Wall jacking assembly for anchor rod trolley

Abstract

The utility model relates to the field of wall jacking assemblies, in particular to a wall jacking assembly for an anchor rod trolley. The wall jacking assembly comprises milling teeth, a wall jacking plate, a bearing outer seat, a first pressing plate, a tapered roller bearing, a transition connecting seat, a second pressing plate and a lip-shaped sealing ring. The top wall plate is connected with the milling teeth and arranged on the bearing outer seat, the bearing outer seat is connected with the transition connecting seat through the tapered roller bearing, the transition connecting seat is connected with the first pressing plate, the lip-shaped sealing ring is arranged on the bearing outer seat, and the second pressing plate is arranged beside the lip-shaped sealing ring. According to the wall jacking assembly for the anchor rod trolley, the top teeth are the milling teeth, so that the wall jacking assembly has the characteristics of high hardness and high wear resistance, and the service life is prolonged; the interior is lubricated by a tapered roller bearing to prevent follow-up of the top wall assembly; the problems that a conventional top wall assembly is not resistant to abrasion and short in service life and needs follow-up are solved, the stability of the top wall assembly is improved, the hole alignment precision is improved, and the anchor rod construction efficiency is improved. The top wall assembly is small, simple and long in service life, and development cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of roof and wall components, and more particularly to a roof and wall component for an anchor bolt trolley. Background Technology

[0002] Anchor bolt trolleys are widely used in various underground engineering constructions such as tunnel excavation and underground powerhouse excavation. They can perform operations such as blasting drilling, anchor bolt drilling, advance drilling, and grouting. The top wall component plays a crucial role in anchor bolt operations by tightening the working arm and preventing the arm displacement from affecting the accuracy of the hole.

[0003] However, existing ceiling and wall components often use ordinary steel and require additional heat treatment processes, which presents the following problems:

[0004] 1. It is still not wear-resistant in actual use and has a short service life;

[0005] 2. When conventional top wall components apply prestress to tighten the working face or surrounding rock with the tightening cylinder, the large tightening force causes the top wall components to rotate with the boom and the tightening cylinder, which cannot achieve the purpose of tightening the working boom and keeping it stationary. Utility Model Content

[0006] The purpose of this invention is to address the problems in the prior art by proposing a top wall assembly for an anchor bolt trolley that is high in hardness, high in wear resistance, and rotates smoothly.

[0007] A top wall assembly for an anchor bolt trolley includes milling teeth, a top wall plate, a bearing outer seat, a first pressure plate, a tapered roller bearing, a transition connecting seat, a second pressure plate, and a lip seal.

[0008] The top wall plate is connected to milling teeth and is set on the bearing outer seat. The bearing outer seat and the transition connecting seat are connected by a tapered roller bearing. The transition connecting seat is connected to the first pressure plate. The lip seal is set on the bearing outer seat and the second pressure plate is set next to the lip seal.

[0009] Furthermore, a top wall assembly for an anchor bolt trolley, wherein the top wall plate is bolted to the bearing outer seat.

[0010] Furthermore, a top wall assembly for an anchor bolt trolley, wherein a plurality of milling teeth are welded to the front end of the top wall plate.

[0011] Furthermore, in a top wall assembly for an anchor bolt trolley, the bearing outer seat and the transition connection seat are connected by two tapered roller bearings in opposite directions.

[0012] Furthermore, in a top wall assembly for an anchor bolt trolley, the front end of the transition connection seat is bolted to a first pressure plate, which fixes a tapered roller bearing.

[0013] Furthermore, in a top wall assembly for an anchor bolt trolley, a lip seal is provided at the rear end of the bearing outer seat, and the lip seal is limited by a second pressure plate.

[0014] Furthermore, a top wall assembly for an anchor bolt trolley is bolted to the front end of a tightening cylinder.

[0015] The beneficial effects of this utility model are as follows: A top wall assembly for an anchor bolt trolley has milled teeth with high hardness and wear resistance, increasing its service life; internally, it uses tapered roller bearings for lubrication to prevent the top wall assembly from moving; it solves the problems of conventional top wall assemblies being not wear-resistant, having a short service life, and being prone to movement, thus improving the stability of the top wall assembly, increasing the accuracy of hole alignment, and improving the efficiency of anchor bolt construction; the top wall assembly is compact and simple, has a long service life, and reduces development costs. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of a top wall assembly used for an anchor bolt trolley.

[0017] In the diagram: 1-milling tooth, 2-top wall plate, 3-bearing outer seat, 4-first pressure plate, 5-tapered roller bearing, 6-transition connecting seat, 7-second pressure plate, 8-lip seal ring. Detailed Implementation

[0018] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0019] As attached Figure 1 As shown, a top wall assembly for an anchor bolt trolley includes milling teeth 1, a top wall plate 2, a bearing outer seat 3, a first pressure plate 4, a tapered roller bearing 5, a transition connecting seat 6, a second pressure plate 7, and a lip seal ring 8.

[0020] The top wall plate 2 is connected to the milling teeth 1. The top wall plate 2 is set on the bearing outer seat 3. The bearing outer seat 3 and the transition connecting seat 6 are connected by a tapered roller bearing 5. The transition connecting seat 6 is connected to the first pressure plate 4. The lip seal 8 is set on the bearing outer seat 3. The second pressure plate 7 is set next to the lip seal 8.

[0021] Furthermore, a top wall assembly for an anchor bolt trolley, wherein the top wall plate 2 is fixed to the bearing outer seat 3 by bolts.

[0022] Furthermore, a top wall assembly for an anchor bolt trolley, wherein a plurality of milling teeth 1 are welded to the front end of the top wall plate 2.

[0023] Furthermore, in a top wall assembly for an anchor bolt trolley, the bearing outer seat 3 and the transition connection seat 6 are connected by two tapered roller bearings 5 ​​in opposite directions.

[0024] Furthermore, in a top wall assembly for an anchor bolt trolley, the front end of the transition connection seat 6 is bolted to a first pressure plate 4, and the first pressure plate 4 fixes a tapered roller bearing 5.

[0025] Furthermore, in a top wall assembly for an anchor bolt trolley, a lip seal 8 is provided at the rear end of the bearing outer seat 3, and the lip seal 8 is limited by a second pressure plate 7.

[0026] Furthermore, a top wall assembly for an anchor bolt trolley is bolted to the front end of a tightening cylinder.

[0027] Among them, the lip seal ring 8 is limited by the second pressure plate 7, which serves to prevent dust and water. The top wall assembly is fixed to the front end of the top tightening cylinder by bolts, which serves to tighten the working arm. The first pressure plate 4 prevents the tapered roller bearing 5 from moving.

[0028] A top wall assembly for an anchor bolt trolley has the following working process: when the boom is working, the boom is moved to a designated position, and the top wall assembly extends with the tightening cylinder and presses against the working face or surrounding rock to tighten the working boom, prevent boom displacement, and complete the subsequent rock drilling and anchor bolt installation processes.

[0029] This solution utilizes a top-wall assembly for anchor bolt trolleys. The top teeth are milled, exhibiting high hardness and wear resistance, thus increasing service life. Internally, tapered roller bearings provide lubrication, preventing the top-wall assembly from shifting. This solution addresses the problems of conventional top-wall assemblies, such as poor wear resistance, short lifespan, and tendency to shift, improving the stability of the top-wall assembly, increasing hole alignment accuracy, and enhancing anchor bolt construction efficiency. The top-wall assembly is compact, simple, and has a long service life, reducing development costs.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A top wall assembly for an anchor bolt trolley, characterized in that, Includes milling teeth (1), top wall plate (2), bearing outer seat (3), first pressure plate (4), tapered roller bearing (5), transition connecting seat (6), second pressure plate (7), and lip seal (8); The top wall plate (2) is connected to the milling teeth (1). The top wall plate (2) is set on the bearing outer seat (3). The bearing outer seat (3) and the transition connecting seat (6) are connected by a tapered roller bearing (5). The transition connecting seat (6) is connected to the first pressure plate (4). The lip seal (8) is set on the bearing outer seat (3). The second pressure plate (7) is set next to the lip seal (8).

2. The top wall assembly for an anchor bolt trolley as described in claim 1, characterized in that, The top wall panel (2) is fixed to the bearing outer seat (3) by bolts.

3. A top wall assembly for an anchor bolt trolley as described in claim 1, characterized in that, Several milling teeth (1) are welded to the front end of the top wall panel (2).

4. A top wall assembly for an anchor bolt trolley as described in claim 1, characterized in that, The bearing outer housing (3) and the transition connecting seat (6) are connected by two tapered roller bearings (5) in opposite directions.

5. A top wall assembly for an anchor bolt trolley as described in claim 1, characterized in that, The front end of the transition connecting seat (6) is connected to the first pressure plate (4) by bolts, and the first pressure plate (4) fixes the tapered roller bearing (5).

6. A top wall assembly for an anchor bolt trolley as described in claim 1, characterized in that, The rear end of the bearing outer housing (3) is provided with a lip seal (8), which is limited by the second pressure plate (7).

7. A top wall assembly for an anchor bolt trolley as described in claim 1, characterized in that, The top wall assembly is fixed to the front end of the top tightening cylinder by bolts.

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