CN209397540U

CN209397540U - A kind of bridge overload limit device

Info

Publication number: CN209397540U
Application number: CN201822093587.1U
Authority: CN
Inventors: 龚帅; 王俊敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2019-09-17
Anticipated expiration: 2028-12-13

Abstract

The utility model discloses a kind of bridge overload limit devices, including right roofbolt and ground, the right roofbolt is built-in with the first lifting column, the top of first lifting column and the right side of restriction plate bottom end, the second lifting column is fixed on the left of the restriction plate bottom end, and second lifting column bottom through the inside of left roofbolt, the bottom end of the left roofbolt and right roofbolt is respectively and fixedly provided with pedestal, bottom end inside the right roofbolt is equipped with slowspeed machine, and the motor shaft of slowspeed machine is equipped with screw rod, the screw rod is through the inside of the first lifting column, plate shell is installed in the ground, the inside of the plate shell is equipped with weighing sensor and single-chip microcontroller.When the utility model passes through weighing sensor by lorry, the weight of lorry is perceived, when being more than the setting range of weighing sensor, slowspeed machine will be activated, it is located in nut using screw rod and is rotated, so that the first lifting column be driven to be located at lifting in right roofbolt, plays preferable limit and the effect that is open to traffic.

Description

A kind of bridge overload limit device

Technical field

The utility model relates to a kind of limit device, specially a kind of bridge overload limit device.

Background technique

Currently, generally requiring to carry out freight weight limit to bridge in the construction of bridge, in order to avoid overweight lorry is to bridge Bridge floor crushing generally can all carry out limit for height, and to avoid passing through for lorry, the mode of tradition limitation lorry is to load height by limitation Degree, but when some cargo mass are larger, expected height, and some Overheight Vehicles are not exceeded, it is light by cargo mass, do not have yet The weight for having more than limitation solves the problems, such as such generation currently without preferable limit device, in order to solve to deposit among the above The problem of, therefore, it is proposed that a kind of bridge overload limit device.

Utility model content

The purpose of this utility model is to provide a kind of bridge overload limit devices, pass through weighing sensor by lorry When, the weight of lorry is perceived, when being more than the setting range of weighing sensor, slowspeed machine will be activated, and be located at using screw rod Rotation in nut, so that the first lifting column be driven to be located at lifting in right roofbolt, play it is preferable limit and the effect that is open to traffic, solve The problem of proposed in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of bridge overload limit device, including the right side Roofbolt and ground, the right roofbolt are built-in with the first lifting column, the top of first lifting column and the right side of restriction plate bottom end, It is fixed with the second lifting column on the left of the restriction plate bottom end, and the bottom of the second lifting column is through the inside of left roofbolt, institute The bottom end for stating left roofbolt and right roofbolt is respectively and fixedly provided with pedestal, and the bottom end inside the right roofbolt is equipped with slowspeed machine, and low speed The motor shaft of motor is equipped with screw rod, and the screw rod is equipped with plate shell, institute in the ground through the inside of the first lifting column The inside for stating plate shell is equipped with weighing sensor and single-chip microcontroller.

As a kind of preferred embodiment of the utility model, the quadrangle on the pedestal top is mounted on bolt, and spiral shell Bolt is connect by pedestal with ground.

As a kind of preferred embodiment of the utility model, the side wall of first lifting column is connected with support frame, and The other end of support frame and the bottom end of restriction plate connect.

As a kind of preferred embodiment of the utility model, the signal output end of the weighing sensor and single-chip microcontroller Signal input part connection, and the signal input part of the signal output end of single-chip microcontroller and slowspeed machine connects.

As a kind of preferred embodiment of the utility model, the model TJH-W of the weighing sensor, the monolithic The model MPC-5554 of machine.

Compared with prior art, the beneficial effects of the utility model are as follows:

A kind of bridge overload limit device of the utility model:

1. pass through weighing sensor by lorry, the weight of lorry is perceived, is being more than the setting range of weighing sensor When, slowspeed machine will be activated, and be located in nut using screw rod and be rotated, and be risen so that the first lifting column be driven to be located in right roofbolt Drop is played and is preferably limited and the effect that is open to traffic.

2. playing the stability of junction by forming three-legged structure between support frame and the first lifting column and restriction plate.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is the overall structure diagram of the utility model bridge overload limit device；

Fig. 2 is the right roofbolt and the first lifting column structural schematic diagram of the utility model bridge overload limit device；

Fig. 3 is the overall operation structural schematic diagram of the utility model bridge overload limit device.

In figure: 1 right roofbolt, 2 left roofbolts, 3 pedestals, 4 bolts, 5 first lifting columns, 6 slowspeed machines, 7 nuts, 8 screw rods, 9 Support frame, 10 restriction plates, 11 second lifting columns, 12 ground, 13 plate shells, 14 weighing sensors, 15 single-chip microcontrollers, 16 conducting wires.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of bridge overload limit device, including right bar Column 1 and ground 12, the right roofbolt 1 are built-in with the first lifting column 5, the top and 10 bottom end of restriction plate of first lifting column 5 Right side, be fixed with the second lifting column 11 on the left of 10 bottom end of restriction plate, and the bottom of the second lifting column 11 is through a left side The bottom end of the inside of roofbolt 2, the left roofbolt 2 and right roofbolt 1 is respectively and fixedly provided with pedestal 3, the bottom end installation inside the right roofbolt 1 Have a slowspeed machine 6, and the motor shaft of slowspeed machine 6 is equipped with screw rod 8, the screw rod 8 through the inside of the first lifting column 5, Plate shell 13 is installed, the inside of the plate shell 13 is equipped with weighing sensor 14 and single-chip microcontroller 15 in the ground 12.

As shown in Figure 1, perceiving the weight of lorry when passing through weighing sensor 14 by lorry, being more than in the present embodiment When the setting range of weighing sensor 14, slowspeed machine 6 will be activated, and be located in nut 7 using screw rod 8 and rotated, to drive First lifting column 5 is located at lifting in right roofbolt 1, plays preferably limiting and the effect that is open to traffic.

Wherein, the quadrangle on 3 top of pedestal is mounted on bolt 4, and bolt 4 is connect by pedestal 3 with ground 12.

Wherein, the side wall of first lifting column 5 is connected with support frame 9, and the other end of support frame 9 and restriction plate 10 Bottom end connection.

As shown in Figure 1, forming three-legged structure between support frame 9 and the first lifting column 5 and restriction plate 10 in the present embodiment, rise To the stability of junction.

Wherein, the signal output end of the weighing sensor 14 is connect with the signal input part of single-chip microcontroller 15, and single-chip microcontroller 15 signal output end is connect with the signal input part of slowspeed machine 6.

Wherein, the model TJH-W, the model MPC-5554 of the single-chip microcontroller 15 of the weighing sensor 14.

When a kind of bridge overload limit device uses: the installation of plate shell 13 passes through plate shell in lorry in ground 12 When 13, weighing sensor 14 can detect the weight of lorry, single when weight reaches maximum limit value and minimum place value Piece machine 15 can analyze the signal of weighing sensor 14, to start slowspeed machine 6 forward or reverse, when rotating forward, screw rod 8 is located at spiral shell It is rotated forward in mother 7, the first lifting column 5 will be driven to be based on right roofbolt 1 and risen, to drive restriction plate 10 to rise, conducive to the logical of vehicle It crosses, screw rod 8 is located at reversion in nut 7, so that the first lifting column 5 is based on decline in right roofbolt 1, blocks restriction plate 10 to vehicle It cuts, no over-loading vehicle passes through, and design is simple, more practical.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of bridge overload limit device, including right roofbolt (1) and ground (12), it is characterised in that: in the right roofbolt (1) It is equipped with the first lifting column (5), the top of first lifting column (5) and the right side of restriction plate (10) bottom end, the restriction plate (10) it is fixed on the left of bottom end the second lifting column (11), and the bottom of the second lifting column (11) is through the interior of left roofbolt (2) Portion, the left roofbolt (2) and the bottom end of right roofbolt (1) are respectively and fixedly provided with pedestal (3), the internal bottom end installation of the right roofbolt (1) Have slowspeed machine (6), and the motor shaft of slowspeed machine (6) is equipped with screw rod (8), the screw rod (8) is through the first lifting column (5) inside, the ground (12) is interior to be equipped with plate shell (13), and the inside of the plate shell (13) is equipped with weighing sensor (14) With single-chip microcontroller (15).

2. a kind of bridge overload limit device according to claim 1, it is characterised in that: the four of pedestal (3) top Angle is mounted on bolt (4), and bolt (4) is connect by pedestal (3) with ground (12).

3. a kind of bridge overload limit device according to claim 1, it is characterised in that: first lifting column (5) Side wall is connected with support frame (9), and the other end of support frame (9) is connect with the bottom end of restriction plate (10).

4. a kind of bridge overload limit device according to claim 1, it is characterised in that: the weighing sensor (14) Signal output end is connect with the signal input part of single-chip microcontroller (15), and the signal output end of single-chip microcontroller (15) and slowspeed machine (6) Signal input part connection.

5. a kind of bridge overload limit device according to claim 1, it is characterised in that: the weighing sensor (14) Model TJH-W, the model MPC-5554 of the single-chip microcontroller (15).