbridge is becoming the development direction of the future weighbridge.

However, in recent years, the size of the automobile is greatly changed, so that the automobile body size is larger than the wagon balance size in the actual production and operation process, and for the situation, the original wagon balance cannot meet the actual weighing requirement, and a new wagon balance needs to be replaced, so that the cost is increased, and waste is easily caused, and therefore, an unattended wagon balance weighing system capable of meeting the requirements of automobile scales with different body sizes is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, an unattended weighbridge weighing system is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an unmanned on duty weighbridge weighing system, includes that the bottom is fixed plate all around is connected with the pound body of footing, the internal central part of pound rotates through bearing and pivot and installs the worm wheel, the top of worm wheel is rotated through the pivot and is connected with the connecting rod of two parallels, the free end of connecting rod is rotated through the pivot and is connected with the expansion board that runs through pound side wall, driving motor is installed to internal table wall one side of pound, driving motor's output shaft transmission is connected with the worm of being connected with worm wheel meshing transmission.

As a further description of the above technical solution:

two screws which are symmetrically arranged are mounted on the inner surface wall of the bottom of the pound body through support blocks, thread sections with different thread turning directions are arranged at two ends of each screw, a thread sleeve penetrating through the side wall of the pound body is connected to the outer side of each screw in a screwing mode through threads, and a support plate is fixedly connected to the free end of each thread sleeve.

As a further description of the above technical solution:

the polished rod sections of the two screws are in transmission connection with the rotating rollers inside the polished rod sections through belts.

As a further description of the above technical solution:

and gears which are meshed with each other and in transmission connection are sleeved on the outer sides of the polished rod section of one of the screws and the worm.

As a further description of the above technical solution:

the cross section of the penetrating connection part of the pound body and the screw sleeve is rectangular.

As a further description of the above technical solution:

the top of the supporting plate is provided with a roller which is in rolling contact with the bottom of the expansion plate, and the bottom of the supporting plate is provided with a roller which is in rolling contact with the ground.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the output shaft drive worm through driving motor rotates, according to the meshing transmission principle of latch, drives two connecting rods and outwards expands to outside will expanding the board and releasing the pound body, realize increasing the size purpose of the pound body, cooperate the different body size of body size to adjust the weighbridge size of matching, avoid the weighbridge of renewal, save the cost.

2. The utility model discloses in, under the transmission effect through gear, belt and its inside commentaries on classics roller for the screw rod worm rotates in step, according to the screw thread transmission principle, makes the swivel nut outwards remove, and then promotes the backup pad and extend the board through synchronous outwards removing, plays the purpose that supports the extension board, prevents to extend the unsettled disconnected or bending problem that appears pressing of board, improves the life who extends the board.

Drawings

Fig. 1 is a schematic diagram illustrating an internal structure of an unattended weighbridge weighing system according to an embodiment of the present invention;

fig. 2 shows a schematic top view at a-a of an unmanned weighbridge weighing system provided in accordance with an embodiment of the present invention;

fig. 3 illustrates a schematic top view at B-B of an unmanned weighbridge weighing system provided in accordance with an embodiment of the present invention;

fig. 4 shows a connection schematic diagram of a pound body and a screw sleeve penetrating part of an unattended weighbridge weighing system provided by the embodiment of the invention.

Illustration of the drawings:

1. a pound body; 2. an expansion board; 3. a connecting rod; 4. a worm gear; 5. a worm; 6. a drive motor; 7. a support plate; 8. a roller; 9. a threaded sleeve; 10. a screw; 11. a belt; 12. a gear; 13. and (7) a supporting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an unattended weighbridge weighing system comprises a weighbridge body 1, wherein bottom surrounding fixing plates are connected with feet, a worm wheel 4 is rotatably arranged at the center of the inside of the weighbridge body 1 through a bearing and a rotating shaft, the top of the worm wheel 4 is rotatably connected with two parallel connecting rods 3 through the rotating shaft, free ends of the connecting rods 3 are rotatably connected with an expansion plate 2 penetrating through the side wall of the weighbridge body 1 through the rotating shaft, a driving motor 6 is arranged on one side of the inner surface wall of the weighbridge body 1, the source of a power supply of the driving motor 6 is consistent with that of the weighbridge weighing system, an output shaft of the driving motor 6 is in transmission connection with a worm 5 in meshing transmission with the worm wheel 4, the worm 5 is driven to rotate through an output shaft of the driving motor 6, the worm wheel 4 is driven to rotate according to the meshing transmission principle of clamping teeth, then the two connecting rods, avoid changing new weighbridge, save the cost, wherein, under the auto-lock action of worm wheel 4 and worm 5, fixed pound body 1 increase size, perhaps two connecting rods 3 shrink inwards, and the expansion board 2 is inwards pulled, with taking in into pound body 1 of expansion board 2.

Specifically, as shown in fig. 1-3, gears 12 in mutual meshing transmission connection are sleeved on the polished rod section of one of the screws 10 and the outer side of the worm 5, when the worm 5 rotates, the screw 10 is driven to rotate through the meshing transmission between the gears 12, the polished rod sections of the two screws 10 are in transmission connection with rotating rollers inside the two screws through belts 11, the two screws 10 synchronously rotate under the transmission action of the belts 11 and the rotating rollers inside the two screws, two symmetrically arranged screws 10 are installed on the inner surface wall of the bottom of the pound body 1 through supporting blocks 13, two ends of the screws 10 are provided with thread sections with different thread turning directions, the outer sides of the screws are connected with thread sleeves 9 penetrating through the side wall of the pound body 1 in a screwing manner, when the screws 10 rotate, the thread sleeves 9 on two sides move outwards or inwards simultaneously according to the thread transmission principle, the free ends of the thread sleeves 9 are fixedly connected with supporting plates 7, the supporting plate 7 moves synchronously along with the threaded sleeve 9, wherein the moving direction and the moving direction of the supporting plate 7 are consistent with those of the expansion plate 2, so that the expansion plate 2 is supported by the supporting plate 7, the problem that the expansion plate 2 is broken or bent in the air is solved, and the service life of the expansion plate 2 is prolonged.

Specifically, as shown in fig. 4, the cross section of the through connection between the pound body 1 and the screw sleeve 9 is rectangular, and the screw 10 of the screw sleeve 9 is limited to rotate synchronously, so that the screw sleeve 9 only moves in the horizontal direction.

Specifically, as shown in fig. 1, the top of the supporting plate 7 is provided with a roller 8 in rolling contact with the bottom of the expansion plate 2, and the bottom of the supporting plate 7 is provided with a roller 8 in rolling contact with the ground, so that the supporting plate 7 can move on the ground and the bottom of the expansion plate 2 conveniently, and the movement of the expansion plate 2 is not affected by the rolling of the roller 8.

The working principle is as follows: when the wagon balance is used, when the wagon balance size needs to be increased, the driving motor 6 is started, the worm 5 is driven to rotate through the output shaft of the driving motor 6, the two connecting rods 3 are driven to expand outwards according to the meshing transmission principle of the clamping teeth, so that the expansion plate 2 is pushed out of the wagon balance body 1, the purpose of increasing the size of the wagon balance body 1 is achieved, the matched wagon balance size is adjusted by matching with different wagon body sizes, the replacement of a new wagon balance is avoided, the cost is saved, after the wagon balance is increased to the required size, the driving motor 6 is turned off, and the wagon balance body 1 is fixed to be increased in size under the self-locking action of the worm wheel 4 and;

when the worm 5 rotates, the driving screw 10 rotates through the meshing transmission between the two gears 12, under the transmission action of the belt 11 and the internal rotating roller thereof, the two screws 10 synchronously rotate, the threaded sleeve 9 outwards moves according to the thread transmission principle, and then the supporting plate 7 and the expansion plate 2 are pushed to outwards move through synchronization, so that the purpose of supporting the expansion plate 2 is achieved, the problem that the expansion plate 2 is broken or bent in a suspended mode is solved, and the service life of the expansion plate 2 is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an unmanned on duty weighbridge weighing system, includes that the bottom is fixed plate all around is connected with the pound body (1) of footing, a serial communication port, the inside central point of pound body (1) is rotated through bearing and pivot and is installed worm wheel (4), the top of worm wheel (4) is rotated through the pivot and is connected with connecting rod (3) of two parallels, the free end of connecting rod (3) is rotated through the pivot and is connected with expansion board (2) that run through pound body (1) lateral wall, driving motor (6) are installed to table wall one side in pound body (1), the output shaft transmission of driving motor (6) is connected with worm (5) of being connected with worm wheel (4) meshing transmission.

2. An unattended weighbridge weighing system according to claim 1, wherein two symmetrically arranged screws (10) are mounted on the inner surface wall of the bottom of the weighbridge body (1) through support blocks (13), thread sections with different thread turning directions are arranged at two ends of each screw (10), a threaded sleeve (9) penetrating through the side wall of the weighbridge body (1) is connected to the outer side of each screw in a screwing mode through threads, and a support plate (7) is fixedly connected to the free end of each threaded sleeve (9).

3. An unmanned weighbridge weighing system according to claim 2, wherein the polished rod segments of the two screws (10) are in transmission connection with the internal rotating rollers through belts (11).

4. An unmanned weighbridge weighing system according to claim 2, wherein the polished rod section of one of the screws (10) and the outer side of the worm (5) are sleeved with gears (12) in meshed transmission connection.

5. An unmanned ground scale weighing system according to claim 1, wherein the cross-section of the connection between the scale body (1) and the screw sleeve (9) is rectangular.

6. An unmanned weighbridge weighing system according to claim 2, wherein the top of the supporting plate (7) is provided with rollers (8) which are in rolling contact with the bottom of the expansion plate (2), and the bottom of the supporting plate (7) is provided with rollers (8) which are in rolling contact with the ground.