CN214879671U

CN214879671U - Operating handle for crane

Info

Publication number: CN214879671U
Application number: CN202122305482.XU
Authority: CN
Inventors: 祖运攀; 孙云龙; 周强; 游华云; 单迎歌; 丁海洋; 冯丹侠
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-11-26
Anticipated expiration: 2031-09-23

Abstract

An operating handle for a crane comprises a shell and a protective cover, wherein an external power supply and a circuit board integrated by an MCU control circuit, a display circuit, a booster circuit and a word library circuit are arranged in the shell, and an OLED display screen and a key group are arranged on an operating surface of the shell; the external power supply supplies power to the MCU control circuit and the OLED display screen, the external power supply is correspondingly and electrically connected with the OLED display screen through the booster circuit, a signal input pin of the OLED display screen is correspondingly and electrically connected with a signal output pin of the display circuit, the signal input pin of the display circuit is correspondingly and electrically connected with a signal output pin of the MCU control circuit, and an input pin of the MCU control circuit is correspondingly and electrically connected with the key group and the word stock circuit; a protective cover is arranged outside the shell in a sliding manner; the handle can display multiple parameters and prevent the handle from being damaged.

Description

Operating handle for crane

Technical Field

The utility model belongs to the technical field of the operation display technique of hoist and specifically relates to an operating handle that hoist was used is related to.

Background

As is known, a light and small crane is used as a highly intelligent multi-mechanism operation device, various operation parameters are generated in the operation process, an operator needs to judge whether the crane is normal or not according to the operation parameters on an operation handle, an operation instruction of the crane is also sent out through the operation handle, and in addition, under certain specific conditions, corresponding parameters need to be modified, so that the normal operation of the crane is ensured; the operating handle of the traditional crane is mostly displayed by a nixie tube, but the nixie tube can display a small number of characters and can only display numbers and partial letters, so that the condition of displaying more parameters cannot be met, and the operating handle of the traditional crane is in wired connection with the crane, so that the operating handle is in a natural falling state directly in the running process of the crane, and the handle is easy to collide with an external object to cause damage to the handle; therefore, in summary, there is a need in the market for an operating handle capable of displaying multiple parameters and preventing itself from being damaged.

Disclosure of Invention

In order to overcome the deficiency in the background art, the utility model discloses an operating handle for crane.

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

an operating handle for a crane comprises a shell and a protective cover, wherein an external power supply and a circuit board integrated by an MCU control circuit, a display circuit, a booster circuit and a word library circuit are arranged in the shell, and an OLED display screen and a key group are arranged on an operating surface of the shell; the external power supply supplies power to the MCU control circuit and the OLED display screen, the external power supply is correspondingly and electrically connected with the OLED display screen through the booster circuit, a signal input pin of the OLED display screen is correspondingly and electrically connected with a signal output pin of the display circuit, the signal input pin of the display circuit is correspondingly and electrically connected with a signal output pin of the MCU control circuit, and an input pin of the MCU control circuit is correspondingly and electrically connected with the key group and the word stock circuit; a protective cover is arranged outside the shell in a sliding manner;

preferably, the booster circuit is composed of a power chip with model number TPS61040 and an external loop thereof;

preferably, the MCU control circuit consists of a single chip microcomputer with the model number of STM32 and a peripheral circuit thereof;

preferably, sliding grooves are formed in the two side faces of the shell along the length direction and are correspondingly communicated with the top face of the shell, and sliding blocks which are correspondingly matched with the two sliding grooves are arranged on the inner side face of the protection cover;

preferably, two ends of the bottom surface of the chute are respectively provided with a positioning hole, and the outer side surface of the protective cover is provided with a positioning mechanism which can be inserted into the positioning holes;

preferably, the positioning mechanism comprises a limiting column, a positioning block, a support column, a raising rod and a spring, the tail end of the limiting column correspondingly penetrates through the protective cover and the sliding block and then is correspondingly hinged with the positioning block, the positioning block is located in the positioning hole in a matching mode, a baffle is annularly arranged on a column body at the head end of the limiting column, the column body of the limiting column is provided with the spring, and two ends of the spring are correspondingly connected with the baffle and the outer side face of the protective cover respectively; the head end of spacing post corresponds with the tail end of perk pole and articulates, and the pole body of perk pole corresponds with the head end of pillar and articulates, and the pillar corresponds to install in the lateral surface of safety cover.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses an operating handle for crane can realize the display of Chinese characters, numbers and letters by arranging an OLED display screen, and the definition of the display screen is higher, thereby being capable of completely displaying the operating parameters of the crane and facilitating the operation control of operators on the crane; in addition, the shell can be prevented from being collided through the protective cover, so that the purpose of protecting the shell is achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the positioning mechanism.

In the figure: 1. a housing; 101. a chute; 102. positioning holes; 2. a protective cover; 201. a slider; 3. connecting an external power supply; 4. an OLED display screen; 5. a key group; 6. an MCU control circuit; 7. a boost circuit; 8. a display circuit; 9. a word stock circuit; 10. a positioning mechanism; 1001. a limiting column; 1002. positioning blocks; 1003. a baffle plate; 1004. a spring; 1005. raising the rod; 1006. and a support pillar.

Detailed Description

In the following description, the technical solution of the present invention will be described with reference to the accompanying drawings in the embodiment of the present invention, it should be understood that, if there are the indicated positions or positional relationships such as "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific position:

the operating handle for the crane, which is described in conjunction with the attached fig. 1-2, comprises a shell 1 and a protective cover 2, wherein an external power supply 3 and a circuit board integrated by an MCU control circuit 6, a display circuit 8, a booster circuit 7 and a word bank circuit 9 are arranged in the shell 1, and an OLED display screen 4 and a key group 5 are arranged on an operating surface of the shell 1; the external power supply 3 provides power for the MCU control circuit 6 and the OLED display screen 4, the external power supply 3 is electrically connected with the OLED display screen 4 correspondingly through the booster circuit 7, the external power supply 3 is a battery, the voltage of the external power supply 3 is generally 3.3V, the driving voltage of the OLED display screen 4 is 12V, so the voltage of the external power supply 3 can be boosted to 12V through the booster circuit 7 to supply power for the OLED display screen 4, in particular, the booster circuit 7 is composed of a power chip with the model of 610TPS 40 and an external loop thereof, when an MOSFET in the power chip is conducted, an SW pin of the power chip is conducted with a GND pin, at the moment, the inductor L1 in the peripheral circuit is charged, when the MOSFET in the power chip is turned off, the current cannot suddenly change due to the electrification of the inductor L1, so the current flows to a load end through a diode D1 in the peripheral circuit, at the moment, the inductor L1 and the 3.3V power supply are used as power supplies to be connected in series to supply power to the load, so that the load voltage is increased, and the purpose of boosting is achieved; after the discharging is finished, the MOSFET in the power supply chip is turned on again, so that the voltage of the SW pin of the power supply chip is reduced, the inductor L1 is charged again, but because of the unidirectional conductivity of the diode, the current of a load loop cannot flow back, and the circuit is stable; in addition, the resistors R1 and R3 in the peripheral circuit are connected in series to form a feedback circuit, and the load end voltage in the feedback circuit is fed back in real time, so that the output power supply voltage cannot fluctuate greatly due to the change of load current and load property, closed-loop control is realized, and the load voltage is stabilized;

the signal input pin of the OLED display screen 4 is electrically connected with the signal output pin of the display circuit 8 correspondingly, the signal input pin of the display circuit 8 is electrically connected with the signal output pin of the MCU control circuit 6 correspondingly, the input pin of the MCU control circuit 6 is electrically connected with the key set 5 and the word stock circuit 9 correspondingly, in addition, the signal pin of the MCU control circuit 6 is also electrically connected with the running system of the crane correspondingly, so that the MCU control circuit 6 receives the corresponding running parameter of the crane, and the MCU control circuit 6 can send a corresponding action instruction to the running system of the crane by pressing the corresponding control key in the key set 5, thereby achieving the function of controlling the running of the crane, after the MCU control circuit 6 receives the parameter data, the corresponding character data in the word stock circuit 9 is called, the display data of the parameter data is obtained by the program running, and finally the display data is transmitted to the display circuit 8, the display circuit 8 controls the corresponding pixel points on the OLED display screen 4 to emit light, namely parameter data is displayed, the OLED display screen 4 can display any character, so that the operating parameters of the crane are completely displayed, an operator can conveniently judge the operating state of the crane, and the MCU control circuit 6 consists of a single chip microcomputer with the model number of STM32 and a peripheral loop thereof as required;

the casing 1 is provided with a protective cover 2 in an external sliding manner, the protective cover 2 can prevent the casing 1 from being collided, so as to protect the casing 1, in addition, the protective cover 2 is made of transparent materials, when the protective cover 2 is not removed, an operator can see parameter data displayed on the casing 1, in addition, two side surfaces of the casing 1 are provided with chutes 101 along the length direction, the chutes 101 are correspondingly communicated with the top surface of the casing 1, the inner side surface of the protective cover 2 is provided with sliders 201 respectively correspondingly matched with the two chutes 101, the top surface of the casing 1 is provided with through holes for a main control line to pass through, one end of the main control line is connected with a control system of a crane, the other end of the main control line is connected with a circuit board in the casing 1, the protective cover 2 is also provided with through holes for the control line to pass through, the bottom surface of the protective cover 2 is provided with an opening, and the bottom surface of the protective cover 2 corresponds to the top surface of the casing 1, when the protective cover 2 is installed, the bottom surface of the protective cover 2 gradually moves towards the shell 1, and meanwhile, the sliding blocks 201 in the protective cover 2 are inserted into the corresponding sliding grooves 101 of the shell 1, and finally the shell 1 is covered; according to the requirement, two ends of the bottom surface of the sliding chute 101 are respectively provided with a positioning hole 102, the outer side surface of the protection cover 2 is provided with a positioning mechanism 10 capable of being inserted into the positioning hole 102, when the positioning mechanism 10 is inserted into the positioning hole 102 at the top of the shell 1, the protection cover 2 is in an open state, the OLED display screen 4 and the key group 5 on the shell 1 are in an exposed state, the operation of an operator can be realized, when the positioning mechanism 10 is inserted into the positioning hole 102 at the bottom of the shell 1, the protection cover 2 is in a closed state, and the shell 1 is covered by the protection cover 2, so that the purpose of protection is achieved;

in addition, the positioning mechanism 10 comprises a limiting column 1001, a positioning block 1002, a support column 1006, a tilting rod 1005 and a spring 1004, the tail end of the limiting column 1001 correspondingly penetrates through the protective cover 2 and the slider 201 and then is correspondingly hinged to the positioning block 1002, the positioning block 1002 is located in the positioning hole 102 in a matching mode, the diameter of the column shaft of the limiting column 1001 is smaller than that of a through hole penetrating through the protective cover 2 and the slider 201, a baffle 1003 is annularly arranged on the column shaft at the head end of the limiting column 1001, the column shaft of the limiting column 1001 is provided with the spring 1004, and two ends of the spring 1004 are correspondingly connected with the baffle 1003 and the outer side face of the protective cover 2 respectively; the head end of spacing post 1001 corresponds articulatedly with the tail end of stick up pole 1005, the pole body of stick up pole 1005 corresponds articulatedly with the head end of pillar 1006, pillar 1006 corresponds installs in the lateral surface of safety cover 2, when using, through pressing down the head end of stick up pole 1005, supporting role through branch, the tail end of stick up pole 1005 then can be to keeping away from casing 1 direction rotation, thereby drive spacing post 1001 and to keeping away from casing 1 direction removal, finally pull out locating block 1002 in locating hole 102, casing 1's length direction free slip can be followed to safety cover 2 this moment, and after moving to the position of another locating hole 102, under the elastic deformation effect of spring 1004, will stimulate baffle 1003 and remove to casing 1 direction, thereby drive spacing post 1001 and locating block 1002 and remove to casing 1 direction, final locating block 1002 gets into in the locating hole 102, realize location locking once more.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. An operating handle for a crane, characterized in that: the multifunctional intelligent control device comprises a shell (1) and a protective cover (2), wherein an external power supply (3) and a circuit board integrated by an MCU control circuit (6), a display circuit (8), a booster circuit (7) and a word stock circuit (9) are arranged in the shell (1), and an OLED display screen (4) and a key group (5) are arranged on an operation surface of the shell (1); the external power supply (3) provides power for the MCU control circuit (6) and the OLED display screen (4), the external power supply (3) is correspondingly and electrically connected with the OLED display screen (4) through the booster circuit (7), a signal input pin of the OLED display screen (4) is correspondingly and electrically connected with a signal output pin of the display circuit (8), a signal input pin of the display circuit (8) is correspondingly and electrically connected with a signal output pin of the MCU control circuit (6), and an input pin of the MCU control circuit (6) is correspondingly and electrically connected with the key group (5) and the word bank circuit (9); the shell (1) is provided with a protective cover (2) in an external sliding mode.

2. The operating handle for a crane according to claim 1, wherein: the booster circuit (7) is composed of a power supply chip with the model number of TPS61040 and an external loop thereof.

3. The operating handle for a crane according to claim 1, wherein: and the MCU control circuit (6) consists of a single chip microcomputer with the model number of STM32 and a peripheral loop thereof.

4. The operating handle for a crane according to claim 1, wherein: both sides face of casing (1) is equipped with spout (101) along length direction, and spout (101) and the top face of casing (1) correspond the intercommunication, safety cover (2) medial surface is equipped with and corresponds complex slider (201) respectively with two spout (101).

5. The operating handle for a crane according to claim 4, wherein: the utility model discloses a safety protection cover, including spout (101), the tank bottom surface both ends of spout (101) are equipped with a locating hole (102) respectively, the lateral surface of safety cover (2) is equipped with positioning mechanism (10) that can insert in locating hole (102).

6. The operating handle for a crane according to claim 5, wherein: the positioning mechanism (10) comprises a limiting column (1001), a positioning block (1002), a support column (1006), a tilting rod (1005) and a spring (1004), the tail end of the limiting column (1001) correspondingly penetrates through the protective cover (2) and the sliding block (201) and then is correspondingly hinged with the positioning block (1002), the positioning block (1002) is matched and positioned in the positioning hole (102), a baffle (1003) is annularly arranged on a column body at the head end of the limiting column (1001), the column body of the limiting column (1001) is provided with the spring (1004), and two ends of the spring (1004) are correspondingly connected with the baffle (1003) and the outer side face of the protective cover (2) respectively; the head end of the limiting column (1001) is correspondingly hinged to the tail end of the tilting rod (1005), the rod body of the tilting rod (1005) is correspondingly hinged to the head end of the supporting column (1006), and the supporting column (1006) is correspondingly installed on the outer side face of the protection cover (2).