CN220703056U - Throttle allies oneself with accuse mechanism, allies oneself with accuse device and lorry-mounted crane - Google Patents

Abstract

The utility model relates to the technical field of engineering machinery and provides an accelerator combined control mechanism, a combined control device and a lorry-mounted crane, wherein the accelerator combined control mechanism comprises a support, a push rod assembly, a connecting rod, a first pressing plate and a first stay wire, the push rod assembly is movably connected to the support, the first pressing plate is rotatably connected to the support, the connecting rod is used for connecting a valve core of a control valve of a functional component, the connecting rod is hinged with the first pressing plate, the first pressing plate is abutted with the push rod assembly and used for driving the push rod assembly to move relative to the support along with the movement of the valve core, the push rod assembly is connected with the first stay wire, and the first stay wire is also used for being connected with an accelerator. On one hand, the problem of power mismatch caused by manual control can be avoided, energy is saved, on the other hand, the operation is convenient and quick, the operation difficulty and the labor intensity of operators are also reduced, and the operation efficiency is improved.

Description

Throttle allies oneself with accuse mechanism, allies oneself with accuse device and lorry-mounted crane

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to an accelerator combined control mechanism, a combined control device and a lorry-mounted crane.

Background

The truck crane is generally referred to as a truck crane truck, and is simply referred to as a truck crane, and is a device for lifting, turning, lifting and the like of goods through a hydraulic lifting and telescoping system, wherein the actions of functional components, such as a large arm, a small arm and the like, are controlled through control valves, the whole truck crane truck is generally assembled on a truck, and the power of the crane and the truck crane on the truck crane truck is driven by an engine of a chassis of the truck. Along with the rapid rise of logistics transportation industry and the continuous improvement of labor cost, the lorry-mounted crane integrating hoisting and transportation is used as an emerging industry to rapidly rise from engineering machinery, and has very important significance in the aspects of reducing labor intensity, saving labor, reducing logistics cost, accelerating construction speed and the like.

In order to enable the on-vehicle crane to rapidly complete work, an operator generally needs to operate the functional operation handle and the engine throttle controller simultaneously, and the crane can perform specified movements such as amplitude variation, expansion and contraction, rotation, lifting hook, hook retraction and the like through controlling the functional operation handle, and simultaneously operate the throttle controller to change the rotating speed of the engine, so as to control the operation speed of the crane. In the operation process, the size of the accelerator under the working condition can be accurately controlled, so that the maximum working performance of the crane under the working condition can be exerted, and the power of the engine can be well matched with the power required by the system.

However, in the prior art, before an operator is skilled in the operation technology, it is difficult to accurately control the size of the accelerator, so that the power of the chassis engine is difficult to match with the power required by the action of the crane system, the size of the accelerator is inconvenient to regulate, not only is the waste of energy caused, but also the labor intensity of the operator is improved, and the operation efficiency is reduced.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: how to improve the operation efficiency of the lorry-mounted crane.

The utility model provides an accelerator linkage control mechanism which comprises a support, a push rod assembly, a connecting rod, a first pressing plate and a first stay wire, wherein the push rod assembly is movably connected to the support, the first pressing plate is rotatably connected to the support, the connecting rod is used for connecting a valve core of a control valve of a functional component, the connecting rod is hinged with the first pressing plate, the first pressing plate is abutted with the push rod assembly and used for driving the push rod assembly to move relative to the support along with movement of the valve core, the push rod assembly is connected with the first stay wire, and the first stay wire is also used for being connected with an accelerator.

Optionally, the throttle allies oneself with accuse mechanism still includes first action bars, be provided with the round pin axle on the support, first action bars with first clamp plate all rotate connect in the round pin axle, just first action bars hinge in first clamp plate with the hinge joint department of connecting rod.

Optionally, the throttle allies oneself with accuse mechanism still includes second action bars and second clamp plate, the second action bars with the second clamp plate all with the round pin axle rotates to be connected, just the second action bars with the second clamp plate articulates, the second clamp plate butt in push rod subassembly.

Optionally, the throttle allies oneself with accuse mechanism still includes extension board and locating component, the both ends of extension board respectively with the second clamp plate with locating component articulates, locating component is used for to the rotation angle of second clamp plate carries out the step spacing.

Optionally, the locating component is in including connecting in casing on the support and setting up elastic component, stopper and locating piece in the casing, the both ends of elastic component respectively with the casing with the stopper is connected, the locating piece with the extension board is articulated, the extension board is used for driving the locating piece is along with the second clamp plate removes, be provided with the protruding portion on the locating piece, the stopper is kept away from the tip of elastic component is followed the locating piece direction of movement has set gradually a plurality of with the spacing groove of protruding portion looks adaptation.

Optionally, the throttle allies oneself with accuse mechanism still includes conversion component and second and draws the line, two push rod subassembly symmetry set up in the support, first clamp plate respectively with two push rod subassembly butt, two push rod subassembly corresponds respectively and connects two first acting as go-between, conversion component set up in on the support, conversion component with second acts as go-between and two first acting as go-between are connected respectively for with two respectively the displacement of first acting as go-between is converted into the displacement of second acting as go-between, the second acting as go-between with the throttle is connected.

Optionally, the conversion subassembly is including setting up fixed axle on the support and rotate respectively connect in first drive plate and the second drive plate on the fixed axle, first drive plate with second drive plate butt, first drive plate with all be provided with waist type hole on the second drive plate, and respectively through the screw component with waist type hole with first acting as go-between with the second is acted as go-between and is connected.

Optionally, the push rod subassembly includes push rod and otic placode, two the otic placode connect respectively in the upper and lower both ends of push rod, and two the otic placode rotate respectively connect in the upper and lower both ends of support, first clamp plate with the push rod butt, first stay wire with be located the otic placode of push rod lower extreme is connected.

Compared with the prior art, the throttle combined control mechanism provided by the utility model has the following technical effects:

the throttle combined control mechanism provided by the utility model can be applied to the linkage control of a throttle and a functional component in a lorry crane, can be connected with a valve core of a control valve of the functional component in the lorry crane, such as a big arm or a small arm, and the like through the arrangement of a connecting rod, can drive the valve core to move through the connecting rod in the working process of the lorry crane, can control the action of the functional component to perform actions such as amplitude variation, expansion and contraction, rotation, lifting hook, receiving hook and the like by combining with an operator to adjust the control valve, and is rotationally connected with a bracket through the arrangement of the bracket and a first pressing plate, meanwhile, the connecting rod is hinged with the first pressing plate, and then when the connecting rod and the valve core linearly move, the first pressing plate is driven to rotate relative to the bracket, and is connected with the first pressing plate in an abutting manner, and the push rod component is driven to move relative to the bracket when the first pressing plate rotates, simultaneously, the bracket can be fixedly arranged on the base of the lorry-mounted crane, the accelerator of the lorry-mounted crane can also be arranged on the base, and is connected between the push rod assembly and the accelerator by arranging the first stay wire, so that the accelerator can be driven to act through the first stay wire when the push rod assembly moves, for example, the action of increasing or reducing the rotating speed of the engine is realized, the accelerator of the chassis engine of the lorry-mounted crane can be linked with the action of the functional component, namely, the accelerator can be linked and regulated in real time along with the power required by the functional component and can be matched with the power required by the functional component, an operator can drive the accelerator to carry out corresponding power matching through the throttle linkage mechanism only by controlling the functional component without operating the accelerator controller while controlling the functional component, thus, on one hand, the problem of power mismatch caused by manual control can be avoided, the energy is saved, the operation is convenient and quick, the operation difficulty and labor intensity of operators are also reduced, and the operation efficiency is improved.

In addition, the utility model also provides a combined control device, which comprises the throttle combined control mechanism, a control valve and a third operating rod, wherein the control valve is used for being connected with a functional part, the third operating rod is connected with the control valve and used for driving a valve core of the control valve to move, and the valve core is connected with a connecting rod of the throttle combined control mechanism.

Compared with the prior art, the combined control device has the technical effects approximately the same as those of the throttle combined control mechanism by arranging the throttle combined control mechanism, and is not described in detail herein.

In addition, the utility model also provides a lorry-mounted crane which comprises the throttle combined control mechanism and/or the combined control device.

Compared with the prior art, the lorry-mounted crane provided by the utility model has the technical effects approximately the same as those of the throttle combined control mechanism and/or the combined control device by arranging the throttle combined control mechanism and/or the combined control device, and the technical effects are not repeated here.

Drawings

FIG. 1 is a schematic diagram of a throttle linkage control mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a first platen, a connecting rod and a first operating lever according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a first lever according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a push rod assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a second platen, a support plate and a positioning assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a positioning assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a conversion module according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a portion of a conversion assembly according to an embodiment of the present utility model;

fig. 9 is a schematic structural diagram of a coupling control device according to an embodiment of the present utility model.

Reference numerals illustrate:

10-bracket, 11-pin, 20-push rod component, 21-push rod, 22-ear plate, 30-connecting rod, 40-first pressing plate, 50-first pull wire, 60-first operating rod, 71-second operating rod, 72-second pressing plate, 73-support plate, 74-positioning component, 741-shell, 742-elastic piece, 743-limited block, 744-positioning block, 75-fourth operating rod, 80-conversion component, 81-fixed shaft, 82-first transmission plate, 821-waist-shaped hole, 83-second transmission plate, 831-screw piece, 832-baffle plate, 90-second pull wire, 01-control valve, 02-third operating rod and 03-self-resetting throttle module.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

In the description of the present utility model, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used for convenience of description of the present utility model based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus to be referred to must have a specific direction, be configured and manipulated in a specific direction, and thus should not be construed as limiting the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

In order to solve the above technical problems, as shown in fig. 1, the embodiment of the utility model provides an accelerator linkage control mechanism, which comprises a bracket 10, a push rod assembly 20, a connecting rod 30, a first pressing plate 40 and a first pull wire 50, wherein the push rod assembly 20 is movably connected to the bracket 10, the first pressing plate 40 is rotatably connected to the bracket 10, the connecting rod 30 is used for connecting a valve core of a control valve 01 of a functional component, the connecting rod 30 is hinged with the first pressing plate 40, the first pressing plate 40 is abutted with the push rod assembly 20 and used for driving the push rod assembly 20 to move relative to the bracket 10 along with the movement of the valve core, the push rod assembly 20 is connected with the first pull wire 50, and the first pull wire 50 is also used for being connected with an accelerator.

It should be noted that, the bracket 10 may be a frame structure or a plate splicing structure, etc., and may be mounted on a base of the lorry crane, and the control valves 01 of the functional components of the lorry crane may also be mounted on the base, and the number of the control valves 01 may be plural, and may respectively and correspondingly regulate and control the movements of different functional components, such as lifting movements, telescopic movements of the forearm, lifting movements of the hook, etc., accordingly, the control valves 01 may be connected to a hydraulic system, by actuating the functional components by hydraulic pressure, and the hydraulic system gives power to the hydraulic system through a chassis engine, for example, the spool of the control valve 01 moves leftwards as the operator regulates and controls the control valve 01 or is driven by the connecting rod 30, for example, in fig. 9, represents the boom extension movements, rightwards, represents the boom retraction movements, etc., and one end of the connecting rod 30 may be connected to the spool, and the other end may be connected to the first operating rod 60, for example, shown in fig. 2 and 3, to realize the control of the spool movement by the first operating rod 60, and the control valve 01 may be connected to the third operating rod, for example, shown in fig. 9, so that the operator can regulate and control the spool 01 moves quickly and control the spool 01 on both sides of the base of the crane by the connecting rod 30.

Specifically, the first pull wire 50 may be an inner core provided with a steel wire rope structure, and the outside may be provided with a protective sleeve made of soft material, so as to form a control flexible shaft structure, and the outer structure of the control flexible shaft is fixed by a structure such as a support plate, so as to realize the function of pulling and transmitting power by the first pull wire 50, the outer sleeve, that is, the structure of the protective sleeve and the inner core combined can change the direction of the transmitted force and displacement, so that the first pull wire 50 can be arranged according to a certain trend, the installation is convenient, and the first pull wire 50 can be connected with the accelerator of the chassis engine of the lorry crane through other pull wires, for example, the second pull wire 90, the accelerator can be driven to accelerate along with the action of pulling the first pull wire 50, and the lorry crane can be provided with a corresponding self-resetting accelerator module 03, for example, after the pulling force of the first pull wire 50 is removed, the accelerator can be reset through the self-resetting accelerator module 03, and meanwhile, the first pull wire 50 can be displaced and reset, so that the first pull wire 50 is in a state of being in a tight state, and the power can be matched with the required power source can be more successfully matched with the power source by the power source, and the required by the power source can be more successfully matched with the power source.

Further, the moving connection of the push rod assembly 10 and the bracket 10 may be a sliding connection, a rotating connection, a hinging connection, etc., so long as the push rod assembly 20 or the components in the push rod assembly 20 and the bracket 10 can be relatively displaced when the first pressing plate 40 presses the push rod assembly 20, so that the first pull wire 50 connected to the push rod assembly 20 can be driven to perform a pulling action, and after the combined control throttle is completed, the first pull wire 50 is reset through the self-reset throttle module 03, and the push rod assembly 20 can be driven to return to the initial position, so that repeated operations can be performed.

In this embodiment, the throttle linkage control mechanism provided in this embodiment may be applied to linkage control of a throttle and a functional component in a lorry-mounted crane, by providing a connecting rod 30, a valve core of a control valve 01 of the functional component in the lorry-mounted crane, such as a control valve 01 of a big arm or a small arm, may be driven to move by the connecting rod 30 during operation of the lorry-mounted crane, the valve core may be combined with an operator to adjust the control valve to control actions of the functional component, such as amplitude variation, expansion and contraction, rotation, lifting hook, retraction hook, etc., and by providing a bracket 10 and a first pressing plate 40, the first pressing plate 40 is rotationally connected to the bracket 10, and the connecting rod 30 is hinged with the first pressing plate 40, so that when the connecting rod 30 and the valve core linearly move, the first pressing plate is driven to rotate relative to the bracket 10, and is movably connected to the bracket 10 by a push rod assembly 20, and with first clamp plate 40 butt, can press push rod assembly 20 and remove relative support 10 when first clamp plate 40 rotates, simultaneously, support 10 can fixed mounting is on the base of lorry-mounted crane, lorry-mounted crane's throttle also can be installed on the base, through setting up first stay wire 50, and connect between push rod assembly 20 and throttle, make when push rod assembly 20 moves can drive the throttle action through first stay wire 50, for example increase or reduce the action of engine rotational speed, and then can realize that lorry-mounted crane's chassis engine's throttle can carry on the linkage along with the action of functional unit, that is can carry on real-time linkage adjustment along with the required power size of functional unit, and can match with the required power of functional unit, the operator only need to control the functional unit just can drive the throttle through this throttle allies oneself with accuse mechanism and carry on the matching of corresponding power, the throttle controller does not need to be operated while the functional component is controlled, so that the problem of power mismatch caused by manual control can be avoided, energy is saved, the operation is convenient and quick, the operation difficulty and labor intensity of operators are reduced, and the operation efficiency is improved.

Optionally, as shown in fig. 1 to 3, the throttle combined control mechanism further includes a first operating lever 60, a pin 11 is disposed on the bracket 10, the first operating lever 60 and the first pressing plate 40 are both rotatably connected to the pin 11, and the first operating lever 60 is hinged to a hinge position of the first pressing plate 40 and the connecting rod 30.

Specifically, as shown in fig. 3, one end of the first operating lever 60 is a handle structure, and as an operating end, the other end is a connecting end, a pin hole 61 is provided for rotationally connecting with the pin 11, a hinge hole 62 is also provided, and the first operating lever can be hinged with the connecting rod 30 and the first pressing plate 40 through a pin or other structure, of course, the hinge hole 62 is also provided at a position corresponding to the connecting rod 30 and the first pressing plate 40, and the pin hole is also provided on the first pressing plate 40 for rotationally connecting with the pin 11. And, the upper and lower both ends of the pin 11 are connected with the upper and lower both ends of the bracket 10 respectively, and the number of the first operating rod 60, the first pressing plate 40 and the connecting rod 30 can be multiple, and correspondingly set up, the plurality of connecting rods 30 are respectively connected with different control valves 01, and then control different functional components, and simultaneously, the plurality of first pressing plates 40 are all abutted with the push rod assembly 20, and then can be linked with the first pull wire 50, and the linkage control is performed on the throttle.

In this embodiment, when in use, the first operating lever 60 can be broken or pushed, the first operating lever 60 is hinged with the first pressing plate 40 and the connecting rod 30 respectively, meanwhile, the first operating lever 60 is also rotationally connected with the pin shaft 11, and the first pressing plate 40 is rotationally connected with the pin shaft 11, so that the first operating lever 60 can rotate relative to the pin shaft 11 and can drive the first pressing plate 40 to rotate relative to the pin shaft 11, and then the push rod assembly 20 is pressed to drive the first pull wire 50 to act for linkage control of the accelerator, and the rotation of the first operating lever 60 relative to the pin shaft 11 can drive the connecting rod 30 to generate linear displacement and further drive the valve core of the control valve 01 to act, so that the functional components can be simultaneously controlled, the structure design is reasonable, the operation is convenient, and the improvement of the operation efficiency is facilitated.

Alternatively, as shown in fig. 1 and 4, the push rod assembly 20 includes a push rod 21 and an ear plate 22, two ear plates 22 are respectively connected to the upper and lower ends of the push rod 21, two ear plates 22 are respectively rotatably connected to the upper and lower ends of the support 10, the first pressing plate 40 abuts against the push rod 21, and the first pull wire 50 is connected to the ear plate 22 located at the lower end of the push rod 21.

Specifically, the upper and lower ends of the push rod 21 are respectively connected to the middle parts of the two ear plates 22, one end of the ear plate 22 is rotatably connected with the bracket 10 through a structure such as a shaft sleeve and a pin, and the other end of the ear plate 22 located at the lower end of the push rod 21 can be connected and fixed with the end part of the first pull wire 50 through a structure such as a pin and a screw, however, the push rod assembly 20 can also have other structures, for example, a sliding groove is correspondingly formed on the upper and lower end plates of the bracket 10, the upper and lower ends of the push rod 21 are respectively slidably connected in the two sliding grooves, and the purpose that the first pull wire 50 can be driven to act when the first pressing plate 40 presses the push rod 21 can be achieved.

In this embodiment, through setting the push rod assembly 20 to the structure that the two ends of the push rod 21 are respectively connected with the ear plates 22, and the ear plates 22 are rotationally connected with the support 10, when the push rod 21 is pressed by the first pressing plate 40 to generate linear displacement, the push rod 21 can drive the ear plates 22 to rotate relative to the support 10, and then the ear plates 22 drive the first stay wire 50 to generate motion, so that the linkage control of the accelerator is performed, and the structure is simple, the design is reasonable, the operation is convenient, and the motion is smooth without jamming.

Optionally, as shown in fig. 1 and 5, the throttle combined control mechanism further includes a second operating rod 71 and a second pressing plate 72, where the second operating rod 71 and the second pressing plate 72 are both rotationally connected with the pin 11, and the second operating rod 71 is hinged to the second pressing plate 72, and the second pressing plate 72 is abutted against the push rod assembly 20.

Specifically, as shown in fig. 9, a fourth operating rod 75 may be further disposed at the other end of the base of the lorry-mounted crane, and the second operating rod 71 and the fourth operating rod 75 at two ends of the base are connected by a connecting rod 30, and the connecting rod 30 is hinged to the second operating rod 71 and the fourth operating rod 75, that is, when the second operating rod 71 and the fourth operating rod 75 are broken or pushed, the connecting rod 30 is driven to linearly move, so as to form linkage of the second operating rod 71 and the fourth operating rod 75, and further an operator can control the throttle no matter which side of the base is controlled by the second operating rod 71 or the fourth operating rod 75, so that the operation is facilitated. The link 30 connecting the second lever 71 and the fourth lever 75 is not connected to the control valve 01 which is a functional part, but is used for controlling the throttle alone.

In this embodiment, through setting up second action bars 71 and second clamp plate 72, and all rotate with round pin axle 11 and be connected, second clamp plate 72 still with push rod assembly 20 butt, and then when controlling second action bars 71, can drive second clamp plate 72 and rotate in the lump, and then press push rod assembly 20 to drive first acting on the line 50 action, regulation and control of throttle, and then can be when actual operation needs, for example when the power that needs to increase the throttle alone, the accessible second action bars 71 carry out independent regulation and control to the throttle, satisfy actual operation needs, improve the operating efficiency.

Optionally, as shown in fig. 1 and fig. 5, the throttle combined control mechanism further includes a support plate 73 and a positioning assembly 74, two ends of the support plate 73 are respectively hinged to the second pressing plate 72 and the positioning assembly 74, and the positioning assembly 74 is used for performing step limiting on a rotation angle of the second pressing plate 72.

Specifically, the positioning assembly 74 may limit the position of the second pressing plate 72 relative to the rotation position of the pin 11 by, for example, providing a plurality of limiting grooves or other limiting structures at different positions, that is, the positioning assembly 74 may enable the second pressing plate 72 to stay at different positions, so that the first wire 50 stays at different positions, and simultaneously enable the throttle to be in and stay at different power gear positions, for example, a neutral gear and a low gear, a middle gear, a high gear, a special gear at an initial position, and may be matched with different operation requirements.

In this embodiment, through setting up extension board 73 and locating component 74, the both ends of extension board 73 still articulate with second clamp plate 72 and locating component 74 respectively, when controlling second action bars 71 and driving second clamp plate 72 and rotating relative round pin axle 11, second clamp plate 72 can drive extension board 73 and remove when pressing push rod assembly 20 and remove, extension board 73 drives locating component 74 action simultaneously, can carry out the step spacing to the rotation angle of second clamp plate 72 through locating component 74 simultaneously, and then make the accessible control second action bars 71 realize the step to the throttle, can regulate and control in real time and match the engine power that actual operation needs, further improved the operating efficiency.

Alternatively, as shown in fig. 1, 5 and 6, the positioning assembly 74 includes a housing 741 connected to the bracket 10, an elastic member 742, a limiting block 743 and a positioning block 744 disposed in the housing 741, two ends of the elastic member 742 are respectively connected to the housing 741 and the limiting block 743, the positioning block 744 is hinged to the supporting plate 73, the supporting plate 73 is used for driving the positioning block 744 to move along with the second pressing plate 72, a protrusion is disposed on the positioning block 744, and a plurality of limiting grooves adapted to the protrusion are sequentially disposed on an end portion of the limiting block 743 away from the elastic member 742 along a moving direction of the positioning block 744.

Specifically, the casing 741 is connected with structures such as a support or a vertical plate on the support 10 to form a mounting structure for limiting and mounting the elastic pieces 742, the limiting blocks 743 and the positioning blocks 744, the elastic pieces 742 are springs, the number of the elastic pieces is two, grooves for mounting and fixing the springs are formed in the casing 741, the springs are arranged in the grooves, the structure is more stable, the cross section of the limiting grooves on the limiting blocks 743 and the cross section of the protruding parts on the positioning blocks 744 are triangular, and the protruding parts are rounded, so that the protruding parts can be conveniently moved into the other limiting grooves, and the operation is more labor-saving.

In this embodiment, through setting up casing 741 and being connected with support 10, can be used to install and fix elastic component 742, stopper 743 and locating piece 744, and through the setting of connection and position between above-mentioned elastic component 742, stopper 743 and locating piece 744, when not operating second action bars 71, that is, when second clamp plate 72, extension board 73 and locating piece 744 all do not move, elastic component 742 pushes up stopper 743 to the position department of locating piece 744 through self elasticity, that is, the protruding position is motionless in the spacing groove, at this moment, the position of second clamp plate 72 is limited to through the cooperation of protruding portion and spacing groove, that is, the position of first push plate 72 has been limited to the power gear of throttle has been further limited, when driving the locating piece 744 and moving along stopper 743 through controlling second action bars 71, the power of steerable second action bars 71 offsets the elastic component 742 to stopper 743, and then make protruding portion slide into adjacent spacing inslot from a spacing inslot through elasticity, after releasing second action bars 71, the protruding portion can stop in the spacing groove is realized in order to further to realize that the elasticity is stopped in the spacing groove according to the need more that the throttle is required to the operation is realized.

Optionally, as shown in fig. 1 and fig. 7, the throttle combined control mechanism further includes a conversion assembly 80 and a second pull wire 90, where the two push rod assemblies 20 are symmetrically disposed on the support 10, the first pressing plate 40 is respectively abutted against the two push rod assemblies 20, the two push rod assemblies 20 are respectively correspondingly connected with the two first pull wires 50, the conversion assembly 80 is disposed on the support 10, and the conversion assembly 80 is respectively connected with the second pull wire 90 and the two first pull wires 50, so as to respectively convert the displacement of the two first pull wires 50 into the displacement of the second pull wire 90, and the second pull wire 90 is connected with the throttle.

Specifically, the two push rod assemblies 20 are symmetrically disposed with respect to the pin 11, the middle portion of the first pressing plate 40 is rotationally connected with the pin 11, two ends of the first pressing plate 40 are respectively abutted against the push rods 21 of the two push rod assemblies 20, that is, regardless of the rotation direction of the first pressing plate 40 with respect to the pin 11, one of the push rod assemblies 20 can be pressed to move, meanwhile, the converting assembly 80 is configured to convert the pulling action of the two first pull wires 50 into the pulling action of the one second pull wire 90, that is, regardless of which first pull wire 50 is pulled, the second pull wire 90 can be driven to act so as to control the throttle, and the second pull wire 90 is connected with the knob of the self-resetting throttle module 03, and the throttle is controlled by pulling the knob of the self-resetting module 03 through the rotation of the second pull wire 90.

In this embodiment, the two push rod assemblies 20 are symmetrically arranged, and the first pressing plate 40 is respectively abutted against the two push rod assemblies 20, so that one push rod assembly 20 can be pressed to move no matter which direction the first pressing plate 40 rotates, and then one first pull wire 50 is driven to move, that is, no matter how the valve core of the control valve 01 of the functional component moves or how the connecting rod 30 moves, the throttle can be driven to operate with corresponding power, the linkage control is more reasonable, and the respective actions of the two first pull wires 50 can be converted into the corresponding actions and the displacement of the second pull wire 90 by arranging the conversion assembly 80, so that the throttle is driven to operate, the structure is more reasonable, and the operation is smoother and more stable.

Alternatively, as shown in fig. 1, 7 and 8, the conversion assembly 80 includes a fixed shaft 81 disposed on the bracket 10, and a first transmission plate 82 and a second transmission plate 83 rotatably connected to the fixed shaft 81, where the first transmission plate 82 is abutted to the second transmission plate 83, and waist-shaped holes 821 are disposed on the first transmission plate 82 and the second transmission plate 83, and are connected to the first pull wire 50 and the second pull wire 90 through screw members 831 and the waist-shaped holes 821, respectively.

Specifically, the fixing shaft 81 may be a screw or pin structure, and is vertically connected to the lower end plate of the bracket 10, the number of the first driving plates 82 is two, the first driving plates 50 are respectively connected, the two first driving plates 82 are respectively located at two opposite sides of the second driving plate 83, the second driving plate 83 is fixed with a baffle 832, the two first driving plates 82 are respectively abutted with the baffle 832, when the first driving plates 82 rotate relative to the fixing shaft 81, the second driving plates 83 are driven to rotate, the first driving plates 50 and the second driving plates 90 are respectively located at two opposite sides of the baffle 832, the threaded members 831 may be in a structure of screws and nuts, the length directions of the waist-shaped holes 821 are respectively arranged along the length directions of the first driving plates 82 and the second driving plates 83, and the positions of the first driving plates 50 or the second driving plates 90 connected to the first driving plates 82 or the second driving plates 83 can be adjusted by adjusting the positions of the threaded members 831 in the waist-shaped holes 821.

In this embodiment, through setting the conversion assembly 80 to the structure that the first transmission plate 82 and the second transmission plate 83 are both rotationally connected to the fixed shaft 81, the two first transmission plates 82 can be connected to the two first pull wires 50, the second transmission plate 83 is connected to the second pull wires 90, and through the abutting connection of the first transmission plate 82 and the second transmission plate 83, when the first pull wires 50 are pulled, the first transmission plate 82 is driven to rotate, the second transmission plate 83 is driven to rotate by rotation of the first transmission plate 82, and then the second pull wires 90 are pulled, namely, the linear displacement of the first transmission plate 82 and the second transmission plate 83 is converted into the linear displacement of the second pull wires 90, the conversion of the actions is completed, and through the position of the first transmission plate 82 and the second transmission plate 83 in the waist-shaped hole 821 matched with the threaded piece 831, the position of the first pull wires 50 or the second transmission plate 82 is adjusted, that is connected to the first transmission plate 82 or the second transmission plate 83 is also adjusted, that is more precisely, the power is converted into the linear displacement of the second transmission plate 83, and the power is more precisely adjusted, and the power is more than the power is converted into the linear displacement of the first transmission plate 82.

In addition, as shown in fig. 3 and 7, another embodiment of the present utility model provides a combined control device, including the above-mentioned throttle combined control mechanism, and further including a control valve 01 and a third operating lever 02, where the control valve 01 is used for connecting with a functional component, the third operating lever 02 is connected with the control valve 01, and is used for driving a valve core of the control valve 01 to move, and the valve core is connected with a connecting rod 30 of the throttle combined control mechanism.

The number of the third levers 03 may be plural and may correspond to the number of the control valves 01, and the connection between the third levers 03 and the control valves 01 may be controlled by manipulating the third levers 03, for example, pulling the third levers 03 during the fixed connection and controlling the control valves 01 by pulling the third levers 03 during the hinge connection, and the like, and the connection is not particularly limited herein. And the third operating rod 03 and the first operating rod 60 are respectively positioned at two opposite ends of the base of the lorry-mounted crane, and an operator can respectively or simultaneously control the third operating rod 03 and the first operating rod 60 so as to realize linkage control of the functional component and the accelerator, thereby being more convenient and quicker in operation.

In this embodiment, the technical effect of the combined control device provided in this embodiment is approximately the same as that of the throttle combined control mechanism described above by setting the throttle combined control mechanism described above, and is not described herein, in addition, the combined control device controls the action of the control valve 01 by controlling the third operating lever 02 and the control valve 01, and drives the valve core of the control valve 01 to move at the same time, and drives the connecting rod 30 to move by connecting the valve core with the connecting rod 30, so that the throttle can be driven by the throttle combined control mechanism, that is, the operator can control the action of the functional component and the action of the throttle at the same time by controlling the third operating lever 02, that is, the engine power of the lorry crane is matched with the power required by the functional component in a real-time combined control manner, so that the operation is more convenient and fast, and the operation efficiency of the lorry crane is further improved.

In addition, another embodiment of the utility model provides a lorry-mounted crane, which comprises the throttle linkage control mechanism and/or the linkage control device.

In this embodiment, by setting the throttle linkage and/or the linkage device, the lorry-mounted crane provided in this embodiment has the technical effects substantially the same as those of the throttle linkage and/or the linkage device, and will not be described herein.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a throttle allies oneself with accuse mechanism, its characterized in that includes support (10), push rod subassembly (20), connecting rod (30), first clamp plate (40) and first acting as go-between (50), push rod subassembly (20) remove connect in support (10), first clamp plate (40) rotate connect in support (10), connecting rod (30) are used for connecting the case of control valve (01) of functional unit, just connecting rod (30) with first clamp plate (40) are articulated, first clamp plate (40) with push rod subassembly (20) butt is used for driving along with the removal of case push rod subassembly (20) are relative support (10) remove, push rod subassembly (20) with first acting as go-between (50) are connected, first acting as go-between (50) still are used for being connected with the throttle.

2. The throttle linkage according to claim 1, further comprising a first operating lever (60), wherein a pin shaft (11) is provided on the bracket (10), the first operating lever (60) and the first pressing plate (40) are both rotatably connected to the pin shaft (11), and the first operating lever (60) is hinged to the hinge of the first pressing plate (40) and the connecting rod (30).

3. The throttle linkage control mechanism according to claim 2, further comprising a second operating lever (71) and a second pressing plate (72), wherein the second operating lever (71) and the second pressing plate (72) are both rotatably connected with the pin shaft (11), and the second operating lever (71) is hinged with the second pressing plate (72), and the second pressing plate (72) is abutted to the push rod assembly (20).

4. The throttle combined control mechanism according to claim 3, further comprising a support plate (73) and a positioning assembly (74), wherein two ends of the support plate (73) are respectively hinged with the second pressing plate (72) and the positioning assembly (74), and the positioning assembly (74) is used for limiting the rotation angle of the second pressing plate (72) in a stepping mode.

5. The throttle allies oneself with accuse mechanism according to claim 4, characterized in that, locating component (74) including connect in casing (741) on support (10) and set up elastic component (742), stopper (743) and locating piece (744) in casing (741), both ends of elastic component (742) respectively with casing (741) with stopper (743) are connected, locating piece (744) with extension board (73) are articulated, extension board (73) are used for driving locating piece (744) follow second clamp plate (72) remove, be provided with the protruding portion on locating piece (744), the tip that stopper (743) kept away from elastic component (742) is followed locating piece (744) direction of movement is provided with a plurality of with protruding portion looks adaptation spacing groove in proper order.

6. The throttle linkage according to claim 1, further comprising a conversion assembly (80) and a second stay wire (90), wherein the two push rod assemblies (20) are symmetrically arranged on the support (10), the first pressing plates (40) are respectively abutted to the two push rod assemblies (20), the two push rod assemblies (20) are respectively correspondingly connected with the two first stay wires (50), the conversion assembly (80) is arranged on the support (10), the conversion assembly (80) is respectively connected with the second stay wire (90) and the two first stay wires (50) and is used for respectively converting the displacement of the two first stay wires (50) into the displacement of the second stay wire (90), and the second stay wires (90) are connected with the throttle.

7. The throttle linkage according to claim 6, wherein the conversion assembly (80) comprises a fixed shaft (81) arranged on the bracket (10) and a first transmission plate (82) and a second transmission plate (83) which are respectively connected to the fixed shaft (81) in a rotating manner, the first transmission plate (82) is abutted to the second transmission plate (83), waist-shaped holes (821) are formed in the first transmission plate (82) and the second transmission plate (83), and the first pull wire (50) and the second pull wire (90) are respectively connected with the waist-shaped holes (821) through threaded pieces (831).

8. The throttle linkage according to claim 1, wherein the push rod assembly (20) comprises a push rod (21) and an ear plate (22), wherein two ear plates (22) are respectively connected to the upper end and the lower end of the push rod (21), the two ear plates (22) are respectively rotatably connected to the upper end and the lower end of the bracket (10), the first pressing plate (40) is abutted to the push rod (21), and the first stay wire (50) is connected with the ear plate (22) located at the lower end of the push rod (21).

9. The combined control device is characterized by comprising the throttle combined control mechanism according to any one of claims 1 to 8, and further comprising a control valve (01) and a third operating rod (02), wherein the control valve (01) is used for being connected with a functional component, the third operating rod (02) is connected with the control valve (01) and used for driving a valve core of the control valve (01) to move, and the valve core is connected with a connecting rod (30) of the throttle combined control mechanism.

10. A lorry-mounted crane comprising a throttle coupling as claimed in any one of claims 1 to 8 and/or a coupling as claimed in claim 9.