Rake tooth anti-lost device for paddy field driving rake

Abstract

The utility model relates to the technical field of driving harrow teeth, in particular to a paddy field driving harrow tooth anti-lost device, an installation assembly is fixedly installed at the bottom of a harrow tooth cutter head, a locking assembly is installed at the position, corresponding to the installation assembly, in the harrow tooth cutter head, and the installation assembly comprises a driving shaft installed at the center of the upper portion of the harrow tooth cutter head. And a transmission gear is fixedly installed in the middle of the outer wall of the driving shaft, rake tooth components are symmetrically arranged on the two sides of the bottom of the rake tooth cutter head, fixing clamping bases are installed at the positions, corresponding to the rake tooth components, in the rake tooth cutter head in an embedded mode, and mortise and tenon joint mechanisms are installed between the rake tooth components and the fixing clamping bases. According to the anti-lost device for the harrow teeth of the paddy field driving harrow, connection and installation of the harrow teeth and the cutter head can be conveniently achieved through the tenon-and-mortise structure, the convenience during installation and disassembly is improved, the convenience during use is improved, and better use prospects are brought.

Description

Technical Field

[0001] The utility model relates to the technical field of driving harrow teeth, in particular to a paddy field driving harrow tooth anti-lost device. Background Art

[0002] A power-driven harrow is a machine that uses the tractor's power output shaft to drive the working parts through the universal joint drive shaft and transmission system to perform dry field soil crushing and land preparation operations. The main working parts are a row of harrow tooth shafts, and a harrow tooth seat is provided at the lower end of the harrow tooth shaft. Each harrow tooth seat is equipped with two harrow teeth. When working, the harrow tooth shaft is driven by the power output shaft through the transmission system, rotating while moving forward, hitting the soil clods, and loosening the soil in the plough layer. In addition to the quick-hanging harrow teeth, the driven harrow teeth are generally connected to the cutter disc with bolts;

[0003] The driven rake teeth are the main working parts for crushing soil. For example, a Chinese patent discloses a device for preventing the teeth from losing when the bolts are loosened. The device will not fall off when the bolts are loosened, thereby preventing the teeth from losing. After assembly, the phenomenon of teeth loss is significantly reduced, which solves the troubles for tractor drivers and improves the stability and working efficiency of the driven rake.

[0004] However, the above disclosed driving rake teeth still have some defects when in use: the device cannot conveniently install and disassemble the rake teeth components when in use, and bolts are still required for disassembly and assembly, which makes the rake teeth components inconvenient to replace. Therefore, those skilled in the art provide a paddy field driving rake teeth anti-lost device to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide a device for preventing rake teeth from being lost when driving a rake in a paddy field, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A paddy field driven rake tooth anti-lost device comprises a rake tooth cutter disc, a mounting assembly is fixedly mounted on the bottom of the rake tooth cutter disc, and a locking assembly is mounted at a position corresponding to the mounting assembly inside the rake tooth cutter disc;

[0008] The mounting assembly includes a driving shaft mounted at the center of the upper part of the rake tooth cutter disc, a transmission gear is fixedly mounted at the middle of the outer wall of the driving shaft, rake tooth components are symmetrically arranged on both sides of the bottom of the rake tooth cutter disc, and fixed clamping seats are embedded and installed at positions corresponding to the rake tooth components inside the rake tooth cutter disc, and a mortise and tenon mechanism is installed between the rake tooth component and the fixed clamping seat;

[0009] The locking assembly includes a fixing groove opened at a position of a fixed seat inside the rake tooth cutter disc, a second thread groove is symmetrically opened at a position inside the rake tooth cutter disc corresponding to the fixing groove, a locking knob is threadedly connected at a position inside the fixed seat corresponding to the second thread groove, and the locking knob is provided with an anti-falling mechanism.

[0010] As a further solution of the utility model: the mortise and tenon mechanism includes a fixing seat installed at the top end of the rake tooth component, and a conical clamping seat is installed at the top of the rake tooth component near the fixing seat, and a connecting groove is provided between the fixing seat and the conical clamping seat.

[0011] As a further solution of the utility model: a connecting card block is arranged inside the connecting card slot, and a matching conical card slot is opened at a position inside the connecting card block corresponding to the conical card seat.

[0012] As a further solution of the utility model: a fixed card block is fixedly installed at the top end of the connecting card block, a matching fixed card slot is opened inside the fixed card seat at the position corresponding to the fixed card block, and fixed plug blocks are fixedly installed on the top of the fixed seat and the conical card seat.

[0013] As a further solution of the utility model: the interior of the fixed base is provided with engaging fixing holes at positions corresponding to the fixed plug blocks, and the interior of the fixed base is provided with matching first thread grooves at positions corresponding to the second thread grooves.

[0014] As a further solution of the utility model: the anti-falling mechanism includes a threaded rod installed at the bottom of the locking knob, and two anti-slip gaskets are sleeved on the outside of the threaded rod, and anti-slip teeth are equidistantly installed on one side of the outer wall of each anti-slip gasket.

[0015] As a further solution of the utility model: meshing teeth are equidistantly installed on the other side of the outer wall of each anti-slip pad, and every two meshing teeth mesh with each other.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. A device for preventing rake teeth from being lost when driven by a paddy field. When in use, the connecting block is inserted from the connecting slot, the conical socket and the conical slot are engaged with each other by mortise and tenon joints, and then the fixing seat and the fixing block at the conical socket are inserted into the fixing socket in the fixing seat, and the fixing block is inserted into the fixing slot, so that the overall mortise and tenon connection can be achieved. When the rake tooth component is rotary tilling the soil, the device will be pressed against the device more and more tightly, thereby improving the convenience and stability during installation. Conversely, after the fixing block is pushed out from the fixing socket, the rake tooth component can be conveniently disassembled for maintenance, which is better than the traditional method.

[0018] 2. A device for preventing the teeth of a paddy field driven rake from being lost. The device installs a fixed base in a fixed groove, and then tightens the threaded rod at the locking knob with the first thread groove and the second thread groove. The anti-skid teeth at the two anti-skid gaskets are clamped between the locking knob and the first thread groove. This can effectively prevent the threaded rod from loosening due to shaking. The cooperation of the two meshing teeth can improve the clamping effect between the two anti-skid gaskets, thereby effectively avoiding shaking during installation and improving the stability of the device during use, which is better than the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a device for preventing rake teeth from losing when driving a rake in a paddy field;

[0020] Figure 2 It is a structural schematic diagram of a rake tooth component in a paddy field driven rake tooth anti-lost device;

[0021] Figure 3 It is a structural schematic diagram of an anti-skid pad in a device for preventing rake teeth from being lost when driving a rake in a paddy field;

[0022] Figure 4 The present invention is a schematic diagram of the structure of a rake tooth cutter disc in a paddy field driven rake tooth anti-loss device.

[0023] In the figure: 1, rake tooth cutter disc; 2, drive shaft; 3, transmission gear; 4, rake tooth component; 5, fixed base; 6, locking knob; 7, fixed base; 8, conical base; 9, fixed plug; 10, connecting slot; 11, connecting block; 12, conical slot; 13, fixed block; 14, fixed slot; 15, first threaded groove; 16, fixed socket; 17, threaded rod; 18, anti-skid gasket; 19, anti-skid teeth; 20, meshing teeth; 21, fixed groove; 22, second threaded groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 4 In an embodiment of the utility model, a paddy field driven rake tooth anti-lost device comprises a rake tooth cutter disc 1, a mounting assembly is fixedly mounted on the bottom of the rake tooth cutter disc 1, and a locking assembly is mounted at a position corresponding to the mounting assembly inside the rake tooth cutter disc 1;

[0026] The mounting assembly includes a drive shaft 2 mounted at the center of the upper portion of the rake tooth cutter disc 1, a transmission gear 3 is fixedly mounted at the middle of the outer wall of the drive shaft 2, rake tooth components 4 are symmetrically arranged on both sides of the bottom of the rake tooth cutter disc 1, and fixed holders 5 are embedded and mounted at positions corresponding to the rake tooth components 4 inside the rake tooth cutter disc 1, and a mortise and tenon mechanism is installed between the rake tooth components 4 and the fixed holder 5;

[0027] The mortise and tenon mechanism includes a fixed seat 7 installed at the top end of the rake tooth member 4, a conical seat 8 is installed at the top of the rake tooth member 4 near the fixed seat 7, a connecting slot 10 is provided between the fixed seat 7 and the conical seat 8, a connecting card block 11 is provided on the inner side of the connecting card slot 10, a matching conical slot 12 is provided at the position of the connecting card block 11 corresponding to the conical seat 8, a fixed card block 13 is fixedly installed at the top end of the connecting card block 11, a matching fixed card slot 14 is provided at the position of the fixed card block 13 corresponding to the fixed card block 13 inside the fixed card seat 5, a fixed plug 9 is fixedly installed on the top of the fixed seat 7 and the conical seat 8, and a fixed card block 9 is fixedly installed on the top of the fixed card seat 5. The positions of the corresponding fixed plug blocks 9 are provided with engaging fixed sockets 16. By inserting the connecting block 11 from the connecting slot 10, the conical socket 8 and the conical slot 12 are engaged with each other, and then the fixing plug blocks 9 at the fixing seat 7 and the conical socket 8 are inserted into the fixing socket 16 in the fixing socket 5, and the fixing block 13 is inserted into the fixing slot 14, the overall mortise and tenon connection can be realized. When the rake tooth component 4 is rotary tilling the soil, the device will be pressed against it more and more tightly, thereby improving the convenience and stability during installation. Conversely, after the fixed plug block 9 is ejected from the fixed socket 16, the rake tooth component 4 can be conveniently disassembled for maintenance.

[0028] The locking assembly includes a fixing groove 21 provided inside the rake tooth cutter disc 1 at a position corresponding to the fixing seat 5, a second thread groove 22 is symmetrically provided inside the rake tooth cutter disc 1 at a position corresponding to the fixing groove 21, a locking knob 6 is threadedly connected at a position corresponding to the second thread groove 22 inside the fixing seat 5, and the locking knob 6 is provided with an anti-drop mechanism;

[0029] The anti-falling mechanism includes a threaded rod 17 installed at the bottom of the locking knob 6, and two anti-skid pads 18 are sleeved on the outside of the threaded rod 17. Anti-skid teeth 19 are equidistantly installed on one side of the outer wall of each anti-skid pad 18, and meshing teeth 20 are equidistantly installed on the other side of the outer wall of each anti-skid pad 18, and every two meshing teeth 20 mesh with each other. A matching first thread groove 15 is opened at the position of the second thread groove 22 in the interior of the fixed card seat 5. By installing the fixed card seat 5 in the fixed groove 21, and then screwing the threaded rod 17 at the locking knob 6 to tighten the first thread groove 15 and the second thread groove 22, the anti-skid teeth 19 at the two anti-skid pads 18 are stuck between the locking knob 6 and the first thread groove 15, so that the threaded rod 17 caused by shaking can be effectively prevented from loosening. By cooperating with the two meshing teeth 20, the clamping effect between the two anti-skid pads 18 is improved, thereby effectively avoiding shaking during installation and improving the stability of the device when in use.

[0030] The working principle of the utility model is as follows: when in use, by inserting the connecting block 11 from the connecting slot 10, cooperating with the conical seat 8 and the conical slot 12 for mortise and tenon engagement, and then inserting the fixing block 9 at the fixing seat 7 and the conical seat 8 into the fixing socket 16 in the fixing seat 5, and inserting the fixing block 13 into the fixing slot 14, the overall mortise and tenon connection can be achieved. When the rake tooth component 4 performs rotary tillage on the soil, the device will be pressed against the device more and more tightly, thereby improving the convenience and stability during installation. Conversely, after the fixing block 9 is ejected from the fixing socket 16, convenient disassembly can be achieved. The rake tooth component 4 is inspected and repaired by installing the fixed base 5 in the fixed groove 21, and then tightening the threaded rod 17 at the locking knob 6 with the first thread groove 15 and the second thread groove 22. The anti-skid teeth 19 at the two anti-skid gaskets 18 are clamped between the locking knob 6 and the first thread groove 15, which can effectively prevent the threaded rod 17 from loosening due to shaking. The clamping effect between the two anti-skid gaskets 18 is improved through the cooperation of the two meshing teeth 20, and then effectively avoids shaking during installation, improves the stability of the device during use, is convenient for users to use, and is more practical.

Claims

1. A device for preventing rake teeth from being lost when driving a paddy field, comprising a rake tooth cutter disc (1), characterized in that: A mounting assembly is fixedly mounted on the bottom of the rake-tooth cutter disc (1), and a locking assembly is mounted at a position inside the rake-tooth cutter disc (1) corresponding to the mounting assembly; The mounting assembly comprises a driving shaft (2) mounted at the center of the upper part of the rake-tooth cutter disc (1); a transmission gear (3) is fixedly mounted at the middle of the outer wall of the driving shaft (2); rake-tooth components (4) are symmetrically arranged on both sides of the bottom of the rake-tooth cutter disc (1); fixed clamping seats (5) are embedded and mounted at positions corresponding to the rake-tooth components (4) inside the rake-tooth cutter disc (1); and a mortise and tenon mechanism is installed between the rake-tooth components (4) and the fixed clamping seat (5); The locking assembly comprises a fixing groove (21) provided inside the rake-tooth cutter disc (1) at a position corresponding to the fixing seat (5); a second thread groove (22) is symmetrically provided inside the rake-tooth cutter disc (1) at a position corresponding to the fixing groove (21); a locking knob (6) is threadedly connected at a position inside the fixing seat (5) corresponding to the second thread groove (22); and the locking knob (6) is provided with an anti-dropping mechanism.

2. A paddy field driven rake tooth anti-lost device according to claim 1, characterized in that: The mortise and tenon mechanism comprises a fixing seat (7) installed at the top end of the rake tooth component (4), a conical clamping seat (8) is installed at the top of the rake tooth component (4) near the fixing seat (7), and a connecting clamping groove (10) is provided between the fixing seat (7) and the conical clamping seat (8).

3. A paddy field driven rake tooth anti-lost device according to claim 2, characterized in that: A connecting card block (11) is arranged inside the connecting card slot (10), and a matching conical card slot (12) is provided inside the connecting card block (11) at a position corresponding to the conical card seat (8).

4. A paddy field driven rake tooth anti-lost device according to claim 3, characterized in that: A fixed card block (13) is fixedly mounted at the top end of the connecting card block (11); a matching fixed card slot (14) is provided inside the fixed card seat (5) at a position corresponding to the fixed card block (13); and a fixed plug block (9) is fixedly mounted on the top of both the fixed seat (7) and the conical card seat (8).

5. A paddy field driven rake tooth anti-lost device according to claim 4, characterized in that: The fixed base (5) is provided with a fixing plug hole (16) at a position corresponding to the fixed plug block (9) and a matching first thread groove (15) is provided at a position corresponding to the second thread groove (22).

6. A paddy field driven rake tooth anti-lost device according to claim 1, characterized in that: The anti-falling mechanism comprises a threaded rod (17) mounted at the bottom of the locking knob (6), two anti-slip pads (18) are sleeved on the outside of the threaded rod (17), and anti-slip teeth (19) are equidistantly mounted on one side of the outer wall of each anti-slip pad (18).

7. A paddy field driven rake tooth anti-lost device according to claim 6, characterized in that: The other side of the outer wall of each anti-slip pad (18) is provided with meshing teeth (20) at equal intervals, and every two meshing teeth (20) mesh with each other.

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