CN216957271U

CN216957271U - Adjustable stone throwing machine

Info

Publication number: CN216957271U
Application number: CN202220471986.0U
Authority: CN
Inventors: 杨华富; 龚道川
Original assignee: Sichuan Shengde Door Control Technology Co ltd
Current assignee: Sichuan Shengde Door Control Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-12
Anticipated expiration: 2032-03-03

Abstract

The application discloses an adjustable stone projector which comprises a support frame, wherein a projection mechanism is arranged on the support frame; wherein throw the mechanism including articulating the transmission pole on the support frame, the transmission pole can rotate around the pin joint of transmission pole and support frame, and the first face of transmission pole can be dismantled and is connected with the tray, and the position of tray in first face is adjustable, and first face is for launching the top surface at pole length direction place along transmission pole on the pole, is provided with a plurality of scale marks along its length direction in the first face, and this application has the advantage that can accurate control stone throw distance, simple operation.

Description

Adjustable stone throwing machine

Technical Field

The application relates to the technical field of stone throwers, in particular to an adjustable stone thrower.

Background

The stone throwing machine that has ordinary now adopts gravity as the power supply, increases the acceleration distance of stone through increase radius of rotation to obtain very big acceleration, but according to the difference of in service behavior, the stone throwing machine need throw the throw distance scope of stone and be different, and present stone throwing machine controls throw distance through control gravity source size, and control is inaccurate, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a main aim at provides a stone projector with adjustable aims at solving current stone projector and throws the inaccurate technical problem of distance control to the stone.

In order to achieve the above object, the present application provides an adjustable stone projector, which includes a support frame, wherein a projection mechanism is arranged on the support frame; wherein throw the mechanism including articulating the transmission pole on the support frame, the transmission pole can rotate around the pin joint of transmission pole and support frame, and the first face of transmission pole can be dismantled and is connected with the tray, and the position of tray in the first face is adjustable, and first face is for the top surface at transmission pole length direction place on the transmission pole, is provided with a plurality of scale marks along its length direction on the first face.

Optionally, the bottom of the launching rod is hinged with a telescopic mechanism, the telescopic mechanism comprises a cylinder hinged on the support frame, a piston rod is arranged in the cylinder, one end of the piston rod extends out of the cylinder and is hinged at the bottom of the launching rod, and a power cavity is defined between the inside of the cylinder and the piston rod.

Optionally, the telescopic mechanism further comprises a piston block which is located in the cylinder barrel and can slide along the inner wall of the cylinder barrel, the piston block is connected with the piston rod, a guide seat, an oil seal, a limiting sleeve and a sealing ring are sequentially arranged in the cylinder barrel, the movable sleeve is sleeved on the piston rod, the sealing ring can be in contact with the piston block, and the guide seat is located on one side close to the end portion of the cylinder barrel.

Optionally, the device further comprises a resetting mechanism, the resetting mechanism comprises a first pulley block detachably connected to the bottom of the launching rod, a second pulley block is arranged at the bottom of the supporting frame, and a pull rope is wound between the first pulley block and the second pulley block.

Optionally, the support frame includes two sets of scissor brackets, a first movable shaft is movably connected between the intersections of the two sets of scissor brackets, a second movable shaft is movably connected between the tops of the two sets of scissor brackets located on the same side, the launching rod is hinged on the second movable shaft, a third movable shaft is also movably connected between the two sets of scissor brackets, and the cylinder is hinged on the third movable shaft.

Optionally, the tops of the two groups of fork frames are hinged to form a frame, the projection mechanism is located in the frame, a first locking mechanism is arranged at one end, away from the second movable shaft, of the frame, a second locking mechanism is arranged at one end, away from the second movable shaft, of the launching rod, and the second locking mechanism is used for being matched with the first locking mechanism for locking.

Optionally, the first locking mechanism includes a suspension bracket arranged at the bottom of the frame, a locking sleeve is arranged at the bottom of the suspension bracket, the second locking mechanism includes a guide sleeve connected with the launching rod, a self-locking rod is movably arranged in the guide sleeve, the self-locking rod can extend into the locking sleeve, a limiting boss is arranged on the self-locking rod, a compression spring between the limiting boss and the launching rod is sleeved on the self-locking rod, and one end of the self-locking rod extending out of the guide sleeve is a spherical end.

Optionally, the suspension bracket is provided with an unlocking mechanism, the unlocking mechanism comprises a push rod movably extending into the locking sleeve and capable of contacting with the self-locking rod, one end of the push rod, which is located outside the locking sleeve, is hinged with a lever, the suspension bracket is provided with a support seat located above the push rod, and the lever is hinged on the support seat.

Optionally, still include the base, can dismantle on the base and be provided with a plurality of groups supporting seat, the support frame bottom articulates on corresponding supporting seat.

Optionally, the base bottom is provided with multiunit fixed establishment, and fixed establishment is including connecting the support in the base bottom, and the support bottom is provided with the ground nail.

The beneficial effect that this application can realize is as follows:

this application can dismantle the connection on the launching rod through the tray with splendid attire stone, according to the difference to stone throw distance, the adjustment tray is at the different mounted position of launching rod, can accurately find mounted position according to the scale mark on the launching rod during installation simultaneously, under the unanimous condition of initial speed of keeping the launching rod rotation to can realize throwing the distance with the accurate control stone through the mounted position of accurate adjustment tray on the launching rod, be convenient for adjustment and operation.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings that are needed in the detailed description of the present application or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural diagram of an adjustable rock-throwing machine according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of another perspective of an adjustable rock-throwing machine according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of an adjustable rock-thrower in a projecting state according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of an adjustable stone thrower in a folded state according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a telescoping mechanism in an embodiment of the present application;

FIG. 6 is a schematic view of a connection of a first locking mechanism, a second locking mechanism and an unlocking mechanism in an embodiment of the present application;

fig. 7 is a schematic cross-sectional view of a first locking mechanism, a second locking mechanism and a push rod connection in an embodiment of the present application.

Reference numerals are as follows:

110-support frame, 111-scissor frame, 112-first movable shaft, 113-second movable shaft, 114-third movable shaft, 115-frame, 120-projection mechanism, 121-emission rod, 1211-graduation line, 122-tray, 130-telescopic mechanism, 131-cylinder barrel, 132-piston rod, 133-power cavity, 134-piston block, 135-guide seat, 136-oil seal, 137-limit sleeve, 138-sealing ring, 140-reset mechanism, 141-first pulley block, 142-second pulley block, 143-pull rope, 150-hook, 160-first locking mechanism, 161-suspension frame, 162-locking sleeve, 170-second locking mechanism, 171-guide sleeve, 172-self-locking rod, 173-limit boss, 174-compression spring, 180-unlocking mechanism, 181-push rod, 182-lever, 183-support, 190-base, 191-through hole, 210-support seat, 220-guide rail, 230-fixing mechanism, 231-support and 232-ground nail.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

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

It should be noted that all the directional indications (such as up, down, left, right, front, and back … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Examples

Referring to fig. 1 to 7, the present embodiment provides an adjustable stone projector, which includes a supporting frame 110, wherein a projection mechanism 120 is disposed on the supporting frame 110; the projection mechanism 120 includes a transmitting rod 121 hinged to the supporting frame 110, the transmitting rod 121 can rotate around a hinge point between the transmitting rod 121 and the supporting frame 110, a tray 122 is detachably connected to a first surface of the transmitting rod 121, a position of the tray 122 on the first surface is adjustable, the first surface is a top surface of the transmitting rod 121 located along a length direction of the transmitting rod 121, and a plurality of scale lines 1211 are arranged on the first surface along the length direction of the first surface.

In this embodiment, can dismantle the connection on launching rod 121 through tray 122 with the splendid attire stone, according to the difference to stone throw distance, adjustment tray 122 is at the different mounted position of launching rod 121, can accurately find mounted position according to scale mark 1211 on launching rod 121 during the installation simultaneously, under the unanimous condition of initial velocity of rotation of launching rod 121, thereby can realize throwing distance with the accurate control stone through the mounted position of accurate adjustment tray 122 on launching rod 121, be convenient for adjustment and operation, after adjusting tray 122 position, then make launching rod 121 rotate, thereby drive tray 122 throws the stone, realize throwing to the stone.

It should be noted that, in this embodiment, a mounting hole may be formed in the bottom of the tray 122, the tray 122 may be fixed at different positions of the launching rod 121 by the mounting hole corresponding to the matched screw, so as to implement detachable connection, a slide rail may also be disposed on the launching rod 121, the tray 122 may be slidably disposed on the launching rod 121, and after sliding to the corresponding position, the tray 122 may be fixed by the screw or other limiting mechanism.

As an optional implementation mode, a telescopic mechanism 130 is hinged to the bottom of the launching rod 121, the telescopic mechanism 130 comprises a cylinder 131 hinged to the support frame 110, a piston rod 132 is arranged in the cylinder 131, one end of the piston rod 132 extends out of the cylinder 131 and is hinged to the bottom of the launching rod 121, and a power chamber 133 is defined between the inside of the cylinder 131 and the piston rod 132. The telescoping mechanism 130 further comprises a piston block 134 which is located in the cylinder 131 and can slide along the inner wall of the cylinder 131, the piston block 134 is connected with the piston rod 132, a guide seat 135, an oil seal 136, a limit sleeve 137 and a seal ring 138 which are movably sleeved on the piston rod 132 are sequentially arranged in the cylinder 131, the seal ring 138 can be in contact with the piston block 134, and the guide seat 135 is located on one side close to the end portion of the cylinder 131.

In this embodiment, when the firing rod 121 needs to be driven to rotate, a pressure medium, such as air or hydraulic oil, is input into the power chamber 133 in the cylinder 131 to push the piston block 134 and the piston rod 132 to be pushed out, so as to drive the firing rod 121 to rotate, it should be noted that the cylinder 131 is connected to an inflating device (not shown in the figure) through an air pipe, and the inflating device is pressed manually to provide an instantaneous explosive force to the piston rod 132, so that the firing rod 121 has an initial speed when a stone is ejected.

In addition, it should be noted that the pressure medium input into the power cavity 133 is preferably air, and the air is used as a gas power source, which is stable, so that when the device is used in mountainous areas and other places where electricity cannot be used, the device is not easily affected by the ambient temperature, humidity, air salinity and the like, and can be normally used in extreme environments, and tests show that the device can normally work under the conditions of-40 ℃ to 80 ℃, meet the temperature conditions of all areas in the north to the south of China, can normally work under the conditions of high salt spray and high humidity, meet special operational environments such as seaside and deep mountains, and has a wide application range.

As an optional embodiment, the device further comprises a reset mechanism 140, wherein the reset mechanism 140 comprises a first pulley block 141 detachably connected to the bottom of the firing rod 121, a second pulley block 142 is arranged at the bottom of the supporting frame 110, and a pull rope 143 is wound between the first pulley block 141 and the second pulley block 142.

Because in order to adapt to no electric service environment, if the special gas power source that adopts is as pressure medium, input gas in the cylinder 131 through the manpower during the stone throwing, after the use, can't make piston rod 132 shrink into the cylinder 131 through electric control in order to make the shooting rod 121 reset, consequently still need use in addition the canceling release mechanical system 140 of manpower control in order to drive the shooting rod 121 rotation and reset, consequently in this embodiment, after the use, can install first assembly pulley 141 toward the corresponding position of shooting rod 121, then adopt many stay cords 143 to bypass first assembly pulley 141 and second assembly pulley 142 simultaneously and pull out from one end, pull the stay cord 143 in order to pull down the shooting rod 121 to the horizontality through the manpower, piston rod 132 also automatic retraction is in the cylinder 131 this moment, realize the manpower and reset.

It should be noted that, here, the pulling rope 143 is wound around the first pulley block 141 and the second pulley block 142 to form a labor-saving structure, which facilitates pulling down the shooting rod 121. When the projectile is needed, the first pulley block 141 needs to be detached from the launching rod 121. The first pulley block 141 and the second pulley block 142 can be detachably connected to the launching rod 121 and the support bracket 110 by bolts or clamping structures, and the like, which should not be limited herein.

As an alternative embodiment, the supporting frame 110 includes two sets of fork shearing frames 111, a first movable shaft 112 is movably connected between the intersections of the two sets of fork shearing frames 111, a second movable shaft 113 is movably connected between the tops of the two sets of fork shearing frames 111 located on the same side, the launching rod 121 is hinged on the second movable shaft 113, a third movable shaft 114 is also movably connected between the two sets of fork shearing frames 111, and the cylinder 131 is hinged on the third movable shaft 114.

In this embodiment, the two fork frames 111 are hinged and can rotate and fold around the first movable shaft 112, so as to fold and fold the whole support frame 110, and when not in use, the support frame can be conveniently folded together without occupying space, thereby facilitating transportation and storage. It should be noted that the piston rod 132 and the firing rod 121 can be connected by a bolt to form a detachable connection structure, and the piston rod 132 is detached from the firing rod 121 during folding, so as to further improve the folding degree.

It should be noted that a fourth movable shaft may be hinged between the bottoms of the fork arms 111, and the second pulley block 142 is hinged on the fourth movable shaft.

As an alternative embodiment, the top of the two fork sets 111 is hinged with a frame 115, the projection mechanism 120 is located in the frame 115, one end of the frame 115 away from the second movable shaft 113 is provided with a first locking mechanism 160, one end of the firing rod 121 away from the second movable shaft 113 is provided with a second locking mechanism 170, and the second locking mechanism 170 is used for being matched and locked with the first locking mechanism 160.

In this embodiment, when not in use, one end of the launching rod 121 can be locked to the first locking mechanism 160 of the frame 115 through the second locking mechanism 170 to support the launching rod 121, so as to avoid the large bearing pressure of the telescopic mechanism 130 caused by supporting the launching rod 121 completely through the telescopic mechanism 130, reduce the burden of the telescopic mechanism 130, and prolong the service life of the telescopic mechanism 130.

As an alternative embodiment, the first locking mechanism 160 includes a suspension frame 161 disposed at the bottom of the frame 115, a locking sleeve 162 is disposed at the bottom of the suspension frame 161, the second locking mechanism 170 includes a guide sleeve 171 connected to the firing rod 121, a self-locking rod 172 is movably disposed in the guide sleeve 171, the self-locking rod 172 may extend into the locking sleeve 162, a limiting boss 173 is disposed on the self-locking rod 172, a compression spring 174 located between the limiting boss 173 and the firing rod 121 is sleeved on the self-locking rod 172, and an end of the self-locking rod 172 extending out of the guide sleeve 171 is a spherical end.

In this embodiment, when locking operation is performed, the transmitting rod 121 is rotated downward, so that the tail end of the transmitting rod 121 contacts with the locking sleeve 162 from the spherical end of the locking rod 172, the locking rod 172 is extruded and contracted into the guide sleeve 171, and the spherical end of the locking rod 172 automatically slides into the locking sleeve 162 due to the transition effect of the spherical end, so that the compression spring 174 drives the locking rod 172 to automatically extend into the locking sleeve 162, thereby realizing automatic locking effect and being convenient and fast to operate.

As an alternative embodiment, the hanging frame 161 is provided with an unlocking mechanism 180, the unlocking mechanism 180 includes a push rod 181 movably extending into the locking sleeve 162 and capable of contacting with the self-locking rod 172, one end of the push rod 181 located outside the locking sleeve 162 is hinged to a lever 182, the hanging frame 161 is provided with a support 183 located above the push rod 181, and the lever 182 is hinged to the support 183.

In this embodiment, when the locking device needs to be used, the unlocking mechanism 180 can be used to unlock the first locking mechanism 160 and the second locking mechanism 170, and during specific operation, the lever 182 is pulled outwards to drive the push rod 181 to slide towards the locking sleeve 162 until the self-locking rod 172 is pushed out of the locking sleeve 162, so that the connection between the second locking mechanism 170 and the locking sleeve 162 can be quickly disconnected, and the locking of the launching rod 121 can be unlocked.

As an optional implementation mode, the device further comprises a base 190, a plurality of groups of supporting seats 210 are detachably arranged on the base 190, and the bottom of the supporting frame 110 is hinged to the corresponding supporting seat 210.

In this embodiment, the base 190 is used for being fixed on the ground, the supporting seat 210 can be detachably connected to the base 190 through bolts, the extending height of the fork frame 111 can be adjusted by adjusting different installation distances of the supporting seat 210 on the base 190, so as to adjust the projecting height of the projecting mechanism 120, the use is flexible, when the folding is needed, the fixing function of the supporting seat 210 on the base 190 is released through the disassembly, then the supporting seat 210 slides towards the two sides of the base 190 until the fork frame 111 is completely folded, and after the folding, the supporting seat 210 is fixed on the base 190 through fasteners such as bolts, so as to be transported integrally in the following process.

As an alternative embodiment, a plurality of sets of fixing mechanisms 230 are arranged at the bottom of the base 190, the fixing mechanisms 230 comprise brackets 231 connected to the bottom of the base 190, ground nails 232 are arranged at the bottoms of the brackets 231, the ground nails 232 are used for being driven into the ground, so that the fixing effect of the whole stone throwing machine on the ground is improved through the fixing mechanisms 230, and the ground nails 232 can be in a screw structure and can be screwed into the ground through a drill bit.

In application, the device can be used as a physical experiment simulation device for teaching, and can also be used as special scenes such as mountainous areas, frontier defense and the like.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. An adjustable stone projector is characterized by comprising a support frame, wherein a projection mechanism is arranged on the support frame; wherein the content of the first and second substances,

the projection mechanism comprises a transmission rod hinged to the support frame, the transmission rod can rotate around the hinge point of the transmission rod and the support frame, a tray is detachably connected to the first surface of the transmission rod, the position of the tray on the first surface is adjustable, the first surface is the top surface of the transmission rod, where the length direction of the transmission rod is located, and a plurality of scale marks are arranged on the first surface along the length direction of the transmission rod.

2. The adjustable stone projector as claimed in claim 1, wherein the bottom of the launching rod is hinged with a telescopic mechanism, the telescopic mechanism comprises a cylinder hinged on the supporting frame, a piston rod is arranged in the cylinder, one end of the piston rod extends out of the cylinder and is hinged at the bottom of the launching rod, and a power cavity is defined between the inside of the cylinder and the piston rod.

3. The adjustable stone throwing machine as claimed in claim 2, wherein the telescoping mechanism further comprises a piston block which is positioned in the cylinder and can slide along the inner wall of the cylinder, the piston block is connected with the piston rod, a guide seat, an oil seal, a limiting sleeve and a sealing ring which are movably sleeved on the piston rod are sequentially arranged in the cylinder, the sealing ring can be contacted with the piston block, and the guide seat is positioned on one side close to the end part of the cylinder.

4. The adjustable stone projector as claimed in claim 2, further comprising a reset mechanism, wherein the reset mechanism comprises a first pulley block detachably connected to the bottom of the launching rod, a second pulley block is arranged at the bottom of the supporting frame, and a pull rope is wound between the first pulley block and the second pulley block.

5. The adjustable stone projector as claimed in claim 2, wherein said supporting frame comprises two sets of fork arms, a first movable shaft is movably connected between the crossing points of said two sets of fork arms, a second movable shaft is movably connected between the tops of said two sets of fork arms on the same side, said firing rod is hinged to said second movable shaft, a third movable shaft is also movably connected between said two sets of fork arms, and said cylinder is hinged to said third movable shaft.

6. The adjustable stone projector as claimed in claim 5, wherein two sets of fork arms are hinged at the top thereof to form a frame, the projection mechanism is located in the frame, a first locking mechanism is provided at an end of the frame away from the second movable shaft, and a second locking mechanism is provided at an end of the firing rod away from the second movable shaft, the second locking mechanism is used for cooperating with the first locking mechanism for locking.

7. The adjustable stone throwing machine according to claim 6, wherein the first locking mechanism comprises a suspension bracket arranged at the bottom of the frame, a locking sleeve is arranged at the bottom of the suspension bracket, the second locking mechanism comprises a guide sleeve connected with the launching rod, a self-locking rod is movably arranged in the guide sleeve and can extend into the locking sleeve, a limiting boss is arranged on the self-locking rod, a compression spring between the limiting boss and the launching rod is sleeved on the self-locking rod, and one end of the self-locking rod extending out of the guide sleeve is a spherical end.

8. The adjustable stone throwing machine according to claim 7, wherein an unlocking mechanism is arranged on the suspension bracket, the unlocking mechanism comprises a push rod which movably extends into the locking sleeve and can be in contact with the self-locking rod, a lever is hinged to one end of the push rod, which is positioned outside the locking sleeve, a support seat is arranged on the suspension bracket, which is positioned above the push rod, and the lever is hinged to the support seat.

9. The adjustable stone projector as claimed in claim 1, further comprising a base, wherein a plurality of sets of supporting seats are detachably disposed on the base, and the bottom of the supporting frame is hinged to the corresponding supporting seat.

10. The adjustable stone thrower of claim 9, wherein a plurality of sets of securing mechanisms are provided at a bottom of the base, the securing mechanisms including a bracket attached to the bottom of the base, the bottom of the bracket being provided with a ground nail.