Steel truss trestle mounting device

Abstract

The utility model belongs to the technical field of steel truss installation, and particularly relates to a steel truss trestle installation device which comprises an electric installer body, a driving rod is installed at the output end of the electric installer body, a sleeve is connected to the side wall of the driving rod in a sliding mode, and a fixing ring is fixedly connected to the side wall of the driving rod. A first spring is installed between the fixing ring and the sleeve, the first spring is arranged on the outer side of the driving rod in a sleeving mode, and an installation support is installed at the top end of the electric installer body. Through cooperative use of the driving rod and the sleeve, the coverage range of the screw cap is wider, the phenomenon that the sleeve is loosened is reduced, the continuity of installation operation is effectively guaranteed, the situation of interruption is reduced, and the operation efficiency is improved; through cooperative use of the mounting support, the side bracket and the auxiliary stop lever, the auxiliary stop lever is limited by one or more structural points of the steel truss, so that the auxiliary stop lever and the side bracket can assist in limiting the electric installer main body.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel truss installation technical field, concretely relates to a steel truss trestle installation device. BACKGROUND

[0002] In the installation operation of the trestle steel truss, a large number of steel components mainly rely on bolt connection to form a stable overall structure, and this connection mode plays a decisive role in the safety and stability of the trestle. At present, in the bolt connection operation of the trestle steel truss, the traditional electric wrench is a commonly used tool. Its working principle is to rotate the sleeve by using the electric driving force to drive the sleeve to rotate, so as to realize the tightening and loosening of the screw.

[0003] However, in the actual use process, the traditional electric wrench exposes some problems to be solved. On the one hand, the actual connection part of the traditional sleeve and the screw is relatively short. In the high-speed rotating operation of the electric wrench and the complex vibration environment of the construction site, the sleeve is prone to loosening, which causes the installation operation to be interrupted, seriously reduces the operation efficiency, and increases the construction cost. On the other hand, in the last stage of the screw tightening operation, in order to achieve the design required tightening torque, workers often need to exert a large amount of hand force to assist the electric wrench, which is easy to cause the electric wrench to slip and lose control, and causes safety accidents, which seriously threatens the personal safety of the workers. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a kind of steel truss trestle installation device, with solve in the installation operation of the trestle steel truss electric wrench is prone to loosening and the characteristics of losing control.

[0005] The utility model provides the following technical scheme: including electric installation ware main part, the electric installation ware main part output end is installed with driving rod, the driving rod side wall is slidably connected with sleeve, the driving rod side wall is fixedly connected with fixed ring, the first spring is installed between the fixed ring with the sleeve, the first spring is set on the outside of the driving rod, the electric installation ware main part top end is installed with installation support, the inner wall of the installation support is rotatably connected with inner rotary rod, the inner wall of the inner rotary rod is slidably connected with two hexagonal slide rods, the both sides of the installation support are provided with side support, the side support is fixedly connected with the one end of corresponding hexagonal slide rod, the both ends of two side supports are slidably connected with auxiliary blocking rod, and the auxiliary blocking rod with the side support between is provided with damping layer.

[0006] Among them, the one end of the driving rod is installed with the limiting plate that shields the sleeve, and the sleeve is slidably connected to the side wall of the limiting plate.

[0007] Among them, the one end of the sleeve is embeddedly installed with a plurality of spherical rolling bodies, and the plurality of spherical rolling bodies are distributed in a circumferential array.

[0008] Two installation legs are fixedly connected on the two sides of the installation support, and the installation legs are installed on the top end of the electric installation device main body through screws.

[0009] A U-shaped support frame is installed on one side of the installation support, a limiting plug rod is slidably connected to the inner wall of the U-shaped support frame, two limiting plug holes are formed in the inner rotating rod, and the limiting plug rod is inserted into the inner wall of the two limiting plug holes.

[0010] A fixing sleeve is fixedly connected to the side wall of the limiting plug rod, a second spring is installed between the fixing sleeve and the U-shaped support frame, and the second spring is sleeved on the side wall of the limiting plug rod.

[0011] A connecting sleeve is arranged between the two side supports, two torque adjusting screws are threadedly connected to the inner wall of the connecting sleeve, the two torque adjusting screws are installed on one side of the corresponding side support, and the two torque adjusting screws are threadedly arranged in opposite directions.

[0012] The utility model discloses the cooperation of drive rod and sleeve makes the coverage range of screw cap be more extensive, reduces the loosening phenomenon of sleeve, effectively guarantees the continuity of installation operation, reduces the situation of interruption, improves operation efficiency, through the cooperation of installation support, side support and auxiliary blocking rod, the auxiliary blocking rod is restricted by one or more structure points of steel truss, makes the auxiliary blocking rod and side support can assist the limiting of electric installation device main body, thereby without personnel manual electric installation device main body is added to the control intensity of big, can complete the screwing action of screw, solves the problem that the traditional electric wrench is used and is easy to appear to drop hand and out of control situation, causes the safety accident, and the personal safety of worker constitutes the serious threat problem.

[0013] The parts not involved in the device are the same as or can be realized by the prior art. DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model in the folding state.

[0015] Figure 2 It is Figure 1 The enlarged schematic diagram of A part in the utility model.

[0016] Figure 3 It is a three-dimensional enlarged sectional structure schematic diagram of the drive rod and other components in the utility model.

[0017] Figure 4 It is a three-dimensional enlarged exploded structure schematic diagram of the installation support and other components in the utility model.

[0018] Figure 5 It is Figure 4Enlarged view of the middle B part.

[0019] In the figure: 1, the electric installation body; 2, drive rod; 21, sleeve; 211, spherical rolling body; 22, fixed ring; 23, first spring; 24, limiting plate; 3, installation support; 31, inner rotating rod; 311, limiting hole; 32, six-edge sliding rod; 33, installation support leg; 34, U-shaped support frame; 35, limiting plug; 351, fixed sleeve ring; 36, second spring; 4, side support; 41, auxiliary blocking rod; 42, connecting sleeve; 43, torque adjusting screw. DETAILED DESCRIPTION

[0020] Please refer to Figures 1-5 The utility model provides the following technical scheme: including electric installation body 1, electric installation body 1 output end installs drive rod 2, drive rod 2 side wall sliding connection has sleeve 21, drive rod 2 side wall fixed connection has fixed ring 22, and the first spring 23 of installing between fixed ring 22 and sleeve 21, and the first spring 23 is set on the outside of drive rod 2, and electric installation body 1 top end installs installation support 3, and the inner rotating rod 31 of installation support 3 inner wall rotation is connected, and two six-edge sliding rods 32 of inner rotating rod 31 inner wall sliding connection have, and the both sides of installation support 3 are all provided with side support 4, and side support 4 fixed connection is in corresponding six-edge sliding rod 32 one end, and the both ends of two side supports 4 are all slidingly connected with auxiliary blocking rod 41, and auxiliary blocking rod 41 and side support 4 between all are provided with damping layer.

[0021] In the embodiment: the electric installer body 1 supports various components of the device, the electric installer body 1 is an electric wrench, one end of the drive rod 2 is inserted into the end of the electric installer body 1 for installation and fixation, the drive rod 2 is rotated by the electric installer body 1, the drive rod 2 is connected to the screw cap on the steel truss through the sleeve 21 on the side wall, the drive rod 2 provides support to the first spring 23 through the fixing ring 22, the first spring 23 pushes the sleeve 21, so that the sleeve 21 can automatically extend, the length of the sleeve 21 is sufficient, so that it covers a wider range of screw caps, the inner wall of the sleeve 21 can drive and rotate the screw cap when it is used on the screw cap, the tightening action of the screw cap is completed, the loosening of the sleeve 21 is reduced, the continuity of the installation work is effectively guaranteed, the interruption is reduced, the work efficiency is improved, the electric installer body 1 supports the installation support 3, the installation support 3 and the side support 4 and other components are made of aluminum alloy composite material, lightweight design, and ensure the strength of itself, the installation support 3 supports the two side supports 4 through the inner rotating rod 31 and the two six-sided sliding rods 32, by adjusting the angle between the inner rotating rod 31 and the installation support 3, the angle between the two side supports 4 and the installation support 3 and the electric installer body 1 is adjusted, so that the side support 4 and the auxiliary stop rod 41 can realize the angle stage, which is convenient for adjusting the device in use and non-use conditions, when the auxiliary stop rod 41 is perpendicular to the drive rod 2, the device is folded as a whole, when the auxiliary stop rod 41 is adjusted to be parallel to the drive rod 2, the auxiliary stop rod 41 can contact the structure point near the screw of the steel truss at that part, when the screw is finally tightened, the auxiliary stop rod 41 is limited by one or more structure points of the steel truss, so that the auxiliary stop rod 41 and the side support 4 can assist in limiting the electric installer body 1, so that the electric installer body 1 can be tightened without manual control, which solves the problem of traditional electric wrenches that are easy to slip and lose control, causing safety accidents and posing a serious threat to the personal safety of workers, and the damping layer between the auxiliary stop rod 41 and the side support 4 allows the auxiliary stop rod 41 and the side support 4 to be flexibly adjusted and kept stable, which is convenient for flexible use.

[0022] The drive rod 2 has a limiting plate 24 installed at one end to block the sleeve 21, and the sleeve 21 is slidingly connected to the side wall of the limiting plate 24; the limiting plate 24 limits the sleeve 21, so that when the first spring 23 pushes the sleeve 21, the sleeve 21 will not come off the drive rod 2, ensuring stability.

[0023] The sleeve 21 has a plurality of spherical rolling bodies 211 embedded at one end, and the plurality of spherical rolling bodies 211 are arranged in a circular array; when the end of the sleeve 21 contacts the structure point of the steel truss, the sleeve 21 can reduce resistance and energy consumption through the plurality of spherical rolling bodies 211.

[0024] The two installation legs 33 are fixedly connected to the two sides of the installation support 3 and are screwed to the top end of the electric mount body 1. The four installation legs 33 are evenly distributed around the installation support 3, so that the installation support 3 and the electric mount body 1 are detachably connected, and the installation support 3 and the side bracket 4 and other components are rotated for use according to the actual application situation on site.

[0025] The U-shaped support frame 34 is installed on one side of the installation support 3. The U-shaped support frame 34 is slidably connected with the limiting plug rod 35. The inner rotating rod 31 is provided with two limiting plug holes 311. The limiting plug rod 35 is inserted into the inner wall of the two limiting plug holes 311. The installation support 3 supports the U-shaped support frame 34. The U-shaped support frame 34 slidably guides the limiting plug rod 35. When the limiting plug rod 35 is inserted into the limiting plug hole 311, the inner rotating rod 31 is limited by the limiting plug rod 35, so that the inner rotating rod 31, the side bracket 4 and the auxiliary blocking rod 41 can be used at a fixed angle.

[0026] The limiting plug rod 35 is fixedly connected with the fixed sleeve ring 351. The second spring 36 is installed between the fixed sleeve ring 351 and the U-shaped support frame 34. The second spring 36 is sleeved on the side wall of the limiting plug rod 35. The U-shaped support frame 34 pushes the fixed sleeve ring 351 through the second spring 36, so that the fixed sleeve ring 351 can drive the limiting plug rod 35 to be stably connected with the limiting plug hole 311, and the limiting plug rod 35 can stably limit the inner rotating rod 31.

[0027] The connecting sleeve 42 is arranged between the two side brackets 4. The connecting sleeve 42 is threadedly connected with two torque adjusting screws 43. The two torque adjusting screws 43 are installed on one side of the corresponding side bracket 4. The two torque adjusting screws 43 are oppositely threaded. The connecting sleeve 42 can control the two torque adjusting screws 43 at the same time. By rotating the connecting sleeve 42, the two torque adjusting screws 43 are connected with the two groups of threads in the connecting sleeve 42, so that the two torque adjusting screws 43 can drive the respective side brackets 4 to move close or away, so as to adjust the distance between the two side brackets 4 and the two groups of auxiliary blocking rods 41, and to be adjusted and used according to the specific structure of different parts of the steel truss.

[0028] The working principle and use process of the utility model: when using, the angle of two side supports 4 is adjusted, so that the auxiliary blocking rod 41 can adjust the parallel angle with the driving rod 2, the position between the side support 4 and the auxiliary blocking rod 41 is adjusted according to the different shapes around the screw on the steel truss, and the torque screw rod 43 is rotated, the spacing between the two side supports 4 and the two groups of auxiliary blocking rods 41 is adjusted, so as to adapt to the site situation, then the sleeve 21 is sleeved on the screw cap for use, the inner wall of different areas can drive and rotate the screw cap, the screwing action of the screw cap is completed, the loosening phenomenon of the sleeve 21 is reduced, the continuity of the installation operation is effectively ensured, the interruption is reduced, and the operation efficiency is improved, when the screw is finally tightened, the auxiliary blocking rod 41 is limited by one or more structure points of the steel truss, so that the auxiliary blocking rod 41 and the side support 4 can assist in limiting the electric installation device main body 1, so that the screwing action of the screw can be completed without manually applying a large control force to the electric installation device main body 1, after use, reverse operation is carried out, so that the side support 4 and the auxiliary blocking rod 41 are folded and stacked, and the space occupation is reduced.

Claims

1. A steel truss trestle installation device, comprising an electric installer body (1), characterized in that: The output end of the electric installer body (1) is equipped with a drive rod (2). A sleeve (21) is slidably connected to the side wall of the drive rod (2). A fixing ring (22) is fixedly connected to the side wall of the drive rod (2). A first spring (23) is installed between the fixing ring (22) and the sleeve (21). The first spring (23) is sleeved on the outside of the drive rod (2). An installation support (3) is installed at the top of the electric installer body (1). An inner rotating rod (31) is rotatably connected to the inner wall of the installation support (3). Two hexagonal sliding rods (32) are slidably connected to the inner wall of the inner rotating rod (31). Side brackets (4) are provided on both sides of the installation support (3). The side brackets (4) are fixedly connected to one end of the corresponding hexagonal sliding rod (32). Auxiliary stop rods (41) are slidably connected to both ends of the two side brackets (4). A damping layer is provided between the auxiliary stop rods (41) and the side brackets (4).

2. The steel truss trestle installation device according to claim 1, characterized in that: One end of the drive rod (2) is equipped with a limiting plate (24) that blocks the sleeve (21), and the sleeve (21) is slidably connected to the side wall of the limiting plate (24).

3. The steel truss trestle installation device according to claim 1, characterized in that: A plurality of spherical rolling elements (211) are embedded in one end of the sleeve (21), and the plurality of spherical rolling elements (211) are distributed in a circumferential array.

4. The steel truss trestle installation device according to claim 1, characterized in that: The mounting bracket (3) has two mounting feet (33) fixedly connected to both sides, and the mounting feet (33) are installed on the top of the electric installer body (1) by screws.

5. The steel truss trestle installation device according to claim 1, characterized in that: A U-shaped support frame (34) is installed on one side of the mounting bracket (3). A limiting rod (35) is slidably connected to the inner wall of the U-shaped support frame (34). Two limiting holes (311) are opened on the inner rotating rod (31). The limiting rod (35) is inserted into the inner wall of the two limiting holes (311).

6. The steel truss trestle installation device according to claim 5, characterized in that: A fixing collar (351) is fixedly connected to the side wall of the limiting rod (35), and a second spring (36) is installed between the fixing collar (351) and the U-shaped support frame (34). The second spring (36) is sleeved on the side wall of the limiting rod (35).

7. The steel truss trestle installation device according to claim 1, characterized in that: A connecting sleeve (42) is provided between the two side supports (4). The inner wall of the connecting sleeve (42) is threaded with two torque adjusting screws (43). The two torque adjusting screws (43) are installed on the side of the corresponding side support (4), and the threads of the two torque adjusting screws (43) are opened in opposite directions.

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