Guardrail splicing structure of inclined shaft expanding excavation trolley
By using reinforced splicing components in the splicing structure of the inclined shaft expansion trolley guardrail, the embedded splicing of the positioning plate and the plug-in plate is achieved, which solves the problems of shaking and unsolid connection of the splicing parts, and improves the stability and firmness of the splicing.
Patent Information
- Application Number
- CN202420952425.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-06
AI Technical Summary
When the inclined shaft expansion trolley is splicing the guardrail, it is difficult to achieve embedded connection on the top, resulting in shaking of the splicing part and poor connection firmness.
Reinforced splicing components are adopted, including positioning blocks, plug-in plates, screws, sleeves and docking blocks. Through the rotation and sliding of screws and sleeves, the embedded splicing of the positioning plates and plug-in plates are realized, and the docking between the support blocks and the positioning blocks are connected. More firmer.
The embedded connection of guardrail splicing is realized, which enhances the stability and firmness of the splicing parts, avoids shaking, and improves the overall connection quality.
Smart Images

Figure CN222496360U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of trolley guardrail splicing, and more specifically, to a trolley guardrail splicing structure for inclined shaft expansion. Background Art
[0002] A logistics trolley, also known as a cargo trolley or cage trolley, is a unit mobile container equipment equipped with four casters for transporting and storing materials. It is often used in logistics distribution in large supermarkets or logistics turnover between factory processes. The logistics trolley is a powerful tool for the logistics industry and the manufacturing industry. It can make full use of the production line space. In order to prevent items from falling, the logistics trolley is usually equipped with a guardrail.
[0003] In the existing public documents, the patent announcement number CN215398738U discloses a trolley guardrail reinforcement structure, which is provided with a support plate on the bottom side of the wheel plate, and the support plate includes an integrally formed limiting portion and a supporting portion, the supporting portion is L-shaped, the limiting portion is U-shaped, the angle iron, the wheel plate and the supporting portion of the support plate are connected to each other, and the two side wing plates of the limiting portion of the support plate are respectively limited on both sides of the angle iron. However, the patent has the following defects.
[0004] When the inclined shaft expansion trolley is in use, a trolley guardrail splicing structure is required to achieve splicing protection. However, during the splicing protection process, it is difficult to achieve an embedded connection at the top, which causes shaking when the various splicing parts are connected. Therefore, the connection firmness is poor. For this purpose, a splicing structure of the guardrail of the inclined shaft expansion trolley is provided. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a splicing structure of a guardrail of an inclined shaft expansion trolley.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a splicing structure of a trolley guardrail for expanding an inclined shaft, comprising a trolley guardrail frame, a support block, a positioning plate and a plug-in plate, wherein the support block is fixed to the top of the trolley guardrail frame, the positioning plate is fixed to one side of the support block, and a reinforcement splicing assembly is provided on the other side of the support block; the reinforcement splicing assembly includes a positioning block arranged on the other side of the support block, and the positioning block is plugged into the support block, and both ends of the positioning plate are connected to frame plates; a screw is rotatably connected to the inner wall of the frame plate, a sleeve block is threadedly connected to the outer wall of the screw, and a docking block is welded to one side of the sleeve block.
[0007] Preferably, the two frame plates are fixedly connected to the positioning plate, and the two frame plates are symmetrically arranged about the positioning plate. The outer wall of the sleeve block is slidably connected to the inner wall of the frame plate, and the inner wall of the frame plate and the outer wall of the sleeve block are polished and ground. A rotating cap is welded to one end of the screw rod, a fixed guardrail is welded to the bottom end of each frame plate, a support block is welded to the bottom end of the fixed guardrail, and a support plate is fixedly installed between the two support blocks; the bottom end of each support block is detachably connected to a moving wheel by bolts.
[0008] According to the above technical solution, when splicing, the rotating cap carries the screw to rotate, and the screw rotates inside the frame plate, the sleeve block drives the docking block to move, the docking block is inserted into the plug-in board, the plug-in board carries the positioning block to move, and the positioning block is plugged into the outer wall of the support block to achieve embedded splicing of the positioning plate and the plug-in board. The docking between the support block and the positioning block is more firm, and the tilting movement is provided by the moving wheels at the bottom of the support block, and the support block supports the fixed guardrail, the fixed guardrail firmly supports the frame plate, and the stability of the support block is increased.
[0009] Preferably, one end of the plug-in board is fixedly connected to a socket block, and a positioning assembly is installed on the inner wall of the socket block; the positioning assembly includes a guide column slidably installed on the inner wall of the socket block, and one end of the guide column is fixedly connected to a pillar, and the pillar is fixedly connected to the positioning plate; a socket slider is welded to one side of the socket block, a positioning slider is slidably connected to the inner wall of the socket slider, and a sliding column is fixedly installed on one end of the positioning slider, and the sliding column and the positioning plate are welded; a plurality of sliding bars are fixedly connected to the outer wall of the sliding column, and the plurality of sliding bars are all slidably connected to the socket slider, and the plurality of sliding bars are arranged equidistantly in a circular ring.
[0010] According to the above technical solution, when splicing, the plug-in board carries the socket block to move, the socket block slides along the outer wall of the guide column toward the outer wall of the pillar, the socket slider slides along the outer wall of the positioning slider, and the socket slider slides along the outer wall of the sliding column. Multiple slide strips can guide the sliding operation of the socket slider to avoid offset between the plug-in board and the positioning plate.
[0011] Technical effects and advantages of the utility model:
[0012] 1. The utility model adopts a reinforced splicing assembly. The screw rotates inside the frame plate, the sleeve block drives the docking block to move, the docking block is inserted into the plug-in board, and the positioning block is plugged into the outer wall of the support block, so that the positioning plate and the plug-in board are embedded and spliced, and the docking between the support block and the positioning block is more firm;
[0013] 2. The utility model adopts a positioning component, which moves the socket block by the plug-in plate. The socket block slides along the outer wall of the guide column toward the outer wall of the pillar, and the socket slider slides along the outer wall of the sliding column. The plug-in plate and the positioning plate can be positioned to achieve embedded splicing, avoiding offset between the plug-in plate and the positioning plate, and the plug-in plate and the positioning plate can achieve rapid positioning and splicing. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the main plane structure of the inclined shaft expansion trolley guardrail splicing structure of the utility model.
[0015] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the connection between the positioning plate and the support block of the utility model when viewed from above.
[0016] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the connection between the positioning plate and the frame plate of the utility model.
[0017] Figure 4 It is a schematic diagram of the partial three-dimensional structure of the connection between the positioning plate and the support block of the utility model when viewed from above.
[0018] Figure 5 For the utility model Figure 3 Enlarged structural diagram at A in the middle.
[0019] The accompanying drawings are marked as follows: 1. trolley guardrail frame; 2. support block; 3. positioning plate; 4. frame plate; 5. positioning block; 6. plug-in plate; 7. screw; 8. sleeve block; 9. docking block; 10. rotating cap; 11. fixed guardrail; 12. support block; 13. support plate; 14. moving wheel; 15. sleeve block; 16. guide column; 17. pillar; 18. sleeve slider; 19. positioning slider; 20. slide column; 21. slide bar. DETAILED DESCRIPTION
[0020] 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.
[0021] As attached Figure 1-5 The illustrated inclined shaft expansion trolley guardrail splicing structure is provided with a reinforcement splicing assembly, and the setting of the reinforcement splicing assembly enables the positioning plate 3 and the plug-in plate 6 to be embedded and spliced, and the support block 2 and the positioning block 5 are more firmly connected. The specific structural setting of the reinforcement splicing assembly is as follows:
[0022] In this technical solution, as shown in the attached Figure 1-4 As shown, the reinforcement splicing assembly includes a positioning block 5 arranged on the other side of the support block 2, and the positioning block 5 is plugged into the support block 2, and both ends of the positioning plate 3 are connected to a frame plate 4; the inner wall of the frame plate 4 is rotatably connected to a screw rod 7, and a sleeve block 8 is threadedly connected to the outer wall of the screw rod 7, and a docking block 9 is welded to one side of the sleeve block 8;
[0023] When the guardrail of the inclined shaft expansion trolley of this embodiment is used for splicing, by rotating the two rotating caps 10, the rotating caps 10 carry the screw rod 7 to rotate, and the screw rod 7 rotates inside the frame plate 4, and the screw rod 7 carries the sleeve block 8 to move left under the action of the thread transmission force, so that the sleeve block 8 drives the docking block 9 to move, and the docking block 9 is inserted into the plug-in plate 6, and the plug-in plate 6 carries the positioning block 5 to move, and the positioning block 5 is plugged into the outer wall of the support block 2, and the plug-in plate 6 is inserted into the positioning plate 3, so that the positioning plate 3 and the plug-in plate 6 are embedded and spliced, and the positioning block 5 and the support block 2 are embedded and positioned and spliced, and the docking between the support block 2 and the positioning block 5 is more firm. When the inclined shaft is expanded, the bottom end of the support plate 13 is welded to the trolley, and the moving wheel 14 at the bottom of the support block 12 provides inclined movement, and the support block 12 supports the fixed guardrail 11, and the fixed guardrail 11 firmly supports the frame plate 4, and the trolley guardrail frame 1 firmly supports the bottom end of the support block 2 to increase the stability of the support block 2.
[0024] In this technical solution, as shown in the attached Figure 1-3 As shown, a fixed guardrail 11 is welded to the bottom end of each frame plate 4, a rotating cap 10 is welded to one end of the screw rod 7, and a support block 12 is welded to the bottom end of the fixed guardrail 11. The support block 12 supports the fixed guardrail 11, and the fixed guardrail 11 firmly supports the frame plate 4, thereby increasing the stability of the frame plate 4. A support plate 13 is fixedly installed between the two support blocks 12; the bottom end of each support block 12 is detachably connected to a moving wheel 14 by bolts. The bottom end of the support plate 13 is welded to the trolley, and the moving wheel 14 at the bottom of the support block 12 provides tilting movement, so that the moving operation of the support block 12 can be realized.
[0025] In this technical solution, as shown in the attached Figure 5 As shown, one end of the plug board 6 is fixedly connected to a socket block 15, and a positioning assembly is installed on the inner wall of the socket block 15; the positioning assembly includes a guide column 16 slidably installed on the inner wall of the socket block 15, and one end of the guide column 16 is fixedly connected to a pillar 17, and the pillar 17 is fixedly connected to the positioning plate 3; a socket slider 18 is welded to one side of the socket block 15, and a positioning slider 19 is slidably connected to the inner wall of the socket slider 18, and a slide column 20 is fixedly installed on one end of the positioning slider 19, and the slide column 20 is welded to the positioning plate 3; a plurality of slide bars 21 are fixedly connected to the outer wall of the slide column 20, and the plurality of slide bars 21 are all slidably connected to the socket slider 18, and the plurality of slide bars 21 are arranged in a circular ring with equal spacing;
[0026] According to the upper structure, when the plug-in board 6 and the positioning board 3 are embedded and plugged in, the plug-in board 6 carries the socket block 15 to move, and the socket block 15 slides along the outer wall of the guide column 16 toward the outer wall of the pillar 17, and the socket block 15 drives the socket slider 18 to move, and the socket slider 18 slides along the outer wall of the positioning slider 19. At the same time, the socket slider 18 slides along the outer wall of the sliding column 20. Multiple slide strips 21 can guide the sliding operation of the socket slider 18, so that the plug-in board 6 and the positioning board 3 can be positioned to achieve embedded splicing, avoiding offset between the plug-in board 6 and the positioning board 3.
[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A splicing structure of a trolley guardrail for an inclined shaft expansion, comprising a trolley guardrail frame (1), a support block (2), a positioning plate (3), and a plug-in plate (6), wherein the support block (2) is fixed to the top of the trolley guardrail frame (1), and the positioning plate (3) is fixed to one side of the support block (2), characterized in that: A reinforcement splicing component is provided on the other side of the support block (2); The reinforcement splicing assembly comprises a positioning block (5) arranged on the other side of the support block (2), and the positioning block (5) is plugged into the support block (2), and both ends of the positioning plate (3) are connected to frame plates (4); The inner wall of the frame plate (4) is rotatably connected to a screw rod (7), the outer wall of the screw rod (7) is threadedly connected to a sleeve block (8), and a docking block (9) is welded to one side of the sleeve block (8).
2. The inclined shaft expansion trolley guardrail splicing structure according to claim 1 is characterized in that: The two frame plates (4) are both fixedly connected to the positioning plate (3), and the two frame plates (4) are symmetrically arranged with respect to the positioning plate (3).
3. The inclined shaft expansion trolley guardrail splicing structure according to claim 1 is characterized in that: The outer wall of the sleeve block (8) is slidably connected to the inner wall of the frame plate (4), and the inner wall of the frame plate (4) and the outer wall of the sleeve block (8) are both polished and ground.
4. The inclined shaft expansion trolley guardrail splicing structure according to claim 1 is characterized in that: A rotating cap (10) is welded to one end of the screw rod (7), a fixed guardrail (11) is welded to the bottom end of each frame plate (4), and a support block (12) is welded to the bottom end of the fixed guardrail (11).
5. The inclined shaft expansion trolley guardrail splicing structure according to claim 4 is characterized in that: A support plate (13) is fixedly installed between the two support blocks (12); The bottom end of each support block (12) is detachably connected to a moving wheel (14) via bolts.
6. The inclined shaft expansion trolley guardrail splicing structure according to claim 1 is characterized in that: One end of the plug board (6) is fixedly connected to a socket block (15), and a positioning assembly is installed on the inner wall of the socket block (15); The positioning assembly comprises a guide column (16) slidably mounted on the inner wall of the sleeve block (15), and one end of the guide column (16) is fixedly connected to a support column (17), and the support column (17) is fixedly connected to the positioning plate (3); A sleeve slider (18) is welded to one side of the sleeve block (15), a positioning slider (19) is slidably connected to the inner wall of the sleeve slider (18), and a slide column (20) is fixedly installed at one end of the positioning slider (19), and the slide column (20) is welded to the positioning plate (3); A plurality of slide bars (21) are fixedly connected to the outer wall of the slide column (20).
7. The inclined shaft expansion trolley guardrail splicing structure according to claim 6 is characterized in that: The plurality of slide bars (21) are all slidably connected to the sleeve sliding block (18), and the plurality of slide bars (21) are arranged in a circular ring with equal spacing.