CN215255108U - A can force start protection device for desiccator - Google Patents

Abstract

The utility model discloses a can force start protection device for desiccator, including the fender rod, the connecting rod, the guide rail, the slider, locking mechanical system, first sensor, the second sensor, third sensor and starting switch, the fender rod is half packet type structure, and both ends are rotated through pivot and frame and are connected, the guide rail sets up in the frame, the slider slides and sets up on the guide rail, the both ends of connecting rod are articulated with slider and fender rod respectively, locking mechanical system sets up on the fender rod, utilize locking mechanical system to make the fender rod be in the lock-out condition, first sensor and second sensor set up the both ends at the guide rail, the third sensor sets up in the frame of one side of fender rod under the lock-out condition, starting switch sets up near at the third sensor. The protection rod and the connecting rod frame are utilized to transmit the current state of the protection rod, and the former two signals are transmitted through the connecting rod, so that the opening condition of the protection device is ensured without increasing the operation steps of workers.

Description

A can force start protection device for desiccator

Technical Field

The utility model relates to a desiccator protection field, in particular to can force start-up protection device for desiccator.

Background

The area of a divided field of a general double-cone dryer is very small, and the two areas cannot be respectively separated by a safe distance when the double-cone dryer rotates in a plant with limited height and width. In the process of feeding and discharging, the double-cone dryer can be operated only by cutting off the power, but the worker can only pause the double-cone dryer without cutting off the power, so that the operation is very dangerous. In addition, the double cone dryer may be damaged if workers come close to it by turning over during the production process.

The existing double-cone dryer is generally provided with a guard rail outside to divide a safety area, and workers usually do not use the guard rail for convenience in operation, and the guard rail is arranged at the moment and cannot ensure the safety of the workers.

SUMMERY OF THE UTILITY MODEL

Aiming at overcoming the defects of the prior art, the utility model discloses a protection device capable of being forcibly started for a dryer, which comprises a protection rod, a connecting rod, a guide rail, a slide block, a locking mechanism, a first sensor, a second sensor, a third sensor and a starting switch, wherein the protection rod is in a half-bag structure, two ends of the protection rod are rotationally connected with a frame through a rotating shaft, the guide rail is arranged on the frame, the slide block is arranged on the guide rail in a sliding way, two ends of the connecting rod are respectively hinged with the slide block and the protection rod, the locking mechanism is arranged on the protection rod, the protection rod is in a locking state by utilizing the locking mechanism, the first sensor and the second sensor are arranged at two ends of the guide rail, the third sensor is arranged on the frame at one side of the protection rod in the locking state, the start switch is disposed in the vicinity of the third sensor.

Furthermore, a sliding groove is horizontally formed in the rack, and the third sensor is arranged on the sliding groove in a sliding mode.

Further, when the protection lever is locked, the third sensor slides to below the protection lever.

Furthermore, the locking mechanism comprises locking assemblies arranged on two sides and a transmission rod arranged on the protection rod in a rotating mode, each locking assembly comprises a locking shell, a lock pin, a spring, a traction wire and a guide wheel, the locking shell is arranged on the protection rod, the lock pin and the spring are arranged in the locking shell, the guide wheel is arranged on the protection rod, the traction wire is arranged on the guide wheel and is respectively connected with the transmission rod and the lock pin, and the transmission rod is arranged on the protection rod in a rotating mode.

Further, the rotation point of the transmission lever is offset from the center of the transmission lever.

Further, the controller also comprises a reset switch, and the controller receiving signal is cleared by the reset switch.

The utility model discloses the beneficial effect who gains:

(1) the utility model discloses a set for the received signal order, and only can receive the signal in order and just can start equipment, guarantee that the protection device of equipment can start, and then improved the security of workman's operation.

(2) The protection rod and the connecting rod frame are utilized to transmit the current state of the protection rod, and the former two signals are transmitted through the connecting rod, so that the opening condition of the protection device is ensured without increasing the operation steps of workers.

(3) The locking device adopts the matching of a traction wire and a transmission rod, and can simultaneously control the lock pins on two sides only by rotating the transmission rod, so that the synchronization is good, and the operation is convenient; it is preferable that the rotation center of the driving lever is eccentrically disposed to maintain a vertical state by its own weight.

Drawings

FIG. 1 is a front view of a protective device mounted to a frame;

FIG. 2 is a schematic view of the engagement structure of the protection device mounted on the mechanism;

FIG. 3 is a schematic view of the locking mechanism and the protection bar;

FIG. 4 is a schematic view of the engagement of the drive rod with the pull wire;

the reference numbers are as follows:

1. the device comprises a protection rod, 2, a connecting rod, 3, a guide rod, 4, a sliding block, 5, a locking mechanism, 6, a first sensor, 7, a second sensor, 8, a third sensor, 9, a starting switch, 10, a sliding groove, 51, a transmission rod, 52, a locking shell, 53, a locking pin, 54, a spring, 55, a traction wire, 56 and a guide wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A protection device capable of being started forcibly for a drying machine comprises a protection rod 1, a connecting rod 2, a guide rail 3, a slide block 4, a locking mechanism 5, a first sensor 6, a second sensor 7, a third sensor 8 and a starting switch 9, wherein the protection rod 1 is in a half-package structure, two ends of the protection rod are rotatably connected with a frame through a rotating shaft, the guide rail 3 is arranged on the frame, the slide block 4 is arranged on the guide rail 3 in a sliding manner, two ends of the connecting rod 2 are respectively hinged with the slide block 4 and the protection rod 1, the locking mechanism 5 is arranged on the protection rod 1, the protection rod 1 is in a locking state (the protection rod 1 is in a horizontal state) by utilizing the locking mechanism 5, the first sensor 6 and the second sensor 7 are arranged at two ends of the guide rail 3, the third sensor 8 is arranged on the frame at one side of the protection rod 1 in the locking state, the starting switch 9 is arranged near the third sensor 8, so that the starting signal of the working personnel can be started conveniently. When locked, a protection area is formed by the protection bar 1 and the link 2 to protect workers from being hit by the drying cylinder.

In one embodiment, as shown in fig. 1-4, a chute 10 is horizontally disposed on the frame, and the third sensor 8 is slidably disposed on the chute 10. In a specific embodiment, the third sensor 8 slides below the protection bar 1 when the protection bar 1 is locked. Preferably, the third sensor 8 is slidably connected with the chute 10 through a support block for protecting the third sensor 8 and temporarily supporting the protection rod 1.

In one embodiment, as shown in fig. 1 to 4, the locking mechanism 5 includes a locking assembly and a transmission rod 51, the locking assembly is disposed on two sides of the protection rod 1, the locking assembly includes a locking housing 52, a locking pin 53, a spring 54, a pull wire 55 and a guide wheel 56, the locking housing 52 is disposed on the protection rod 1, the locking pin 53 and the spring 54 are disposed in the locking housing 52, and the spring 54 pushes the locking pin 53 to make one end of the locking pin protrude from the locking housing 52 and then clamp the protection rod to the rack, so that the protection rod 1 is fixed to the rack. The guide wheels 56 are arranged on the protective rod 1, the traction wires 55 are arranged on the guide wheels 56 and are respectively connected with the transmission rod 51 and the lock pin 53, and the transmission rod 51 is rotatably arranged on the protective rod 1. The traction wire 55 is guided along the protection bar 1 by means of guide wheels 56. It can be seen that when unlocking, only the transmission rod 51 needs to be rotated, the lock pin 53 is pulled into the locking shell 52 through the pull wire 55, the transmission rod 51 is released, and the lock pin 53 is reset by the elastic force of the springs 54 at the two ends.

Preferably, as shown in fig. 1-4, the pivot point of drive link 51 is offset from the center of drive link 51. With this structure, the vertical state can be maintained without external force by the self weight of the transmission lever 51. Thus, a spring with smaller elasticity can be used only by ensuring that the lock pin 53 is reset.

In one embodiment, as shown in fig. 1 to 4, the controller further includes a reset switch, and the reset switch is configured to clear the controller acceptance signal and restore the controller acceptance signal to the initial state.

In the above embodiments, as shown in fig. 1 to 4, the first sensor 6, the second sensor 7, and the third sensor 8 may each employ a photoelectric sensor.

Of course, in order to make the signal reception more intuitive, signal lamps can be arranged, the sequence of the signal lamps is arranged in sequence according to each sequence, and after the controller receives the signal, the corresponding signal lamps are turned on.

The starting method is specifically described below in conjunction with the above-described apparatus:

the first condition is as follows: the protection rod 1 is in an open state, the protection device unlocking signal is sent at the moment, after the operation of workers is finished, the protection rod 1 is rotated, the locking mechanism 5 is controlled to be locked with the rack, the protection device locking signal is sent at the moment, then the workers move the third sensor 8 to the position below the protection rod 1, and the protection device locking confirmation signal is sent at the moment. Then, the starting switch is pressed down, a starting signal is sent, and the equipment is started smoothly.

The second situation, if the staff is lazy, all set up the response piece on first sensor 6, second sensor 7 and third sensor 8 for each signal is received all the time to the controller, and presses starting switch, and is invalid this moment.

And in the third case, when the starting switch is pressed to start the equipment, the locking mechanism 5 is opened to enable the protection rod 1 to be in an open state, the reset switch is pressed to clear the received signal of the controller, and the equipment can be started by repeating the steps in the first case.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims (6)

1. A protection device capable of being started forcibly for a dryer is characterized by comprising a protection rod, a connecting rod, a guide rail, a sliding block, a locking mechanism, a first sensor, a second sensor, a third sensor and a starting switch, wherein the protection rod is of a half-package structure, and both ends are rotationally connected with the frame through a rotating shaft, the guide rail is arranged on the frame, the slide block is arranged on the guide rail in a sliding way, two ends of the connecting rod are respectively hinged with the sliding block and the protective rod, the locking mechanism is arranged on the protective rod, the protective rod is in a locking state by utilizing the locking mechanism, the first sensor and the second sensor are arranged at two ends of the guide rail, the third sensor is arranged on the rack on one side of the protection rod in a locking state, and the starting switch is arranged near the third sensor.

2. A positive start protection device for a dryer according to claim 1 wherein the frame is horizontally provided with a chute and the third sensor is slidably disposed on the chute.

3. A force-activatable protective device for a dryer as claimed in claim 2, wherein the third sensor slides below the protective bar when the protective bar is locked.

4. A protection device for a dryer according to claim 1, wherein the locking mechanism includes a locking assembly and a transmission rod, the locking assembly includes a locking housing, a locking pin, a spring, a pulling wire and a guide wheel, the locking housing is disposed on the protection rod, the locking pin and the spring are disposed in the locking housing, the guide wheel is disposed on the protection rod, the pulling wire is disposed on the guide wheel and is connected to the transmission rod and the locking pin, respectively, and the transmission rod is rotatably disposed on the protection rod.

5. A positive start protection device for a dryer according to claim 4 wherein the rotation point of the drive rod is offset from the centre of the drive rod.

6. The apparatus of claim 1, further comprising a reset switch, wherein the reset switch is used to clear the controller received signal.

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