CN114018377A

CN114018377A - Unattended automatic weighing equipment

Info

Publication number: CN114018377A
Application number: CN202111296907.3A
Authority: CN
Inventors: 蔡金良; 孙嘉男
Original assignee: Nanjing Wanwei Chuanglian Technology Co ltd
Current assignee: Nanjing Wanwei Chuanglian Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-02-08

Abstract

The invention relates to the technical field of weighbridges and discloses unattended automatic weighing equipment which comprises inclined plates, two groups of supporting frames, a bearing plate, T-shaped round blocks, a reset spring and a weighing device, wherein the inclined plates are fixedly arranged between the two groups of inclined plates, the bearing plate is slidably arranged at the top end of each supporting frame, more than two T-shaped round blocks are uniformly and slidably arranged on each supporting frame, the top ends of the T-shaped round blocks are fixedly arranged at the bottom end of the bearing plate, the reset spring is arranged on the annular side surface of each T-shaped round block, the upper end and the lower end of each reset spring are respectively and fixedly arranged on each supporting frame and each T-shaped round block, and the weighing device is fixedly arranged in each supporting frame. The invention can not only drive the push rod to move and extrude the inclined rod by the extrusion inclined block of the T-shaped block so as to push the broadcasting module to move, but also facilitate the baffle to reversely rotate by the torsion of the first torsion spring so as to cover and protect the broadcasting module, and can drive the rotating rod to rotate by the movement of the bearing plate so as to drive the cylinder to move downwards.

Description

Unattended automatic weighing equipment

Technical Field

The invention relates to the technical field of weighbridges, in particular to an unattended automatic weighing device.

Background

The weighbridge is also called as a truck scale, is a large-scale weighbridge arranged on the ground, is generally used for weighing the loaded tonnage of a truck, is a main weighing device for weighing bulk goods of factories, mines, merchants and the like, and can be divided into an I-steel weighbridge, a T-beam weighbridge, an L-beam steel weighbridge, a U-shaped weighbridge, a channel steel weighbridge and a reinforced concrete weighbridge according to the structure of a scale body; the automobile weighing device can be divided into a digital wagon balance and an analog wagon balance according to the type of a sensor, an automobile is driven onto a bearing plate through an inclined plate, then the automobile mass is weighed through a weighing device, the automobile mass is detected through an infrared positioning module, and the phenomenon that the automobile is not driven onto the bearing plate completely to cause the error of the automobile mass measurement is avoided.

An unmanned on duty automatic weighing equipment who uses at present has certain defect, lacks the convenient function that stretches out of broadcast module, causes inconveniently to protect broadcast module, and broadcast module exposes always, receives external environment and damages easily, and then inconvenient suggestion driver starts the operation vehicle, consequently, proposes an unmanned on duty automatic weighing equipment and seems very necessary.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an unattended automatic weighing device, which mainly aims to solve the problem that a broadcasting module is exposed outside and is easy to be damaged by collision.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

an unattended automatic weighing device comprises inclined plates, a support frame, a bearing plate, two groups of T-shaped round blocks, reset springs, a weighing device, a display module, a support rod, an indication module, an acquisition module, an infrared positioning module and a broadcasting module, wherein the inclined plates are arranged in two groups, the support frame is fixedly arranged between the two groups of inclined plates, the bearing plate is slidably arranged at the top end of the support frame, more than two T-shaped round blocks are uniformly and slidably arranged on the support frame, the top ends of the T-shaped round blocks are fixedly arranged at the bottom end of the bearing plate, the reset springs are arranged on the annular side surfaces of the T-shaped round blocks, the upper ends and the lower ends of the reset springs are respectively and fixedly arranged on the support frame and the T-shaped round blocks, the weighing device is fixedly arranged in the support frame, the top ends of the weighing device are attached to the bottom end of the bearing plate, the display module is fixedly arranged on one inclined plate and is electrically connected with the weighing device, the two inclined plates are symmetrically and fixedly provided with supporting rods, one supporting rod is fixedly provided with an indicating module, the other supporting rod is fixedly provided with an acquisition module, the supporting rods are fixedly provided with infrared positioning modules, one inclined plate is internally provided with a broadcasting module, the bottom end of the bearing plate is fixedly provided with a T-shaped block, one end of the supporting frame is provided with a groove, the groove is internally provided with an inclined block in a sliding manner, the left end of the inclined block is fixedly provided with a push rod, the bottom end of the T-shaped block extends into the groove to be attached to the inclined block, the left end of the inclined block is fixedly provided with a first spring, the left end of one spring is fixedly arranged on one inclined plate, the front end of one inclined plate is provided with an accommodating groove, the broadcasting module is slidably arranged in the accommodating groove, the middle position of the rear end of the broadcasting module is fixedly provided with an inclined rod, and the rear end of the broadcasting module is symmetrically and fixedly provided with two second springs, and the rear ends of the two springs are fixedly installed inside the accommodating grooves, and the left ends of the push rods extend to the inside of the accommodating grooves to be attached to the inclined rods.

Further, one of them two fixed blocks of symmetry fixed mounting on the swash plate, and two fixed block symmetric distribution are in accomodating the groove left and right sides, two rotate between the fixed block and install the baffle, two rubber blocks of broadcast module front end symmetry fixed mounting, and the rubber block front end laminates with the baffle rear end, the rotation pin is installed to both ends symmetry about the baffle, and the rotation pin rotates and install inside the fixed block, fixed mounting has torsional spring one on the rotation pin annular side, and torsional spring one outside fixed mounting is inside the fixed block.

Furthermore, the display module includes display and bill printing apparatus, one of them fixed mounting has the display on the swash plate, and display rear end fixed mounting has bill printing apparatus, infrared positioning module includes infrared emitter and infrared receiver.

Further, two supporting blocks of both ends symmetry fixed mounting around the bearing plate, supporting block bottom fixed mounting has U type piece, both ends symmetry fixed mounting has the fixed pin around the support frame, rotate on the fixed pin annular side and install the dwang, U type piece slidable mounting is on the dwang.

On the basis of the scheme, a second torsion spring and a bearing are fixedly mounted on the annular side face of the fixing pin, and the outer side of the second torsion spring and the outer side of the bearing are fixedly mounted inside the rotating rod.

Furthermore, a first circular ring and a second circular ring are fixedly mounted on the annular side face of the supporting rod, an infrared positioning module is fixedly mounted at the top end of the first circular ring, a cylinder is slidably mounted on the annular side face of the first circular ring, and the top end of the cylinder is attached to the second circular ring.

On the basis of aforementioned scheme, bracing piece annular fixed mounting has the support ring, and support ring bottom slidable mounting has T type round bar, and T type round bar bottom extends to the dwang bottom, T type round bar top fixed mounting is in the drum bottom, fixed mounting has solid fixed ring on the T type round bar annular flank, install spring three on the T type round bar annular flank, and three both ends of spring fixed mounting respectively on solid fixed ring and on the support ring, logical groove has been seted up on the dwang top, and leads to inside slidable mounting of groove and have T type round bar.

As a further scheme of the invention, two sliding blocks are symmetrically and fixedly installed on one annular side surface of the fixing ring, two sliding grooves are symmetrically formed in the cylinder, and the sliding blocks are installed in the sliding grooves.

Furthermore, the acquisition module consists of a camera and a display, the broadcast module consists of a loudspeaker and a central controller, and the indication module consists of a traffic light and a controller.

(III) advantageous effects

Compared with the prior art, the invention provides unattended automatic weighing equipment, which has the following beneficial effects:

1. the inclined block is extruded through the T-shaped block to drive the push rod to move to extrude the inclined rod, and then the broadcasting module is pushed to move, when the broadcasting module needs to be used, a vehicle is installed and runs on the bearing plate, the bearing plate moves downwards to drive the T-shaped round block to move downwards and stretch the reset spring, the bearing plate moves downwards to drive the T-shaped block to move downwards, the T-shaped block moves downwards to extrude the inclined block, the inclined block moves to drive the push rod to move, the inclined block moves to extrude the first spring, the first spring generates elastic force, the push rod moves to extrude the inclined rod, the inclined rod moves forwards to drive the broadcasting module to move forwards, and the broadcasting module moves to the outside of the accommodating groove to be convenient to use.

2. The broadcast module is convenient for the baffle to reversely rotate through the torsion of the first torsion spring to cover and protect the broadcast module, the broadcast module moves forwards to drive the rubber block to move to extrude the baffle, the stop lever rotates around the rotating pin, the first torsion spring is extruded, the broadcast module moves to the outside of the accommodating groove at the moment, the broadcast module is convenient to use, after the vehicle measurement is completed, the bearing plate is driven by the vehicle, under the action of the elastic force of the reset spring, the bearing plate moves upwards to reset, further, the T-shaped block moves upwards to reset, under the action of the elastic force of the first spring, the inclined block and the push rod move to reset, the push rod is separated from the inclined rod, under the action of the elastic force of the second spring, the broadcast module moves to reset to enter the accommodating groove, under the action of the torsion spring, the baffle rotates to cover the accommodating groove, and further the broadcast module is protected.

3. Move through the bearing plate and drive the dwang and rotate, and then drive the drum and move down, make infrared orientation module expose, the bearing plate moves down and drives the supporting shoe and move down, the supporting shoe moves down and drives U piece and move down, U type piece moves down extrusion dwang, make the dwang rotate around the fixed pin, the dwang rotates and extrudes torsional spring two, torsional spring two's torsion is convenient for the rotation of dwang and resets, the dwang rotates and drives T type round bar and move down, T type round bar moves down and drives the drum and move down, and then make infrared orientation module expose, be convenient for utilize infrared orientation module to detect the position of vehicle.

4. The elastic force of the third spring is convenient for the T-shaped round rod to move and reset, and then the cylinder covers the outer side of the infrared positioning module, the T-shaped round rod moves downwards to drive the fixing ring to move downwards and extrude the third spring, the elastic force of the third spring is convenient for the T-shaped round rod and the cylinder to move and reset, the design of the sliding groove and the sliding block is convenient for the cylinder to be slidably mounted on the first ring, and the design of the through groove is convenient for the T-shaped round rod and the rotating rod to slide relatively.

5. The vehicle weighing device has the advantages that the indication module is designed to prompt a vehicle to enter the bearing plate, the acquisition module is used for checking the information of the vehicle, the weighing device is used for weighing the vehicle, and the display module is designed to display the weight of the vehicle.

Drawings

Fig. 1 is a schematic perspective view of an unattended automatic weighing apparatus according to the present invention;

fig. 2 is a schematic perspective top view of an unattended automatic weighing apparatus according to the present invention;

fig. 3 is a schematic view of an assembly structure of a broadcast module of an unattended automatic weighing apparatus according to the present invention;

FIG. 4 is a schematic view of a baffle assembly structure of an unattended automatic weighing apparatus according to the present invention;

fig. 5 is a schematic view of an assembly structure of a protective cylinder of the unattended automatic weighing apparatus according to the present invention.

In the figure: 1. a sloping plate; 2. a support frame; 3. a bearing plate; 4. a T-shaped round block; 5. a return spring; 6. a weighing device; 7. a display module; 8. a support bar; 9. an indication module; 10. an acquisition module; 11. an infrared positioning module; 12. a broadcast module; 13. a T-shaped block; 14. a sloping block; 15. a push rod; 16. a diagonal bar; 17. a receiving groove; 18. a fixed block; 19. a rotation pin; 20. a first torsion spring; 21. a baffle plate; 22. a first spring; 23. a second spring; 24. a fixing pin; 25. rotating the rod; 26. a second torsion spring; 27. a support block; 28. a U-shaped block; 29. a T-shaped round bar; 30. a through groove; 31. a support ring; 32. a fixing ring; 33. a third spring; 34. a first circular ring; 35. a second circular ring; 36. a cylinder; 37. a chute; 38. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an unattended automatic weighing device comprises inclined plates 1, a support frame 2, a bearing plate 3, T-shaped round blocks 4, reset springs 5, a weighing device 6, a display module 7, a support rod 8, an indication module 9, an acquisition module 10, an infrared positioning module 11 and a broadcasting module 12, wherein the inclined plates 1 are provided with two groups, the support frame 2 is welded between the two groups of inclined plates 1, the bearing plate 3 is slidably mounted at the top end of the support frame 2, more than two T-shaped round blocks 4 are uniformly and slidably mounted on the support frame 2, the top ends of the T-shaped round blocks 4 are welded at the bottom end of the bearing plate 3, the reset springs 5 are mounted on the annular side surface of the T-shaped round blocks 4, the upper end and the lower end of each reset spring 5 are respectively welded on the support frame 2 and the T-shaped round blocks 4, the weighing device 6 is mounted inside the support frame 2 through bolts, the top ends of the weighing device 6 are attached to the bottom end of the bearing plate 3, one inclined plate 1 is provided with the display module 7 through bolts, the display module 7 is electrically connected with the weighing device 6, the two inclined plates 1 are symmetrically and fixedly provided with supporting rods 8, one supporting rod 8 is fixedly provided with an indicating module 9, the indicating module 9 is designed to provide signals for the running of a vehicle, the other supporting rod 8 is fixedly provided with an acquisition module 10, the acquisition module 10 is designed to be convenient for checking vehicle information, the supporting rod 8 is fixedly provided with an infrared positioning module 11, the infrared positioning module 11 is designed to conveniently detect the position of the vehicle and prevent the vehicle from not completely opening onto the bearing plate 3, one inclined plate 1 is internally provided with a broadcasting module 12, the broadcasting module 12 is designed to conveniently prompt a driver to operate the vehicle, the bottom end of the bearing plate 3 is welded with a T-shaped block 13, one end of the supporting frame 2 is provided with a groove, the inclined block 14 is slidably arranged in the groove, the left end of the inclined block 14 is welded with a push rod 15, the bottom end of the T-shaped block 13 extends into the groove to be attached to the inclined block 14, 14 left ends fixed mounting of sloping block has spring one 22, and a 22 left ends gecko of spring is on one of them swash plate 1, one of them swash plate 1 front end has been seted up and has been accomodate groove 17, and accomodate the inside slidable mounting in groove 17 and have broadcast module 12, the down tube 16 is installed through the bolt to the 12 rear end intermediate position of broadcast module, two springs 23 of the symmetrical welding of 12 rear end of broadcast module, and the welding of two springs 23 rear end is inside accomodating groove 17, the 15 left ends of push rod extend to accomodate inside 17 of groove and laminate mutually with the down tube 16.

In the invention, it should be noted that two fixed blocks 18 are symmetrically and fixedly installed on one inclined plate 1, the two fixed blocks 18 are symmetrically distributed on the left side and the right side of the accommodating groove 17, a baffle 21 is rotatably installed between the two fixed blocks 18, the front end of the broadcasting module 12 is symmetrically and fixedly installed with two rubber blocks, the front end of each rubber block is attached to the rear end of the baffle 21, rotating pins 19 are symmetrically installed at the left end and the right end of the baffle 21, the rotating pins 19 are rotatably installed inside the fixed blocks 18, torsion springs one 20 are fixedly installed on the annular side surfaces of the rotating pins 19, the outer sides of the torsion springs one 20 are fixedly installed inside the fixed blocks 18, the broadcasting module 12 moves to drive the rubber blocks to move, the rubber blocks move to extrude the baffle 21, so that the baffle 21 surrounds the rotating pins 19 and drives the rotating pins 19 to rotate, the rotating pins 19 extrude the torsion springs one 20, and the torsion forces of the torsion springs one 20 are convenient for the rotation resetting of the baffle 21, display module 7 includes display and bill printing apparatus, one of them fixed mounting has the display on the swash plate 1, and display rear end fixed mounting has bill printing apparatus, infrared positioning module 11 includes infrared emitter and infrared receiver, and the design of display is convenient for show vehicle weighing result, and bill printing apparatus is convenient for print data, and infrared emitter and infrared receiver's design is convenient for fix a position the position of vehicle on bearing plate 3.

Particularly, two supporting blocks 27 are symmetrically welded at the front end and the rear end of the bearing plate 3, a U-shaped block 28 is mounted at the bottom end of the supporting block 27 through screws, fixing pins 24 are symmetrically welded at the front end and the rear end of the supporting frame 2, a rotating rod 25 is rotatably mounted on the annular side surface of the fixing pin 24, the U-shaped block 28 is slidably mounted on the rotating rod 25, a second torsion spring 26 and a bearing are fixedly mounted on the annular side surface of the fixing pin 24, the outer side of the second torsion spring 26 and the outer side of the bearing are fixedly mounted inside the rotating rod 25, a first ring 34 and a second ring 35 are welded on the annular side surface of the supporting rod 8, the top end of the first ring 34 is fixedly mounted with the infrared positioning module 11, a cylinder 36 is slidably mounted on the annular side surface of the first ring 34, the top end of the cylinder 36 is attached to the second ring 35, a supporting ring 31 is fixedly mounted on the annular surface of the supporting rod 8, a T-shaped round rod 29 is slidably mounted at the bottom end of the supporting ring 31, and the bottom end of the T-shaped round rod 29 extends to the rotating rod 25, the top end of a T-shaped round rod 29 is fixedly arranged at the bottom end of a cylinder 36, a fixing ring 32 is fixedly arranged on the annular side surface of the T-shaped round rod 29, a third spring 33 is arranged on the annular side surface of the T-shaped round rod 29, two ends of the third spring 33 are respectively welded on the fixing ring 32 and a support ring 31, a through groove 30 is arranged at the top end of a rotating rod 25, the T-shaped round rod 29 is slidably arranged in the through groove 30, two sliders 38 are symmetrically and fixedly arranged on the annular side surface of the fixing ring 32, two sliding grooves 37 are symmetrically arranged in the cylinder 36, the sliders 38 are arranged in the sliding grooves 37, when a vehicle runs on a bearing plate 3, the bearing plate 3 moves downwards to drive a supporting block 27 to move downwards, the supporting block 27 moves downwards to drive a U block to move downwards, the U-shaped block 28 moves downwards to press the rotating rod 25, so that the rotating rod 25 rotates around a fixing pin 24, the rotating rod 25 rotates to press a second torsion spring 26, the torsion of the second torsion spring 26 facilitates the rotation and reset of the rotating rod 25, the rotating rod 25 rotates to drive the T-shaped round rod 29 to move downwards, the T-shaped round rod 29 moves downwards to drive the cylinder 36 to move downwards, so that the infrared positioning module 11 is exposed, the position of the vehicle is detected by using the infrared positioning module 11, the situation that the vehicle does not completely open onto the bearing plate 3 is avoided, the T-shaped round rod 29 moves downwards to drive the fixing ring 32 to move downwards and extrude the third spring 33, the elastic force of the third spring 33 facilitates the movement and reset of the T-shaped round rod 29 and the cylinder 36, the sliding groove 37 and the sliding block 38 are designed to facilitate the sliding installation of the cylinder 36 on the first ring 34, the through groove 30 is designed to facilitate the relative sliding between the T-shaped round rod 29 and the rotating rod 25, the acquisition module 10 is composed of a camera and a display, the camera and the display are designed to facilitate the acquisition and the viewing of the vehicle information, the broadcast module 12 is composed of a speaker and a central controller, the design of speaker and central controller is convenient for remind the driver to carry out the vehicle operation, and indicating module 9 comprises traffic lights and controller, and the design of traffic lights and controller is convenient for remind the driver to operate.

The working principle of the embodiment is as follows: when the broadcasting module 12 needs to be used, a vehicle is installed and driven on the bearing plate 3, the bearing plate 3 moves downwards to drive the T-shaped round block 4 to move downwards and stretch the return spring 5, the bearing plate 3 moves downwards to drive the T-shaped block 13 to move downwards, the T-shaped block 13 moves downwards to press the inclined block 14, the inclined block 14 moves to drive the push rod 15 to move, the inclined block 14 moves to press the first spring 22, the first spring 22 generates elastic force, the push rod 15 moves to press the inclined rod 16, the inclined rod 16 moves forwards to drive the broadcasting module 12 to move forwards, the second spring 23 is further stretched, the elastic force of the second spring 23 facilitates the movement and the restoration of the broadcasting module 12, the broadcasting module 12 moves forwards to drive the rubber block to move to press the baffle plate 21, the baffle plate rotates around the rotating pin 19 and presses the first torsion spring 20, and at the moment, the broadcasting module 12 moves to the outside of the accommodating groove 17, be convenient for broadcasting module 12's use, after the vehicle measurement is accomplished, bearing plate 3 under the vehicle traveles, under the effect of reset spring 5 elasticity, bearing plate 3 moves upward and resets, and then make T type piece 13 rebound reset, under the effect of spring 22 elasticity, sloping block 14 and push rod 15 move and reset, make push rod 15 and down tube 16 separation, under the effect of spring two 23 elasticity, broadcasting module 12 moves and resets and gets into and accomodate inside the groove 17, under the effect of torsional spring 20 torsion, baffle 21 rotates and covers accomodating groove 17, and then protect broadcasting module 12.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An unattended automatic weighing device comprises inclined plates (1), support frames (2), bearing plates (3), T-shaped round blocks (4), reset springs (5), weighing devices (6), a display module (7), support rods (8), an indication module (9), an acquisition module (10), an infrared positioning module (11) and a broadcasting module (12), wherein the inclined plates (1) are provided with two groups, the support frames (2) are fixedly arranged between the two groups of inclined plates (1), the bearing plates (3) are slidably arranged at the top ends of the support frames (2), more than two T-shaped round blocks (4) are uniformly and slidably arranged on the support frames (2), the top ends of the T-shaped round blocks (4) are fixedly arranged at the bottom ends of the bearing plates (3), the reset springs (5) are arranged on the annular side surfaces of the T-shaped round blocks (4), and the upper ends and the lower ends of the reset springs (5) are respectively and fixedly arranged on the support frames (2) and the T-shaped round blocks (4), the portable electronic scale is characterized in that a weighing device (6) is fixedly arranged in the support frame (2), the top end of the weighing device (6) is attached to the bottom end of the bearing plate (3), a display module (7) is fixedly arranged on one of the inclined plates (1), the display module (7) is electrically connected with the weighing device (6), supporting rods (8) are symmetrically and fixedly arranged on the two inclined plates (1), an indication module (9) is fixedly arranged on one of the supporting rods (8), an acquisition module (10) is fixedly arranged on the other supporting rod (8), an infrared positioning module (11) is fixedly arranged on the supporting rod (8), a broadcasting module (12) is arranged in one of the inclined plates (1), the portable electronic scale is characterized in that a T-shaped block (13) is fixedly arranged at the bottom end of the bearing plate (3), a groove is formed in one end of the support frame (2), an inclined block (14) is slidably arranged in the groove, a push rod (15) is fixedly arranged at the left end of the inclined block (14), the bottom end of the T-shaped block (13) extends into the groove and is jointed with the inclined block (14), the left end of the sloping block (14) is fixedly provided with a first spring (22), the left end of the first spring (22) is fixedly arranged on one sloping plate (1), wherein the front end of one sloping plate (1) is provided with a receiving groove (17), and a broadcasting module (12) is arranged in the receiving groove (17) in a sliding way, an inclined rod (16) is fixedly arranged in the middle of the rear end of the broadcasting module (12), two springs II (23) are symmetrically and fixedly arranged at the rear end of the broadcasting module (12), and the rear end of the second spring (23) is fixedly installed inside the accommodating groove (17), and the left end of the push rod (15) extends to the inside of the accommodating groove (17) to be attached to the inclined rod (16).

2. The unattended automatic weighing equipment according to claim 1, wherein one of the sloping plate (1) is symmetrically and fixedly provided with two fixing blocks (18), the two fixing blocks (18) are symmetrically distributed on the left side and the right side of the accommodating groove (17), two baffle plates (21) are rotatably arranged between the fixing blocks (18), the front end of the broadcasting module (12) is symmetrically and fixedly provided with two rubber blocks, the front end of each rubber block is attached to the rear end of each baffle plate (21), the left end and the right end of each baffle plate (21) are symmetrically provided with rotating pins (19), the rotating pins (19) are rotatably arranged inside the fixing blocks (18), the annular side surface of each rotating pin (19) is fixedly provided with a first torsion spring (20), and the outer side of each torsion spring (20) is fixedly arranged inside the fixing block (18).

3. The unattended automatic weighing device according to claim 1, wherein the display module (7) comprises a display and a bill printing device, wherein the display is fixedly mounted on one of the sloping plates (1), the bill printing device is fixedly mounted at the rear end of the display, and the infrared positioning module (11) comprises an infrared transmitter and an infrared receiver.

4. The unattended automatic weighing equipment according to claim 1, wherein the bearing plate (3) is symmetrically and fixedly provided with two supporting blocks (27) at the front end and the rear end, the bottom end of each supporting block (27) is fixedly provided with a U-shaped block (28), the supporting frame (2) is symmetrically and fixedly provided with fixing pins (24) at the front end and the rear end, the annular side surface of each fixing pin (24) is rotatably provided with a rotating rod (25), and the U-shaped blocks (28) are slidably arranged on the rotating rods (25).

5. The unattended automatic weighing equipment according to claim 4, wherein the second torsion spring (26) and the bearing are fixedly installed on the annular side face of the fixing pin (24), and the outer side of the second torsion spring (26) and the outer side of the bearing are both fixedly installed inside the rotating rod (25).

6. The unattended automatic weighing equipment according to claim 1, wherein a first ring (34) and a second ring (35) are fixedly installed on the annular side surface of the support rod (8), the top end of the first ring (34) is fixedly provided with the infrared positioning module (11), a cylinder (36) is slidably installed on the annular side surface of the first ring (34), and the top end of the cylinder (36) is attached to the second ring (35).

7. The unattended automatic weighing equipment according to claim 1, wherein the support ring (31) is fixedly mounted on the annular support rod (8), the T-shaped round rod (29) is slidably mounted at the bottom end of the support ring (31), the bottom end of the T-shaped round rod (29) extends to the bottom end of the rotating rod (25), the top end of the T-shaped round rod (29) is fixedly mounted at the bottom end of the cylinder (36), the annular side surface of the T-shaped round rod (29) is fixedly mounted with the fixing ring (32), the annular side surface of the T-shaped round rod (29) is provided with the three springs (33), two ends of the three springs (33) are respectively fixedly mounted on the fixing ring (32) and the support ring (31), the top end of the rotating rod (25) is provided with the through groove (30), and the T-shaped round rod (29) is slidably mounted inside the through groove (30).

8. The unattended automatic weighing apparatus according to claim 6, wherein two sliding blocks (38) are symmetrically and fixedly installed on one annular side surface of the fixing ring (32), two sliding grooves (37) are symmetrically formed in the cylinder (36), and the sliding blocks (38) are installed in the sliding grooves (37).

9. An unattended automatic weighing apparatus according to claim 1, wherein the acquisition module (10) consists of a camera and a display, the broadcast module (12) consists of a speaker and a central controller, and the indication module (9) consists of a traffic light and a controller.