阅读说明：本技术 一种用于建筑脚手架搭建的螺栓拧紧装置 (Bolt tightening device for building scaffold ) 是由 刘忠和 于 2021-08-12 设计创作，主要内容包括：本发明涉及建筑机械设备技术领域,且公开了一种用于建筑脚手架搭建的螺栓拧紧装置,包括壳体、限位机构、触发机构、触点机构、膨胀机构、控制机构和连通机构,所述壳体的内壁固定连接有所述限位机构,所述壳体的内壁活动连接有所述触发机构,所述壳体的内壁固定连接有所述触点机构。该用于建筑脚手架搭建的螺栓拧紧装置,通过限位机构对控制机构的限位,进而引发触发机构的工作,使膨胀机构发生膨胀将连通机构与触电机构分离当螺栓被拧紧后,避免螺栓拧紧装置继续拧动螺栓的现象,避免增加电机的荷载,防止对电机的损伤,提高了电机的使用寿命,防止建筑脚手架的螺栓滑丝,避免建筑脚手架得不到固定,提高建筑脚手架使用的安全系数。(The invention relates to the technical field of construction machinery equipment, and discloses a bolt tightening device for building a construction scaffold. This a bolt tightening device for building scaffold puts up, it is spacing to control mechanism through stop gear, and then cause trigger mechanism's work, make expansion mechanism take place the inflation with the feed through mechanism with the separation of electric shock mechanism when the bolt is screwed up the back, avoid the bolt tightening device to continue to twist the phenomenon of moving the bolt, avoid increasing the load of motor, prevent the damage to the motor, the life of motor has been improved, prevent building scaffold's bolt silking, avoid building scaffold can not fix, improve the factor of safety that building scaffold used.)

1. The utility model provides a bolt tightening device for building scaffold puts up which characterized in that: including casing (1), stop gear (2), trigger mechanism (3), electric shock mechanism (4), expansion mechanism (5), control mechanism (6) and communicating mechanism (7), the inner wall fixedly connected with of casing (1) stop gear (2), the inner wall swing joint of casing (1) has trigger mechanism (3), the inner wall fixedly connected with of casing (1) electric shock mechanism (4), the inboard fixedly connected with of electric shock mechanism (4) expansion mechanism (5), the inner wall swing joint of casing (1) has control mechanism (6), the inner wall elastic connection of casing (1) has communicating mechanism (7).

2. A bolt tightening device for building scaffold building according to claim 1, characterized in that: stop gear (2) include spacing groove (21), bimetallic strip (22) and stopper (23), seted up on the inner wall of casing (1) spacing groove (21), the inner wall fixedly connected with of spacing groove (21) bimetallic strip (22), the inboard fixedly connected with of bimetallic strip (22) stopper (23).

3. A bolt tightening device for building scaffold building according to claim 1, characterized in that: trigger mechanism (3) include spout (31), positive plate (32), piezo-resistor (33), negative plate (34) and, the inner wall of casing (1) has been seted up spout (31), the inner wall fixedly connected with of casing (1) positive plate (32), the inner wall fixedly connected with of casing (1) piezo-resistor (33), the inner wall fixedly connected with negative plate (34) of casing (1), the inner wall fixedly connected with of casing (1) bee calling organ (35).

4. A bolt tightening device for building scaffold building according to claim 1, characterized in that: the electric shock mechanism (4) comprises a groove (41), a heat insulation layer (42) and an electric contact (43), the groove (41) is formed in the inner wall of the shell (1), the inner wall of the shell (1) is close to the outer side of the groove (41) and fixedly connected with the heat insulation layer (42), and the electric contact (43) is fixedly connected with the inner wall of the groove (41).

5. A bolt tightening device for building scaffold building according to claim 4, characterized in that: expansion mechanism (5) are including draw-in groove (51), leather bag (52), electrode post (53) and heating wire (54), the inner wall of electric contact (43) has been seted up draw-in groove (51), the inner wall fixedly connected with of electric contact (43) leather bag (52), the inner wall fixedly connected with of electric contact (43) electrode post (53), the inboard fixedly connected with of electrode post (53) heating wire (54).

6. A bolt tightening device for building scaffold building according to claim 3, characterized in that: the control mechanism (6) comprises a sliding block (61), a dielectric plate (62) and a ball (63), the sliding block (61) is elastically connected to the inner wall of the sliding groove (31), the dielectric plate (62) is fixedly connected to the inner wall of the sliding block (61), and the ball (63) is movably connected to the inner wall of the sliding block (61).

7. A bolt tightening device for building scaffold building according to claim 4, characterized in that: the communicating mechanism (7) comprises an extrusion block (71) and a conductive block (72), the inner wall of the groove (41) is elastically connected with the conductive block (72), and the inner wall of the conductive block (72) is fixedly connected with the extrusion block (71).

Technical Field

The invention relates to the technical field of construction machinery equipment, in particular to a bolt tightening device for building a construction scaffold.

Background

The construction scaffolding is the work platform who sets up in order to guarantee that each work progress goes on smoothly, and construction scaffolding's kind has a lot, divide into outer scaffold, interior scaffold according to the position of setting up, and construction scaffold needs artifical and bolt tightening device's cooperation to be set up at the in-process of setting up, and the phenomenon of motor damage can appear at the in-process in current bolt tightening device.

The existing bolt tightening device is mostly controlled by manpower, the bolt can not sense the tightness of the bolt timely by workers in the tightening process, the bolt can be tightened, the bolt tightening device continues to screw the bolt, the load of the motor is increased, the damage to the motor is caused, the service life of the motor is shortened, the bolt of a building scaffold is screwed, the building scaffold cannot be fixed, and the safety factor of the building scaffold is reduced.

We have therefore proposed a bolt tightening device for building scaffolding to solve the above problems.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purposes of avoiding the phenomenon that the bolt tightening device continuously screws the bolt after the bolt is tightened, avoiding increasing the load of the motor, preventing the damage to the motor, prolonging the service life of the motor, preventing the bolt of the building scaffold from sliding, avoiding the building scaffold from being not fixed and improving the safety factor of the building scaffold, the invention provides the following technical scheme: the utility model provides a bolt tightening device for building scaffold puts up, includes casing, stop gear, trigger mechanism, contact mechanism, expansion mechanism, control mechanism and feed through mechanism, the inner wall fixedly connected with of casing stop gear, the inner wall swing joint of casing has trigger mechanism, the inner wall fixedly connected with of casing contact mechanism, the inboard fixedly connected with of contact mechanism expansion mechanism, the inner wall swing joint of casing has control mechanism, the inner wall elastic connection of casing has feed through mechanism.

Further, stop gear includes spacing groove, bimetallic strip and stopper, the inner wall of casing has been seted up the spacing groove, the inner wall fixedly connected with of spacing groove the bimetallic strip, the inboard fixedly connected with of bimetallic strip the stopper, stop gear is used for limiting control mechanism moves to the outside.

Further, trigger mechanism includes spout, anodal post, piezo-resistor, negative pole post and, the inner wall of casing has been seted up the spout, the inner wall fixedly connected with of casing the anodal post, the inner wall fixedly connected with of casing the piezo-resistor, the inner wall fixedly connected with negative pole post of casing, the inner wall fixedly connected with of casing the buzzer, trigger mechanism is used for the switch-on of circuit in the casing, piezo-resistor electric connection has the buzzer, trigger mechanism is used for the intercommunication stop gear the circuit at expansion mechanism place.

Further, the contact mechanism includes recess, heat insulation layer and electrical contact, the inner wall of casing has been seted up the recess, the inner wall of casing just is close to the outside fixedly connected with of recess the heat insulation layer, the inner wall fixedly connected with of recess the electrical contact, the mechanism of electrocute is used for external circuit's switch-on.

Further, the expansion mechanism comprises a clamping groove, a leather bag, an electrode column and a heating wire, the clamping groove is formed in the inner wall of the electric contact, the inner wall of the electric contact is fixedly connected with the leather bag, petroleum ether liquid is filled in the inner side of the leather bag, the electrode column is fixedly connected with the inner side of the electric contact, the heating wire is fixedly connected with the inner side of the electrode column, and the expansion mechanism is used for separating the communicating mechanism.

Furthermore, the control mechanism comprises a sliding block, a dielectric plate and a ball, the sliding block is elastically connected to the inner wall of the sliding groove, the dielectric plate is fixedly connected to the inner wall of the sliding block, and the ball is movably connected to the inner wall of the sliding block.

Furthermore, the communicating mechanism comprises an extrusion block and a conductive block, the inner wall of the groove is elastically connected with the conductive block, and the inner wall of the conductive block is fixedly connected with the extrusion block.

(II) advantageous effects

Compared with the prior art, the invention provides a bolt tightening device for building a scaffold, which has the following beneficial effects:

1. this a bolt tightening device for building scaffold puts up, it is spacing to control mechanism through stop gear, and then cause trigger mechanism's work, make expansion mechanism take place the inflation with the feed through mechanism with the separation of electric shock mechanism when the bolt is screwed up the back, avoid the bolt tightening device to continue to twist the phenomenon of moving the bolt, avoid increasing the load of motor, prevent the damage to the motor, the life of motor has been improved, prevent building scaffold's bolt silking, avoid building scaffold can not fix, improve the factor of safety that building scaffold used.

2. This a bolt tightening device for building scaffold puts up, petroleum ether boiling point in the leather bag is lower through expansion mechanism, and then under the effect of heating wire, the leather bag can take place the inflation, and when the temperature recovery time of heating wire, the volume of leather bag can resume into original state, has realized the used circulation of material, and is energy-concerving and environment-protective.

3. This a bolt tightening device for building scaffold puts up, through the nature of bimetallic strip among the stop gear, when being heated in the bimetallic strip, the great lithium of coefficient of thermal expansion, manganese, copper alloy layer can be towards the less lithium of coefficient of expansion, ferroalloy side emergence bending, and then promote the stopper and take place to remove, and after the temperature resumes normal atmospheric temperature, the bimetallic strip can resume into original state, has realized the used cycle of material, and is energy-concerving and environment-protective.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a limiting mechanism; 3. a trigger mechanism; 4. an electric shock mechanism; 5. an expansion mechanism; 6. a control mechanism; 7. a communicating mechanism; 21. a limiting groove; 22. a bimetal; 23. a limiting block; 31. A chute; 32. a positive plate; 33. a voltage dependent resistor; 34. a negative plate; 35. a buzzer; 41. a groove; 42. a heat insulating layer; 43. an electrical contact; 51. a card slot; 52. a skin pocket; 53. an electrode column; 54. an electric heating wire; 61. a slider; 62. a dielectric plate; 63. a ball bearing; 71. extruding the block; 72. and a conductive block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a bolt tightening device for building scaffold, comprising a housing 1, a limiting mechanism 2, a triggering mechanism 3, an electric shock mechanism 4, an expansion mechanism 5, a control mechanism 6 and a communication mechanism 7, wherein the inner wall of the housing 1 is fixedly connected with the limiting mechanism 2, the limiting mechanism 2 comprises a limiting groove 21, a bimetallic strip 22 and a limiting block 23, the inner wall of the housing 1 is provided with the limiting groove 21, the inner wall of the limiting groove 21 is fixedly connected with the bimetallic strip 22, the inner side of the bimetallic strip 22 is fixedly connected with the limiting block 23, the limiting mechanism 2 is used for limiting the control mechanism 6 to move towards the outside, the inner wall of the housing 1 is movably connected with the triggering mechanism 3, the triggering mechanism 3 comprises a sliding groove 31, a positive plate 32, a pressure sensitive resistor 33, a negative plate 34 and a sliding groove 31 is provided on the inner wall of the housing 1, the positive plate 32 is fixedly connected with the inner wall of the housing 1, and a pressure sensitive resistor 33 is fixedly connected with the inner wall of the housing 1, the inner wall of the shell 1 is fixedly connected with a negative plate 34, the inner wall of the shell 1 is fixedly connected with a buzzer 35, the trigger mechanism 3 is used for connecting a circuit in the shell 1, the piezoresistor 33 is electrically connected with the buzzer 35, and the trigger mechanism 3 is used for connecting the circuit where the limiting mechanism 2 and the expansion mechanism 5 are located;

the inner wall of the shell 1 is fixedly connected with an electric shock mechanism 4, the electric shock mechanism 4 comprises a groove 41, a heat insulating layer 42 and an electric contact 43, the inner wall of the shell 1 is provided with the groove 41, the outer side of the inner wall of the shell 1, which is close to the groove 41, is fixedly connected with the heat insulating layer 42, the inner wall of the groove 41 is fixedly connected with the electric contact 43, the electric shock mechanism 4 is used for connecting an external circuit, the inner side of the electric shock mechanism 4 is fixedly connected with an expansion mechanism 5, the expansion mechanism 5 comprises a clamping groove 51, a leather bag 52, an electrode column 53 and a heating wire 54, the inner wall of the electric contact 43 is provided with the clamping groove 51, the inner wall of the electric contact 43 is fixedly connected with the leather bag 52, the inner side of the leather bag 52 is filled with petroleum ether liquid, the inner wall of the electric contact 43 is fixedly connected with the electrode column 53, the inner side of the electrode column 53 is fixedly connected with the heating wire 54, and the expansion mechanism 5 is used for separating the communicating mechanism 7;

the inner wall swing joint of casing 1 has control mechanism 6, control mechanism 6 includes slider 61, dielectric plate 62 and ball 63, the inner wall elastic connection of spout 31 has slider 61, the inner wall fixedly connected with dielectric plate 62 of slider 61, the inner wall swing joint of slider 61 has ball 63, the inner wall elastic connection of casing 1 has communicating mechanism 7, communicating mechanism 7 includes extrusion piece 71 and conducting block 72, the inner wall elastic connection of recess 41 has conducting block 72, the inner wall fixedly connected with extrusion piece 71 of conducting block 72.

The working principle is as follows: when the tightening device is in use, the shell 1 rotates along with the rotation of the tightening device, when the bolt is tightened, under the influence of inertia force and elastic force, the slide block 61 in the control mechanism 6 drives the dielectric plate 62 to move inwards along the chute 31 in the trigger mechanism 3 under the action of the balls 63, at this time, the relative area between the positive plate 32 and the negative plate 34 in the trigger mechanism 3 is reduced, further, the control voltage between the positive plate 32 and the negative plate 34 is reduced, and when the control voltage is smaller than the maximum working voltage of the piezoresistor 33, the circuit communicated with the piezoresistor 33 is in a closed circuit state;

at the moment, the buzzer 35 gives an alarm to remind a worker that the bolt is screwed, meanwhile, the bimetallic strip 22 in the limiting groove 21 in the limiting mechanism 2 is bent, the lithium, manganese and copper alloy layers with large thermal expansion coefficients are bent towards the lithium and iron alloy sides with small thermal expansion coefficients, and the limiting block 23 is limited to move inwards, so that the sliding block 61 is limited, and the sliding block 61 is prevented from moving outwards;

meanwhile, current flows through the electrode column 53 on the inner side of the clamping groove 51 in the expansion mechanism 5, so that the heating wire 54 can generate heat, the volume of the leather bag 52 can expand due to the low boiling point of petroleum ether in the leather bag 52, the extrusion block 71 in the communication mechanism 7 is extruded, the conductive block 72 is driven to move inwards along the groove 41 in the electric shock mechanism 4 to be separated from the electric contact 43, a circuit where the motor is connected with the rotating shaft is in a disconnected state, the motor is prevented from continuously working, and meanwhile, the heat insulation layer 42 prevents the heat generated on the inner side of the rotating shaft from influencing the expansion mechanism 5;

above-mentioned process is as shown in fig. 3, has realized that the separation is after the bolt is screwed up, avoids the bolt tightening device to continue to screw the phenomenon of moving the bolt, avoids increasing the load of motor, prevents the damage to the motor, has improved the life of motor, prevents the bolt silk of building scaffolding, avoids building scaffolding to obtain not fixed, improves the factor of safety that building scaffolding used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.