Wear plate fastening system

Abstract

The utility model provides a wear-resisting plate fastening system which comprises a supporting plate and a wear-resisting plate, the supporting plate and the wear-resisting plate are respectively provided with a supporting plate installation hole and a wear-resisting plate installation hole which correspond to each other, and a fastening component is arranged between the supporting plate installation hole and the wear-resisting plate installation hole in a penetrating mode so that the wear-resisting plate can be fixed to the surface of the supporting plate. The fastening component comprises a bolt and a nut, and at least two recesses are formed in the end face of the nut so as to be connected with a tool for rotating the nut. The supporting plate mounting hole and the wear-resisting plate mounting hole are respectively stepped holes, so that bolts and nuts are respectively propped against the inner hole stepped end surfaces of the supporting plate mounting hole and the wear-resisting plate mounting hole after being locked, and the wear-resisting plate is fixed on the supporting plate. According to the wear-resisting plate fastening system, the supporting plate and the wear-resisting plate can be disassembled and assembled by operating the fastening component and the friction plate by a single person, fastening is safe and reliable, the anti-loosening function is achieved, and the problems of wear-resisting plates of existing mine hoppers, stock bins and other devices are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to fastening technical field, concretely relates to a wear plate fastening system. BACKGROUND

[0002] The fastening structure of the wear plate on the surface of the mine hopper, the stock bin and the like of the existing mine mechanical equipment has the following defects: 1. the structure is complex, there are two groups of spring locking structures inside, the mechanical structure is unreliable, and installation is inconvenient; 2. the product cost is high, which is not conducive to market promotion; 3. it cannot be used in high-temperature and fine dust environments, because the spring locking mechanism will fail in the high-temperature and fine dust environments, the screw rod cannot be taken out after failure, and the labor cost is increased; 4. the nut size is too large, the effective thread stroke is too small, and the wear plate hole and the depth to be fastened are strictly required. The on-site installation difficulty is increased. When the nut wear exceeds 1 / 2 or the nut wear becomes an inclined plane, the nut cannot be taken out; 5. the design of the inner tapered surface of the nut has a greater risk of falling off. SUMMARY

[0003] In view of the defects and deficiencies of the existing technology, the utility model discloses a wear plate fastening system with better performance. The technical scheme is as follows:

[0004] The utility model discloses a wear plate fastening system, including support plate and wear plate, the support plate and wear plate are opened with corresponding support plate mounting hole and wear plate mounting hole respectively, the support plate mounting hole and wear plate mounting hole are equipped with fastening component between wear plate fixed on the surface of support plate,

[0005] The fastening component includes bolt and nut, at least two recesses are arranged on the end face of the nut to be connected with the tool for rotating the nut;

[0006] The support plate mounting hole and the wear plate mounting hole are stepped holes respectively, so that the bolt and the nut are locked and the inner hole stepped end faces of the support plate mounting hole and the wear plate mounting hole are respectively clamped, so that the wear plate is fixed on the support plate.

[0007] As a preferred embodiment of the above technical scheme, the bolt is a T-shaped bolt, and the cavity of the support plate mounting hole containing the head of the T-shaped bolt has a clamping protrusion for preventing rotation.

[0008] As a preferred embodiment of the above technical scheme, the fastening component further includes a lock washer, and the lock washer is arranged in the inner hole stepped end face of the wear plate mounting hole.

[0009] As a preferred embodiment of the above technical scheme, the wear plate includes a base plate layer and a wear-resistant layer, and the inner hole stepped end face of the wear plate mounting hole is arranged on the base plate layer.

[0010] As the preferred technical scheme, the surface of the substrate layer opposite to the support plate is provided with a positioning clamping mechanism.

[0011] As the preferred technical scheme, the clamping mechanism is a clamping groove provided on the surface of the support plate and a clamping protrusion provided on the surface of the substrate layer and matched with the clamping groove.

[0012] As the preferred technical scheme, the part of the support plate mounting hole and the wear plate mounting hole containing the T-shaped bolt screw rod can pass the head of the T-shaped bolt.

[0013] As the preferred technical scheme, the clamping groove and the clamping protrusion respectively have matched inclined surfaces.

[0014] As the preferred technical scheme, the nut is a cylindrical nut.

[0015] As the preferred technical scheme, the corresponding support plate mounting hole and the wear plate mounting hole are two groups, respectively arranged on both sides of the positioning clamping mechanism.

[0016] The utility model provides a wear plate fastening system, and single person operation fastening component and friction plate can realize the dismounting of support plate and wear plate, its fastening is safe and reliable, has the anti looseness function, effectively solved the problem that the wear plate of present mine hopper, silo etc. ACCURATE DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the wear plate fastening system structure schematic view provided by the embodiment of the utility model;

[0019] Figure 2 It is Figure 1 Another angle perspective view;

[0020] Figure 3 It is the fastening mechanism structure schematic view provided in the embodiment of the utility model;

[0021] Figure 4 It is the wear plate structure schematic view provided in the embodiment of the utility model;

[0022] Figure 5 It is Figure 4 Another angle side perspective view of;

[0023] Figure 6 is the T bolt head and the support plate mounting hole inner joint protruding contact state schematic diagram provided in the embodiment of the utility model;

[0024] Figure 7 is Figure 6 A-A schematic diagram, the schematic diagram shows that the inner hole stepped end face state of the support plate mounting hole and the wear plate mounting hole is respectively clamped by the bolt and the nut after locking;

[0025] Figure 8 is Figure 6 B-B schematic diagram of

[0026] Figure 9 is Figure 6 C part enlarged state schematic diagram of DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model embodiment will be described in further detail below in conjunction with the drawings.

[0028] The utility model provides a wear plate fastening system, including support plate 1 and wear plate 2, support plate 1 and wear plate 2 are set up respectively corresponding support plate mounting hole 1-1 and wear plate mounting hole 2-1 on, support plate mounting hole and wear plate mounting hole are set up fastening component 3 between with wear plate is fixed on the surface of support plate with fastening component 3;

[0029] Fastening component 3 includes bolt 3-2 and nut 3-1, at least two recesses 3-4 are arranged on the nut end face to be connected with the tool of rotating the nut, and the nut is cylindrical nut;

[0030] Support plate mounting hole 1-1 and wear plate mounting hole 2-1 are stepped holes respectively, so that the inner hole stepped end face of support plate mounting hole and wear plate mounting hole is respectively clamped by bolt and nut after locking, so that wear plate is fixed on the support plate.

[0031] The bolt is T bolt, and the cavity of the support plate mounting hole containing the head of the T bolt has the joint protruding 1-4 preventing rotation.

[0032] The fastening component further includes lock washer 3-3, and the lock washer is arranged in the inner hole stepped end face of the wear plate mounting hole.

[0033] The wear plate includes a base plate layer 2-2 and a wear-resistant layer 2-3, and the inner hole stepped end surface of the wear plate mounting hole is arranged on the base plate layer, and the base plate layer 2-3 is usually worn away by 10 mm, and the thread of the bolt and the nut is only worn away by 5 mm to have a falling risk. The material of the base plate layer 2-2 can be a Q345 steel plate wear-resistant layer, and the material of the wear-resistant layer 2-3 can be a high-chromium casting. The connection mode between the two can be vacuum brazing, and the intermediate medium is copper.

[0034] The surface opposite to the base plate layer and the support plate is provided with a positioning clamping mechanism. The clamping mechanism is a clamping groove 1-2 arranged on the surface of the support plate, and a clamping protrusion 2-4 arranged on the surface of the base plate layer and matched with the clamping groove. The clamping groove and the clamping protrusion respectively have matching inclined surfaces 1-3 and 2-5. If the gap between the clamping groove and the clamping protrusion is 5 mm, the angle of the inclined surface is at most 15°, and the clamping can be normally disassembled.

[0035] The part of the support plate mounting hole and the wear plate mounting hole containing the T-shaped bolt screw rod can pass the head of the T-shaped bolt, so that the T-shaped bolt screw rod can be conveniently inserted into and out of the mounting hole from any side, and the installation is facilitated.

[0036] The corresponding support plate mounting hole and wear plate mounting hole are two groups and are arranged on the two sides of the positioning clamping mechanism.

[0037] In use, the clamping protrusion is inserted into the clamping groove to realize automatic clamping of the wear plate 2 and the support plate 1 to prevent sliding, and after the mounting holes are aligned, the T-shaped bolt 3-2 is inserted, the T-shaped bolt 3-2 is rotated to make the head of the T-shaped bolt abut against the clamping protrusion 1-4 in the support plate mounting hole to prevent rotation, and then the cylindrical nut is fastened on the T-shaped bolt 3-2 screw rod in the wear plate mounting hole by a tool gun, so that the bolt and the nut are locked, and the inner hole stepped end surfaces of the support plate mounting hole and the wear plate mounting hole are abutted tightly, and the fastening of the wear plate is completed.

[0038] The utility model discloses a kind of wear plate fastening systems, single-person operation fastening component and friction plate can realize the disassembly of support plate and wear plate, its fastening is safe and reliable, and with anti-loose function, effectively solve the problems of wear plate of present mine hopper, stock bin and other equipment.

[0039] The technical scheme of the utility model is described, but not limited thereto; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.

Claims

1. A wear plate fastening system, comprising a support plate and a wear plate, the support plate and the wear plate are respectively provided with corresponding support plate mounting holes and wear plate mounting holes, and a fastening member is arranged between the support plate mounting holes and the wear plate mounting holes to fix the wear plate on the surface of the support plate, characterized in that, the fastening member comprises a bolt and a nut, and at least two recesses are arranged on the end face of the nut to connect with a tool for rotating the nut; the support plate mounting holes and the wear plate mounting holes are stepped holes, so that the bolt and the nut are locked to respectively abut the stepped end faces of the inner holes of the support plate mounting holes and the wear plate mounting holes, thereby fixing the wear plate on the support plate. The bolt is a T-shaped bolt, and the cavity of the support plate mounting hole containing the head of the T-shaped bolt is provided with a clamping protrusion to prevent rotation. The fastening member further comprises a lock washer, which is arranged in the stepped end face of the inner hole of the wear plate mounting hole.

2. The wear plate fastening system of claim 1, wherein, The wear plate comprises a base plate layer and a wear-resistant layer, and the stepped end face of the inner hole of the wear plate mounting hole is arranged on the base plate layer.

3. The wear plate fastening system of claim 1, wherein, The surface of the base plate layer opposite to the support plate is provided with a positioning clamping mechanism.

4. The wear plate fastening system of claim 1, wherein, The positioning clamping mechanism comprises a clamping groove arranged on the surface of the support plate and a clamping protrusion arranged on the surface of the base plate layer and matched with the clamping groove.

5. The wear plate fastening system of claim 4, wherein, The part of the support plate mounting hole and the wear plate mounting hole containing the screw rod of the T-shaped bolt can pass the head of the T-shaped bolt.

6. The wear plate fastening system of claim 5, wherein, The clamping groove and the clamping protrusion respectively have matching inclined surfaces.

7. The wear plate fastening system of claim 2, wherein, The nut is a cylindrical nut.

8. The wear plate fastening system of claim 5, wherein, The corresponding support plate mounting holes and wear plate mounting holes are two groups, which are respectively arranged on both sides of the positioning clamping mechanism.

9. The wear plate fastening system of claim 1, wherein, ​ 10. The wear plate fastening system of claim 5, wherein, ​

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