Self-locking clamping butt-joint fixing device

Abstract

The invention relates to the field of assembling of bucket elevators and grain dryers, in particular to a self-locking clamping butt-joint fixing device which comprises a lock hook assembly arranged on a bucket elevator barrel, the lock hook assembly comprises a pull plate rotationally connected with the bucket elevator barrel, and a pull rope and a clamping hook are arranged at the two ends of the pull plate respectively; the locking arm assembly is arranged on the grain dryer barrel, and the locking arm assembly is provided with a clamping groove matched with the clamping hook; the clamping hook of the lock hook assembly can be correspondingly clamped in the clamping groove of the lock arm assembly so that the bucket elevator can be fixedly locked to the grain dryer, and the clamping hook can be separated from the clamping groove by pulling the pull rope so that locking between the clamping hook and the clamping groove can be relieved. No special climbing equipment is needed, the bucket elevator can be quickly locked to the grain drying machine, and meanwhile locking between the bucket elevator and the grain drying machine can be quickly relieved.

Description

Technical Field

[0001] The invention relates to the field of assembly of a bucket elevator and a grain dryer, and in particular to a self-locking clamping and docking fixing device. Background Art

[0002] Grain dryers, a crucial piece of equipment in agricultural production, are widely used to dry grain after harvest. To improve drying efficiency and production automation, grain dryers are often used in conjunction with auxiliary equipment such as bucket elevators. The primary function of these auxiliary equipment is to lift grain from the ground to the dryer's feed port or to transport material between different processing steps. However, the height difference between the dryer and the auxiliary equipment presents numerous challenges during installation and operation.

[0003] In the prior art, auxiliary equipment such as bucket elevators usually need to be installed independently and fixed to the dryer body through complex connecting mechanisms. This installation method not only requires special climbing equipment or fixing devices, but also requires auxiliary facilities such as ladders to ensure the safety of the installers and the stability of the equipment. The entire installation process involves multiple steps, including equipment positioning, height adjustment, connection and fixation, and safety inspections, which is not only time-consuming and labor-intensive, but also increases the installation cost. In addition, when the equipment is maintained or transferred, these complex connecting mechanisms need to be disassembled, further increasing the difficulty and workload of the operation. This cumbersome installation and disassembly process not only affects production efficiency, but also poses certain safety hazards. In particular, when working at high altitudes, operators face the risk of falling. Therefore, how to simplify the installation and fixing process between the dryer and auxiliary equipment and improve operational convenience and safety has become a technical problem that needs to be urgently solved in the field of grain drying equipment. Summary of the Invention

[0004] The object of the present invention is to provide a self-locking clamping docking fixing device, which can quickly lock a bucket elevator to a grain dryer without the need for special climbing equipment, and can also quickly release the lock therebetween.

[0005] The technical solution of the present invention is achieved as follows:

[0006] A self-locking clamping and docking fixing device, comprising:

[0007] A lock hook assembly is provided on the bucket elevator barrel, the lock hook assembly comprising a pull plate rotatably connected to the bucket elevator barrel, with a pull rope and a hook respectively provided at both ends of the pull plate;

[0008] A locking arm assembly is provided on the drum of the grain dryer, and the locking arm assembly has a slot matching the hook;

[0009] Wherein, the hook of the hook assembly can be correspondingly clamped in the slot of the lock arm assembly to fix and lock the bucket elevator to the grain dryer, and pulling the pull rope can disengage the hook from the slot to release the locking therebetween.

[0010] Further, the hook assembly further includes:

[0011] A fixed frame, fixedly arranged on the outer side of the bucket elevator barrel;

[0012] A bracket, fixed on the fixed frame, a rear leg is arranged at the rear end of the bracket, the pull plate is rotatably connected to the rear leg, a front leg is arranged at the front end of the bracket, and a limit plate is arranged at the top of the front leg for restricting the front end of the pull plate from rotating downward.

[0013] Further, the hook assembly includes two pull plates, the brackets are symmetrically arranged on the left and right sides of the fixed frame, the left and right pull plates are respectively arranged on the left and right brackets, and the pull plate is rotatably connected to the rear leg through a hinge shaft;

[0014] A first elastic body is connected between the bracket and the pull plate;

[0015] The front ends and rear ends of the two pull plates are respectively connected and fixed through a front connecting rod and a rear connecting rod;

[0016] The hook is arranged at the bottom of the front end of the pull plate, and the push rod is arranged at the top of the front end of the pull plate.

[0017] Further, a pull ring is arranged on the rear connecting rod, and the pull rope is tied and fixed to the pull ring.

[0018] Further, the lock arm assembly includes:

[0019] A fixing plate, the front end of the fixing plate is fixedly connected to the barrel of the grain dryer, a sloping plate is arranged at the top of the rear end of the fixing plate, and the slot is formed between the sloping plate and the fixing plate;

[0020] Two clamping arms, symmetrically arranged on the left and right sides of the bucket elevator barrel, the clamping arms are rotatably connected to the fixing plate through a rotating shaft, the clamping arms are provided with a connecting part and a clamping part, the clamping part is located at the rear end of the connecting part, and a pushing groove is formed between the clamping part and the connecting part, and the push rod is located in the pushing groove;

[0021] A second elastic body, the second elastic body is connected between the left and right connecting parts, and the clamping arm can rotate around the rotating shaft and can be opened or closed under the action of the second elastic body.

[0022] Furthermore, the connecting portion is L-shaped, the clamping arm is Z-shaped as a whole, and the rotating shaft is provided at the connection between the connecting portion and the clamping portion.

[0023] Furthermore, a support column is provided between the left and right connecting parts, two second elastic bodies are provided, and one end of the second elastic body is connected to the connecting part, and the other end is connected to the support column.

[0024] Furthermore, the first elastic body and the second elastic body are tension springs respectively.

[0025] Furthermore, the fixing frame bolts are fixed to the bucket elevator barrel through a plurality of bolts.

[0026] Furthermore, the rear end surface of the hook is a vertical surface, the front end surface of the hook is an inclined surface, and the size of the hook gradually increases from bottom to top.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The present application provides a self-locking clamping and docking fixing device for quickly assembling a bucket elevator on a grain dryer. The locking hook assembly is arranged on the bucket elevator barrel, and the locking arm assembly is arranged on the grain dryer barrel. By simply pushing the bucket elevator barrel and the locking hook assembly forward together through external force, the hook of the locking hook assembly can be correspondingly engaged with the slot of the locking arm assembly, so that the bucket elevator is fixed and locked to the grain dryer, thereby realizing rapid assembly of the bucket elevator. When the pull rope is pulled, the hook can be disengaged from the slot to release the lock between the bucket elevator and the grain dryer. The self-locking clamping and docking fixing device can realize rapid locking or unlocking between the bucket elevator and the grain dryer without the need for special climbing equipment. The operation is convenient, safe and reliable, which simplifies the installation process of the equipment and improves the stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a structural diagram of the present invention in which a bucket elevator is assembled on a grain dryer through a self-locking clamping and docking fixing device;

[0031] Figure 2 It is a partial structural schematic diagram of the lock hook assembly of the present invention;

[0032] Figure 3 It is a structural schematic diagram of the fixing frame and the bracket of the present invention;

[0033] Figure 4 Schematic diagram of the structure of the locking arm assembly of the present invention (the dotted line shows the rotation trajectory of the locking arm);

[0034] Figure 5 This is a schematic structural diagram of the present invention when two self-locking clamping and docking fixing devices are provided.

[0035] In the picture:

[0036] 1-bucket elevator barrel; 2-locking hook assembly; 3-bracket; 4-fixing frame; 5-pull rope; 6-locking arm assembly; 7-grain dryer barrel; 8-fixing rod;

[0037] 201-pull plate; 202-hinge shaft; 203-front connecting rod; 204-pull ring fixing seat; 205-pull ring;

[0038] 206 - rear connecting rod; 207 - push rod; 208 - hook; 209 - round hole; 210 - extension;

[0039] 301-front support leg; 302-rear support leg; 303-limiting plate;

[0040] 601-arm; 6011-holding part; 6012-connecting part; 602-support column; 603-inclined plate; 604-rotating shaft; 605-second elastic body; 606-fixing plate; 607-vertical plate; 608-pushing groove. DETAILED DESCRIPTION

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0044] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is customarily placed. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0045] In addition, terms such as "horizontal", "vertical", "hanging" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0046] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] The following will describe in detail some embodiments of the present invention with reference to the drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0048] Embodiment 1

[0049] Referring to Figures 1-4 , a self-locking clamping and docking fixing device for quickly assembling a bucket elevator onto a grain dryer, which includes:

[0050] A lock hook assembly 2 is provided on the bucket elevator barrel 1. The lock hook assembly 2 includes a pull plate 201 rotatably connected to the bucket elevator barrel 1. Pull ropes 5 and hooks 208 are respectively provided at both ends of the pull plate 201;

[0051] A lock arm assembly 6 is provided on the grain dryer barrel 7. The lock arm assembly 6 has a card slot matching the hook 208;

[0052] Wherein, the hook 208 of the hook assembly 2 can be correspondingly clamped in the card slot of the lock arm assembly 6 to fix and lock the bucket elevator to the grain dryer, and pulling the pull rope 5 can disengage the hook 208 from the card slot to release the locking therebetween.

[0053] As Figure 1 shown, for the convenience of orientation introduction, the front, rear, left and right directions are established. Among them, the bucket elevator barrel 1 is located on the front side of the grain dryer barrel 7.

[0054] Specifically, the hook assembly 2 further includes:

[0055] A fixed frame 4, fixedly arranged on the outer side of the bucket elevator barrel 1. The fixed frame 4 has the same size as the bucket elevator barrel 1 and is correspondingly fitted. The fixed frame 4 is sleeved on the outer side of the bucket elevator barrel 1 and is bolt-connected through a plurality of bolts to facilitate the disassembly of the fixed frame 4;

[0056] A bracket 3, for the installation of the pull plate 201, which is fixed on the fixed frame 4. A rear leg 302 is arranged at the rear end of the bracket 3. The pull plate 201 is rotatably connected to the rear leg 302 through a hinge shaft 202. The hinge shaft 202 is horizontally arranged and its axial direction is the left-right direction. The pull plate 201 can rotate around the hinge shaft 202. A front leg 301 is arranged at the front end of the bracket 3, and a limit plate 303 is arranged at the top of the front leg 301 to limit the front end of the pull plate 201 from rotating downward excessively.

[0057] Preferably, the hook assembly 2 includes two pull plates 201. The brackets 3 are symmetrically arranged on the left and right sides of the fixed frame 4. The left and right pull plates 201 are respectively arranged on the left and right brackets 3, and the pull plate 201 is rotatably connected to the rear leg 302 through a hinge shaft 202.

[0058] A first elastic body is connected between the bracket 3 and the pull plate 201. The first elastic body uses a tension spring. Circular holes 209 for installing the tension spring are respectively arranged in the middle parts of the pull plate 201 and the bracket 3. When the rear end of the pull plate 201 is pulled downward by the pull rope 5 and then the pulling force is cancelled, due to the elastic action of the first elastic body, the pull plate 201 will return to its original position.

[0059] The front ends and rear ends of the two pull plates 201 are respectively connected and fixed through a front connecting rod 203 and a rear connecting rod 206, that is, the front ends and rear ends between the left and right pull plates 201 are respectively connected with a front connecting rod 203 and a rear connecting rod 206. Through the connection of the front connecting rod 203 and the rear connecting rod 206, the left and right pull plates 201 are formed into one body and can move synchronously.

[0060] A hook 208 is provided at the bottom of the front end of the pull plate 201, and a push rod 207 is provided at the top of the front end of the pull plate 201, as Figure 1 and Figure 2 shown.

[0061] Preferably, an extension part 210 is provided at the bottom of the rear end of the pull plate 201. A rear connecting rod 206 is connected between the two extension parts 210. The rear connecting rod 206 has a plate-like structure. A pull ring fixing seat 204 is provided at the bottom of the rear connecting rod 206. The pull ring fixing seat 204 is U-shaped. A pull ring 205 is provided at the bottom of the pull ring fixing seat 204. The pull ring 205 is connected to the pull ring fixing seat 204 through a bolt assembly. The pull rope 5 is tied and fixed to the pull ring 205.

[0062] In this embodiment, the lock arm assembly 6 includes:

[0063] A fixing plate 606, the front end of the fixing plate 606 is fixedly connected to the cylinder 7 of the grain dryer. An inclined plate 603 is provided at the top of the rear end of the fixing plate 606. A card slot is formed between the inclined plate 603 and the fixing plate 606. A vertical plate 607 matching the hook 208 is provided at the front end of the inclined plate 603;

[0064] Card arms 601, two card arms 601 are provided and symmetrically arranged on the left and right sides of the bucket elevator barrel 1. The card arms 601 are rotatably connected to the fixing plate 606 through a rotating shaft 604. A connecting part 6012 and a clamping part 6011 are connected to the card arms 601. The clamping part 6011 is located at the rear end of the connecting part 6012. A pushing groove 608 is formed between the clamping part 6011 and the connecting part 6012. The push rod 207 is located in the pushing groove 608;

[0065] A second elastic body 605, the second elastic body 605 is connected between the left and right connecting parts 6012. The card arms 601 can rotate around the rotating shaft 604 and can be opened or closed under the action of the second elastic body 605.

[0066] In this embodiment, the connecting part 6012 is L-shaped, the card arm 601 is integrally Z-shaped, and the rotating shaft 604 is provided at the connection between the connecting part 6012 and the clamping part 6011. A support column 602 is provided between the left and right connecting parts 6012. Two second elastic bodies 605 are provided. One end of the second elastic body 605 is connected to the connecting part 6012 and the other end is connected to the support column 602. The second elastic body 605 is a tension spring.

[0067] Preferably, the pushing groove 608 is designed as a right-angled groove to facilitate the pushing of the push rod 207 at the front end of the pulling plate 201 against the clamping arm 601; the rear end face of the hook 208 is a vertical plane, the front end face of the hook 208 is an inclined plane, and the size of the hook 208 gradually increases from bottom to top. When the bucket elevator and the locking hook assembly 2 are pushed forward under an external force, the push rod 207 pushes forward and first contacts the inner side wall of the clamping part 6011. As the push rod 207 continues to move forward, it drives the clamping arm 601 to rotate around the rotating shaft 604, and the rear ends of the two clamping arms 601 approach each other and gradually close, so as to be able to tightly hold the bucket elevator barrel 1. During this process, the hook 208 at the front end of the pulling plate 201 moves forward and slides along the inclined plate 603, and then the hook 208 is lifted by the inclined plate 603, the front end of the pulling plate 201 is lifted upward and pulls the first elastic body (tension spring) and undergoes elastic deformation. After sliding over the inclined plate 603, the first elastic body (tension spring) restores its elastic deformation. Under the action of the first elastic body, the hook 208 quickly drops and hooks the vertical plate 607 at the front end of the inclined plate 603; then, when the pull rope 5 is pulled downward, the pulling plate 201 rotates and its front end is lifted upward, the hook 208 disengages from the clamping groove, and the clamping arms 601 on both sides also open, so that the bucket elevator can be easily removed.

[0068] When the self-locking clamping and docking fixing device is in use, it includes the following stages:

[0069] 1. Preparation stage:

[0070] The fixing frame 4 and the fixing plate 606 are respectively installed on the dryer and the elevator.

[0071] The fixing frame 4 is used to hold the barrel wall of the elevator, and the fixing plate 606 is used to be fixed on the dryer.

[0072] 2. Connection stage:

[0073] When the elevator approaches the dryer, the "hook 208" on the device will automatically slide into the pushing groove 608 of the "locking arm".

[0074] The hook 208 at the front end of the pulling plate 201 will slide over the slope plate on the fixing plate 606 and then snap into the clamping groove to latch the fixing plate 606, achieving locking.

[0075] At the same time, the push plate on the pulling plate 201 will push the clamping arm 601 to rotate, so that the two clamping arms 601 tightly hold the barrel wall of the elevator.

[0076] 3. Locking stage:

[0077] Through the elastic action of the first elastic body and the second elastic body 605, the whole device will be firmly locked to ensure that the elevator will not shake left and right.

[0078] 4. Unlocking stage:

[0079] If separation is needed, just pull a drawstring 5. The drawstring 5 will cause the drawplate 201 and the hook 208 to rotate, and the hook 208 will disengage from the card slot to unlock the fixing plate 606, and the clamping arm 601 will also open, so that the elevator can be easily removed.

[0080] Advantages of the whole device:

[0081] Simple operation: No complex tools or manual intervention are required. Just move the lock hook assembly 2 and the elevator together towards the dryer, and the locking will be automatically completed.

[0082] Safe and reliable: It is very stable after locking, avoiding the risk of equipment shaking.

[0083] Cost-saving: The costs of climbing equipment and other auxiliary devices are saved.

[0084] Strong applicability: This concept can not only be used for dryers and elevators, but also be extended to the docking and fixing of other similar equipment.

[0085] Attention needs to be paid: Since the height of the bucket elevator barrel 1 is relatively high, when installing and fixing the elevator, it is necessary to first install the fixing frames 4 and the fixing plates 606 on the dryer barrel and the elevator barrel respectively, and then adjust the lock hook assembly 2 and the lock arm assembly 6 respectively, and install and check the tension springs on the lock hook assembly 2 and the lock arm assembly 6 respectively to make them stretch freely. Then gradually move the elevator closer to the dryer barrel, and while approaching, keep the lock hook assembly 2 in the middle position directly facing the lock arm assembly 6. As the elevator barrel gradually approaches the dryer barrel, the lock hook assembly 2 gradually enters the space between the clamping arms 601 of the lock arm assembly 6. The hook 208 at the front end of the drawplate 201 of the lock hook assembly 2 slides forward. During the sliding process, the inclined surface on the front side of the hook 208 lifts up and slides over the inclined plate 603 of the fixing plate 606. After the hook 208 passes through the inclined plate 603, due to the self-elastic force of the first elastic body, it quickly drops and hooks the vertical plate 607 at the front end of the inclined plate 603; at the same time, the push rod 207 at the front end of the drawplate 201 pushes the clamping arm 601 of the lock arm assembly 6 to rotate. The clamping arm 601 stops rotating after rotating close to the elevator barrel and clamps the elevator barrel tightly. The whole process instantaneously completes the hooking of the hook 208 on the fixing plate 606 after passing through the inclined plate 603 of the fixing plate 606 by means of the pulling force of the tension spring, and the clamping arm 601 rotates and tightly holds and clamps the elevator barrel.

[0086] When unlocking and separating are needed, only an external force is required to pull the drawstring 5. By pulling the drawstring 5, the rotation of the lock hook assembly 2 is driven to lift the hook 208 at the front end of the drawplate 201 out of the card slot. At the same time, the clamping arm 601 opens under the pulling force of the tension spring, completing the unlocking and separation of the elevator barrel. The drawstring 5 can also be replaced by an electric traction device.

[0087] Through the above process, the connection locking and unlocking detachment of the hoist barrel and the dryer cylinder are realized, which is convenient, safe and reliable to operate, simplifies the equipment installation process, and improves the equipment stability at the same time.

[0088] Embodiment 2

[0089] This embodiment provides a self-locking clamping and docking fixing device, and the number of the self-locking clamping and docking fixing devices is designed to be at least two. In this embodiment, taking the design of two self-locking clamping and docking fixing devices as an example for illustration, as Figure 5 shown.

[0090] The two self-locking clamping and docking fixing devices are distributed vertically. Specifically: the two hook assemblies 2 are arranged on the hoist barrel 1 of the bucket elevator from top to bottom in sequence, the two lock arm assemblies 6 are arranged on the cylinder body 7 of the grain dryer from top to bottom in sequence, and the hook assemblies 2 and the lock arm assemblies 6 are arranged in one-to-one correspondence. Between two adjacent hook assemblies 2, the upper two pull plates 201 and the lower two pull plates 201 are respectively connected and fixed by a fixing rod 8. When pulling a pull rope 5, the synchronous rotation of the upper pull rod and the lower pull rod can be driven simultaneously.

[0091] Embodiment 3

[0092] A method for a self-locking clamping and docking fixing device includes the following steps:

[0093] The fixing frame 4 together with the bracket 3 is fixed to the barrel wall of the hoist barrel 1 of the bucket elevator;

[0094] The pull plate 201 of the hook assembly 2 is installed in the shaft hole of the leg through a hinge shaft 202, and a return force is provided by a tension spring (the first elastic body);

[0095] The lock arm assembly 6 is fixed to the dryer cylinder;

[0096] When the hoist barrel 1 of the bucket elevator approaches the dryer cylinder under the action of an external force, the hook 208 of the hook assembly 2 slides over the inclined plate 603 on the fixing plate 606 and then quickly falls into the card slot to automatically hook the inclined plate 603. At the same time, the push rod 207 pushes the clamping arm 601 to rotate to clamp the hoist barrel 1 of the bucket elevator;

[0097] When unlocking is required, pull the pull rope 5 to rotate the hook assembly 2, the pointed hook lifts off the inclined plate 603, and the clamping arm 601 opens under the action of the tension spring (the second elastic body 605) to complete the unlocking and detachment.

[0098] This self-locking clamping and docking fixing device can be used for equipment docking, clamping and unlocking in places inaccessible to high-altitude personnel, and can be adaptively adjusted according to the specific shape of the fixed equipment.

[0099] The beneficial effects of the technical solution of the present invention are:

[0100] The present application provides a self-locking clamping and docking fixing device for quickly assembling a bucket elevator on a grain dryer. The locking hook assembly 2 is arranged on the bucket elevator barrel 1, and the locking arm assembly 6 is arranged on the grain dryer barrel 7. By simply pushing the bucket elevator barrel 1 and the locking hook assembly 2 forward together through external force, the hook 208 of the locking hook assembly 2 can be correspondingly engaged with the slot of the locking arm assembly 6, so that the bucket elevator is fixed and locked to the grain dryer, thereby achieving rapid assembly of the bucket elevator; when the pull rope 5 is pulled, the hook 208 can be disengaged from the slot to release the lock between the bucket elevator and the grain dryer. The self-locking clamping and docking fixing device can achieve rapid locking or unlocking between the bucket elevator and the grain dryer without the need for special climbing equipment. It is convenient, safe and reliable to operate, simplifies the installation process of the equipment, and improves the stability of the equipment.

[0101] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

[0102] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A self-locking clamping butt fixing device, characterized in that, Comprising: A locking hook assembly (2), which is arranged on the casing (1) of a bucket elevator. The locking hook assembly (2) includes a pull plate (201) rotatably connected to the casing (1) of the bucket elevator. Two ends of the pull plate (201) are respectively provided with a pull rope (5) and a hook (208); A locking arm assembly (6), which is arranged on the casing (7) of a grain dryer. The locking arm assembly (6) has a clamping groove matching with the hook (208); Wherein, the hook (208) of the locking hook assembly (2) can be correspondingly clamped in the clamping groove of the locking arm assembly (6) to fixedly lock the bucket elevator to the grain dryer. Pulling the pull rope (5) can disengage the hook (208) from the clamping groove to release the locking therebetween.

2. The self-locking clamping butt fixing device according to claim 1, wherein The locking hook assembly (2) further includes: A fixed frame (4), which is fixedly arranged on the outer side of the casing (1) of the bucket elevator; A bracket (3), which is fixed on the fixed frame (4). A rear leg (302) is arranged at the rear end of the bracket (3). The pull plate (201) is rotatably connected to the rear leg (302). A front leg (301) is arranged at the front end of the bracket (3). A limit plate (303) is arranged at the top of the front leg (301) for restricting the front end of the pull plate (201) from rotating downward.

3. The self-locking clamping butt fixing device according to claim 2, wherein, The locking hook assembly (2) includes two pull plates (201). The brackets (3) are symmetrically arranged on the left and right sides of the fixed frame (4). The left and right pull plates (201) are respectively arranged on the left and right brackets (3). The pull plate (201) is rotatably connected to the rear leg (302) through a hinge shaft (202); A first elastic body is connected between the bracket (3) and the pull plate (201); The front ends and rear ends of the two pull plates (201) are respectively connected and fixed through a front connecting rod (203) and a rear connecting rod (206); The hook (208) is arranged at the bottom of the front end of the pull plate (201), and a push rod (207) is arranged at the top of the front end of the pull plate (201).

4. The self-locking clamping butt fixing device according to claim 3, characterized in that, A pull ring (205) is arranged on the rear connecting rod (206). The pull rope (5) is tied and fixed to the pull ring (205).

5. The self-locking clamping butt fixing device according to claim 3, characterized in that, The locking arm assembly (6) includes: A fixing plate (606), the front end of the fixing plate (606) is connected and fixed to the casing (7) of the grain dryer. An inclined plate (603) is arranged at the top of the rear end of the fixing plate (606). The clamping groove is formed between the inclined plate (603) and the fixing plate (606); Clamping arms (601), two clamping arms (601) are arranged and symmetrically arranged on the left and right sides of the casing (1) of the bucket elevator. The clamping arms (601) are rotatably connected to the fixing plate (606) through a rotating shaft (604). A connecting portion (6012) and a clamping portion (6011) are connected to the clamping arm (601). The clamping portion (6011) is located at the rear end of the connecting portion (6012). A pushing groove (608) is formed between the clamping portion (6011) and the connecting portion (6012). The push rod (207) is located in the pushing groove (608); The second elastic body (605) is connected between the left and right connecting parts (6012). The clamping arm (601) can rotate around the rotating shaft (604) and can be opened or closed under the action of the second elastic body (605).

6. The self-locking clamping butt fixing device according to claim 5, characterized in that, The connecting part (6012) is L-shaped, the clamping arm (601) is integrally Z-shaped, and the rotating shaft (604) is arranged at the connection between the connecting part (6012) and the clamping part (6011).

7. The self-locking clamping butt fixing device according to claim 5, characterized in that, A support column (602) is arranged between the left and right connecting parts (6012). Two second elastic bodies (605) are provided, and one end of the second elastic body (605) is connected to the connecting part (6012), and the other end is connected to the support column (602).

8. The self-locking clamping butt fixing device according to claim 5, characterized in that, The first elastic body and the second elastic body (605) are respectively a tension spring.

9. The self-locking clamping butt joint fixing device according to claim 2, wherein The fixed frame (4) is bolted and fixed to the bucket elevator barrel (1) through a plurality of bolts.

10. The self-locking clamping butt fixing device according to claim 1, wherein The rear end face of the hook (208) is a vertical plane, the front end face of the hook (208) is an inclined plane, and the size of the hook (208) gradually increases from bottom to top.

Images