Control device for loading machine not to be started during gear engagement
By designing a control device using proximity switch and four-angle relay on the loader, the damage caused by the loader being not hung into neutral during startup is solved, and the vehicle is started in a safe state is realized, and the safety performance of the loader is improved.
Patent Information
- Application Number
- CN202421350067.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The existing loaders may suddenly drive forward or backward due to not being hung in neutral when starting, resulting in damage to equipment and personnel and lack of relevant linkage protection devices.
Design a control device for loader to be hooked up and not started. Using the induction principle of proximity switch and four-angle relay, it prevents the engine from starting when the vehicle is not hung in neutral, ensuring that the vehicle starts in a safe state.
Effectively prevent the loader from suddenly driving due to not being hung in neutral when starting, improving the safety performance of the vehicle and ensuring the safety of equipment and personnel.
Smart Images

Figure CN222572081U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of loader gear control, in particular to a control device for a loader that is geared but not started. Background Art
[0002] A loader is a type of earth-moving construction machinery widely used in construction projects such as roads, railways, buildings, hydropower, ports, and mines.
[0003] However, the existing loaders have a design defect that the engine can be started in gear without any associated clutch protection device. If the driver or maintenance personnel does not put the vehicle into neutral when starting the vehicle, the vehicle will suddenly move forward or backward due to the engine starting, which may easily cause damage to surrounding equipment and personnel. Utility Model Content
[0004] The utility model aims to provide a control device for a loader that is not started when the gear is engaged, so as to solve the problem of the unrelated clutch protection device proposed in the above background technology.
[0005] To achieve the above purpose, the utility model provides the following technical solution: a control device for a loader that does not start when the loader is in gear, comprising:
[0006] A base plate, wherein a fixing bolt penetrates the interior of the base plate, a support column is installed above the base plate, shaft rods are arranged on both sides above the support column, the outer wall of the shaft rod is connected with a connecting plate, a limiting bolt penetrates the middle interior of the connecting plate, an adjusting block is arranged above the support column, a screw rod penetrates the interior of the adjusting block, a cross handle is installed above the screw rod, a nut pair is connected to the outer wall of the screw rod, a guide block is arranged on the outer wall of the nut pair, a mounting block is arranged at one end of the guide block, and a proximity switch and a four-corner relay are installed inside the mounting block.
[0007] Preferably, the base plate is provided with holes corresponding to the fixing bolts, and the support column is fixedly connected to the base plate.
[0008] Preferably, a plurality of grooves are provided on both sides of the support column corresponding to the limit bolts, and the shaft rod is fixedly connected to the support column.
[0009] Preferably, the connecting plate is rotatably connected to the shaft rod, and the connecting plate is provided with holes corresponding to the limiting bolts.
[0010] Preferably, the upper portion of the connecting plate is fixedly connected to the adjusting block, and the screw rod is rotatably connected to the adjusting block.
[0011] Preferably, the cross handle is fixedly connected to the screw rod, and the nut pair is fixedly connected to the guide block.
[0012] Preferably, the guide block is slidably connected to the adjustment block, the mounting block is fixedly connected to the guide block, and a four-corner relay is installed at the load front end of the proximity switch.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] (1) When the new device is used, the proximity switch is adjusted to a position two centimeters away from the gear switch. After being put into use, the vehicle cannot be started when it is in gear, which improves the vehicle safety performance from the essence of the equipment. The induction principle of the proximity switch is used to realize that the switch contacts and energizes the vehicle in the neutral position to meet the vehicle starting requirements.
[0015] (2) Before using the new device, first fix the fixing bolt through the base plate and fix it on the loader, screw out the limit bolt, rotate the adjustment block and the cross handle at the same time, the cross handle drives the screw to rotate, the screw drives the nut pair to move, the nut pair drives the guide block and the mounting block to move, the mounting block drives the proximity switch and the four-corner relay to move, adjust the position of the proximity switch, and finally, screw the limit bolt through the hole of the connecting plate into the groove of the support column to limit the adjustment block, so that the device can adapt to different loaders and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic cross-sectional diagram of the overall structure of the utility model;
[0018] Figure 3 For the utility model Figure 2 Schematic diagram of the structure of part A;
[0019] Figure 4 It is an exploded schematic diagram of the lower half of the overall structure of the utility model;
[0020] Figure 5 It is an exploded schematic diagram of the upper half of the overall structure of the utility model.
[0021] In the figure: 01, base plate; 02, fixing bolt; 03, support column; 04, shaft; 05, connecting plate; 06, limit bolt; 07, adjustment block; 08, screw rod; 09, cross handle; 10, nut pair; 11, guide block; 12, mounting block; 13, proximity switch; 14, four-corner relay. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-5 The utility model provides an embodiment: a control device for a loader that is engaged in gear but not started. The nut pair 10, proximity switch 13 and four-corner relay 14 used in this application are all products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be repeated here.
[0024] The invention comprises: a bottom plate 01, wherein a fixing bolt 02 penetrates inside the bottom plate 01, a support column 03 is installed above the bottom plate 01, shafts 04 are arranged on both sides above the support column 03, a connecting plate 05 is connected to the outer wall of the shaft 04, a limiting bolt 06 penetrates the middle of the connecting plate 05, and the limiting bolt 06 is screwed into the groove of the support column 03 through the hole of the connecting plate 05, so as to fix the position of the adjusting block 07, an adjusting block 07 is arranged above the support column 03, and the adjusting block 07 plays a guiding role for the guide block 11, and a screw rod 08 penetrates inside the adjusting block 07, and the screw rod 08 is screwed into the groove of the support column 03. A cross handle 09 is installed above 8. Turning the cross handle 09 can drive the screw rod 08 to rotate. The outer wall of the screw rod 08 is connected to a nut pair 10. The outer wall of the nut pair 10 is provided with a guide block 11. The guide block 11 plays a guiding role. A mounting block 12 is provided at one end of the guide block 11. A proximity switch 13 and a four-corner relay 14 are installed inside the mounting block 12. The induction principle of the proximity switch 13 realizes that the switch contacts and energizes the vehicle in the neutral position to meet the vehicle starting requirements. The four-corner relay 14 realizes a safety protection function to prevent excessive current from damaging the proximity switch 13.
[0025] Furthermore, the base plate 01 is provided with holes corresponding to the fixing bolts 02 , and the fixing bolts 02 pass through the holes of the base plate 01 to fix the base plate 01 on the loader. The support column 03 is fixedly connected to the base plate 01 to ensure the firmness of the base plate 01 and the support column 03 .
[0026] Furthermore, multiple sets of grooves are provided on both sides of the support column 03 corresponding to the limit bolts 06. The limit bolts 06 are screwed into the grooves of the support column 03 through the holes of the connecting plate 05, so that the position of the adjustment block 07 can be fixed. The adjustment block 07 can be adjusted at multiple angles, and the shaft rod 04 is fixedly connected to the support column 03.
[0027] Furthermore, the connecting plate 05 is rotationally connected to the shaft rod 04, and a hole is opened in the connecting plate 05 corresponding to the limit bolt 06. The limit bolt 06 is passed through the hole of the connecting plate 05 and screwed into the groove of the support column 03 to fix the position of the adjustment block 07.
[0028] Furthermore, the upper part of the connecting plate 05 is fixedly connected to the adjusting block 07 to ensure the stability of the upper part of the connecting plate 05 and the adjusting block 07 , and the screw rod 08 is rotationally connected to the adjusting block 07 to ensure that the adjusting block 07 does not affect the rotation of the screw rod 08 .
[0029] Furthermore, the cross handle 09 is fixedly connected to the screw rod 08 to ensure that rotating the cross handle 09 can drive the screw rod 08 to rotate, and the nut pair 10 is fixedly connected to the guide block 11 to ensure that the nut pair 10 can drive the guide block 11 to move, and the guide block 11 drives the mounting block 12 to move.
[0030] Furthermore, the guide block 11 is slidably connected to the adjustment block 07, and the adjustment block 07 guides the guide block 11. The mounting block 12 is fixedly connected to the guide block 11, and the guide block 11 guides. A four-corner relay 14 is installed at the load front end of the proximity switch 13. The four-corner relay 14 realizes a safety protection function to prevent excessive current from damaging the proximity switch 13.
[0031] Working principle: When in use, first fix the fixing bolt 02 through the bottom plate 01 and fix it on the loader, screw out the limit bolt 06, rotate the cross handle 09 while rotating the adjustment block 07, the cross handle 09 drives the screw rod 08 to rotate, the screw rod 08 drives the nut pair 10 to move, the nut pair 10 drives the guide block 11 and the mounting block 12 to move, the mounting block 12 drives the proximity switch 13 and the four-corner relay 14 to move, adjust the position of the proximity switch 13, and finally screw the limit bolt 06 through the hole of the connecting plate 05 into the groove of the support column 03 to limit the adjustment block 07. The above is the entire working principle of the utility model.
[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A control device for a loader that does not start when the loader is in gear, characterized in that: include: A base plate (01), wherein a fixing bolt (02) penetrates the interior of the base plate (01), a support column (03) is installed above the base plate (01), shafts (04) are arranged on both sides above the support column (03), the outer wall of the shaft (04) is connected to a connecting plate (05), a limiting bolt (06) penetrates the middle interior of the connecting plate (05), an adjustment block (07) is arranged above the support column (03), a screw rod (08) penetrates the interior of the adjustment block (07), a cross handle (09) is installed above the screw rod (08), a nut pair (10) is connected to the outer wall of the screw rod (08), a guide block (11) is arranged on the outer wall of the nut pair (10), a mounting block (12) is arranged at one end of the guide block (11), and a proximity switch (13) and a four-corner relay (14) are installed inside the mounting block (12).
2. A control device for a loader that does not start when the loader is in gear according to claim 1, characterized in that: The base plate (01) is provided with holes corresponding to the fixing bolts (02), and the support column (03) is fixedly connected to the base plate (01).
3. A control device for a loader that does not start when the loader is in gear according to claim 1, characterized in that: Multiple groups of grooves are provided on both sides of the support column (03) corresponding to the limit bolts (06), and the shaft rod (04) is fixedly connected to the support column (03).
4. A control device for a loader that does not start when the loader is in gear according to claim 1, characterized in that: The connecting plate (05) is rotatably connected to the shaft rod (04), and the connecting plate (05) is provided with holes corresponding to the limiting bolts (06).
5. A control device for a loader that does not start when the loader is in gear according to claim 2, characterized in that: The upper portion of the connecting plate (05) is fixedly connected to the adjusting block (07), and the screw rod (08) is rotatably connected to the adjusting block (07).
6. A control device for a loader that does not start when the loader is in gear according to claim 3, characterized in that: The cross handle (09) is fixedly connected to the screw rod (08), and the nut pair (10) is fixedly connected to the guide block (11).
7. A control device for a loader that does not start when the loader is in gear according to claim 4, characterized in that: The guide block (11) is slidably connected to the adjustment block (07), the mounting block (12) is fixedly connected to the guide block (11), and a four-corner relay (14) is installed at the load front end of the proximity switch (13).