CN219219047U - A trench excavation support device - Google Patents

Abstract

The utility model discloses a trench excavation supporting device, which belongs to the technical field of trench supporting and aims at the problems of inconvenience in use and difficulty in transferring and transportation caused by large supporting devices in the prior art, and comprises a first support and a second support, wherein the second support is arranged on one side of the first support; the soil retaining adhesive tape can carry out soil slump-proof treatment on the groove wall, and compared with the traditional soil retaining plate, the adopted soil retaining adhesive tape has the advantages of light weight, convenience for independent disassembly and assembly of personnel and convenience for transfer.

Description

A trench excavation support device

technical field

The utility model belongs to the technical field of trench support, in particular to a trench excavation support device.

Background technique

In recent years, the renewal and transformation of old cities has become an important link and hot topic for solving the difficulties of the people, improving the living environment, and improving the quality of the city. Trench excavation is an important part of the old city renewal and upgrading project. Trench excavation is one of the more common construction procedures in earthworks. During the trench excavation process and the duration of the construction period, often Due to the loose soil, the soil on the trench wall collapses, which makes the trench blocked and affects the work. Therefore, corresponding protective measures should be taken during the excavation of the trench to ensure the stability of the soil on the trench wall and the trench support. In order to ensure the safety of the underground structure construction and the surrounding environment of the trench, the support, reinforcement and protection measures are adopted for the side wall of the trench and the surrounding environment. Since the scope of transformation is generally located in densely populated urban areas, there are many surrounding infrastructures, and the construction space is narrow. The completed roads are distributed above and below ground for power and telecommunications, water supply and drainage, rainwater and sewage, heating gas, etc. Road renovation projects involving rain and sewage diversion, overhead lines entering the ground, and other trench excavation operations generally cannot use sloping excavation. Dig way.

Most of the methods in the prior art are to use vertical boards to support the inner wall of the trench to reduce soil falling. However, it is cumbersome to support the vertical boards on both sides of the soil retaining in small-width trenches, and the soil retaining vertical boards and The support frame is large and heavy, and it is not convenient to insert and take out the support structure in the foundation pit. The multi-segment soil retaining vertical plate makes the transfer and transportation of the support device have limitations.

Therefore, there is a need for a trench excavation support device to solve the problems in the prior art that the support device is large and heavy, which leads to inconvenient use and difficult transfer and transportation.

Utility model content

The purpose of this utility model is to provide a trench excavation support device to solve the problems raised in the background technology above.

In order to achieve the above object, the utility model provides the following technical solutions: a trench excavation support device, including a first support and a second support, the second support is arranged on one side of the first support, The upper part of the first bearing and the second bearing is provided with a soil retaining assembly, and the soil retaining assembly includes two erected pillars, soil retaining tape and a reinforced pressure plate, and one of the erected pillars is fixed on the first At the center of the upper surface of the support, another upright pillar is fixed at the center of the upper surface of the second support, the soil retaining adhesive tape is fixed between the two upright pillars, and the reinforcing plate is arranged on the soil retaining On the front side of the adhesive plaster, the inside of the first support and the second support is provided with a cloth receiving trough, and the cloth receiving troughs of the first support and the second support are rotatably connected with Turn the blocks.

What needs to be explained in the solution is that the lower end of the upright pillar is fixed at the center of the upper end surface of the rotating block, and the four corners of the lower surface of the first support and the second support are fixed with ground piles.

It is further worth noting that the upper surfaces of the first support and the second support are provided with guide chute, and the inside of the guide chute is slidably connected with a guide arm, and the guide arm protrudes One end of the first support is fixed on the front surface of the reinforcing plate.

Further, it should be noted that a rotating support is fixed on the front edge of the upper surface of the first support and the second support, and a screw seat is fixed on the rear surface of the rotating support. The inside of the screw seat and the rotating support is pierced with a pressing screw, and the end of the pressing screw away from the guide arm is fixed with an adjustment handle.

As a preferred embodiment, the pressing screw is threadedly connected with the screw seat, and one end of the pressing screw abuts against the front part of the guide arm.

As a preferred embodiment, two sets of the reinforcing platen are arranged symmetrically on the rear side of the soil-retaining adhesive tape, and the rear surface of the reinforcing platen is attached to the front surface of the soil-retaining adhesive tape.

Compared with the prior art, the utility model provides a trench excavation support device, which at least includes the following beneficial effects:

Through the installed soil retaining components, the reinforcement plate presses the soil retaining tape from the front side to make it close to the trench wall, so that the soil retaining tape can prevent the soil from collapsing on the trench wall. It has the advantages of light weight, convenient disassembly and assembly by personnel and easy transfer.

Through the set of upright pillars and rotating blocks, after use, the soil retaining tape is rolled up on an upright pillar, which can greatly reduce the occupied space of the support device, thereby facilitating the transfer and installation of the support device in the trench. Subsequent transfer transportation.

Description of drawings

Fig. 1 is a perspective view of the overall structure of the utility model;

Fig. 2 is the perspective view of the structure of the soil retaining adhesive tape of the present utility model;

Fig. 3 is a three-dimensional view of the screw rod structure of the utility model;

Fig. 4 is a sectional view of the first support of the present invention.

In the figure: 1. The first support; 2. The second support; 3. The pile body inserted into the ground; 4. The erected pillar; 5. The soil retaining tape; 9. Screw in the screw seat; 10. Tighten the screw rod; 11. Adjust the handle; 12. Guide chute; 13. Rotating block;

Detailed ways

Below in conjunction with embodiment the utility model is described further.

Please refer to Figures 1-4, the utility model provides a trench excavation support device, including a first support 1 and a second support 2, the second support 2 is set on one side of the first support 1, The upper part of the first support 1 and the second support 2 is provided with a soil retaining assembly, the soil retaining assembly includes two upright pillars 4, soil retaining adhesive tape 5 and a reinforcement pressure plate 6, and one upright pillar 4 is fixed on the first support At the center of the upper surface of 1, another upright pillar 4 is fixed at the center of the upper surface of the second support 2, the soil retaining tape 5 is fixed between the two upright pillars 4, and the reinforcing plate 6 is arranged on the soil retaining tape 5 The front side of the first support 1 and the second support 2 are provided with a cloth receiving turn slot 14, and the first support 1 and the second support 2 are rotatably connected to the cloth receiving turn slot 14 with a rotating block 13 , the screw rod 10 is screwed inward along the screw seat 9 and pushes the guide arm 7 until the reinforcement plate 6 presses the soil retaining tape 5 from the front side to make it close to the groove wall.

Further as shown in Fig. 1, Fig. 2 and Fig. 3, it is worth explaining specifically that the lower end of the upright pillar 4 is fixed at the center of the upper end surface of the rotating block 13, and the lower ends of the first support 1 and the second support 2 Ground-inserting piles 3 are fixed at the four corners of the surface, and the set of ground-inserting piles 3 can make the device stably arranged in the groove.

As further shown in Figure 3, it is worth explaining in detail that the upper surfaces of the first support 1 and the second support 2 are provided with a guide chute 12, and the inside of the guide chute 12 is slidably connected with a guide arm 7, One end of the guide arm 7 protruding from the first support 1 is fixed on the front surface of the reinforcing plate 6 .

This scheme has the following working process: when in use, the first support 1 and the second support 2 are fixed in the groove through the ground pile body 3 at the bottom, and at this time the first support 1 is separated from the second support 2 , so that the soil retaining tape 5 between the two upright pillars 4 is stretched straight out, and then the adjustment handle 11 is turned to drive the pressing screw 10 to screw inward along the screw seat 9 and push the guide arm 7 until The reinforcement plate 6 presses the soil retaining tape 5 from the front side to make it close to the trench wall, so that the soil retaining tape 5 can prevent the trench wall from collapsing, and the soil retaining tape 5 used is lighter in weight than the traditional soil retaining board. , The advantages of being convenient for personnel to disassemble independently and easy to transfer.

According to the above working process, it can be seen that the reinforcement plate 6 presses the soil retaining tape 5 from the front side to make it close to the trench wall, so that the soil retaining tape 5 can prevent the soil from collapsing on the trench wall, and the soil retaining tape 5 used is more traditional The retaining board has the advantages of light weight, convenient disassembly and assembly by personnel and easy transfer.

As further shown in Fig. 1, Fig. 2 and Fig. 4, it is worth explaining in detail that a rotating support 8 is fixed at the front edge of the upper surface of the first support 1 and the second support 2, and the rear of the rotating support 8 The screw seat 9 is fixed on the surface, and the inside of the screw seat 9 and the rotating support 8 is pierced with a screw rod 10, and the end of the screw rod 10 away from the guide arm 7 is fixed with an adjustment handle 11. After use, The rotating block 13 can control the rotation of the upright pillar 4 in the cloth receiving chute 14, so that the soil retaining adhesive tape 5 is rolled up on an upright pillar 4, which can greatly reduce the occupied space of the support device, thereby facilitating the support The transfer of the protection device in the trench and the subsequent transfer to the field.

As further shown in FIG. 3 , it is worth mentioning that the pressing screw 10 is threadedly connected with the screw seat 9 , and one end of the pressing screw 10 abuts against the front of the guide arm 7 .

As further shown in FIG. 1 , it is worth mentioning that two sets of reinforcing platen 6 are located symmetrically behind the soil retaining tape 5 , and the rear surface of the reinforcing platen 6 is attached to the front surface of the soil retaining tape 5 .

To sum up: the reinforced pressure plate 6 presses the soil retaining tape 5 from the front side to make it close to the trench wall, so that the soil retaining tape 5 can prevent the soil from collapsing on the trench wall. It has the advantages of light weight, convenient personnel to disassemble and assemble independently, and easy to transfer; after use, the rotating block 13 rotates in the cloth receiving trough 14 to control the rotation of the upright pillar 4, so that the soil retaining adhesive tape 5 is rolled up on an upright pillar 4, this can greatly reduce the occupied space of the support device, thereby facilitating the transfer of the support device in the trench and subsequent transition transportation.

Claims (6)

1. The utility model provides a slot excavation strutting arrangement, includes first support (1) and second support (2), second support (2) set up in one side of first support (1), its characterized in that: the utility model provides a soil-retaining assembly is provided with on the upper portion of first support (1) with second support (2), the soil-retaining assembly includes two upright pillars (4), soil-retaining adhesive tape (5) and consolidates clamp plate (6), one upright pillar (4) is fixed in the upper surface center department of first support (1), another upright pillar (4) is fixed in the upper surface center department of second support (2), soil-retaining adhesive tape (5) are fixed between two upright pillars (4), consolidate clamp plate (6) set up in the front side of soil-retaining adhesive tape (5), first support (1) with receipts cloth rotary groove (14) have been seted up to the inside of second support (2), all rotate in receipts cloth rotary groove (14) of first support (1) with second support (2) and be connected with rotary block (13).

2. A trench excavation supporting apparatus as claimed in claim 1, wherein: the lower end of the upright support (4) is fixed at the center of the upper end face of the rotating block (13), and ground inserting piles (3) are fixed at four corners of the lower surface of the first support (1) and the lower surface of the second support (2).

3. A trench digging support apparatus according to claim 2 wherein: the upper surfaces of the first support (1) and the second support (2) are provided with guide sliding grooves (12), guide support arms (7) are connected to the inside of the guide sliding grooves (12) in a sliding mode, and one ends, extending out of the first support (1), of the guide support arms (7) are fixed on the front surface of the reinforcing pressing plate (6).

4. A trench digging support apparatus according to claim 3 wherein: the novel screw support is characterized in that a rotating support (8) is fixed at the front edge of the upper surface of the first support (1) and the front edge of the upper surface of the second support (2), a screw seat (9) is fixed on the rear surface of the rotating support (8), a tight supporting screw (10) is arranged in the screw seat (9) and the rotating support (8) in a penetrating mode, and an adjusting handle (11) is fixed at one end, far away from the guide support arm (7), of the tight supporting screw (10).

5. A trench digging support apparatus according to claim 4 wherein: the abutting screw rod (10) is in threaded connection with the screwing screw seat (9), and one end of the abutting screw rod (10) abuts against the front part of the guide support arm (7).

6. A trench digging support apparatus according to claim 5 wherein: the reinforcing pressing plate (6) is symmetrically arranged at the rear side of the soil retaining adhesive tape (5) and is provided with two groups, and the rear surface of the reinforcing pressing plate (6) is attached to the front surface of the soil retaining adhesive tape (5).

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