CN108444444B

CN108444444B - Roof beam levelness measuring device

Info

Publication number: CN108444444B
Application number: CN201810193706.2A
Authority: CN
Inventors: 吴义锖
Original assignee: Xinyi Xiyi High Tech Material Industry Technology Research Institute Co Ltd
Current assignee: Xinyi Xiyi High Tech Material Industry Technology Research Institute Co Ltd
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2020-09-15
Anticipated expiration: 2038-03-09
Also published as: CN108444444A

Abstract

The invention relates to a levelness measuring device, in particular to a levelness measuring device for a roof beam. The invention aims to provide a roof beam levelness measuring device with higher precision. The invention provides a roof beam levelness measuring device, which comprises a bottom plate, a sleeve, an expansion link, a connecting block, a first support plate, a second support plate, a first bearing, a second bearing, a screw rod, a nut, a fixing plate and the like, wherein the bottom plate is provided with a through hole; the top right side fixedly connected with sleeve of bottom plate, it has first style of calligraphy hole to open on the telescopic left wall, and the slidingtype is connected with the telescopic link in the sleeve, the left side below fixedly connected with connecting block of telescopic link, the first extension board of top left side fixedly connected with of bottom plate. The invention realizes the function of measuring the levelness of the house beam by using machinery instead of manpower, has the functions of high measurement precision, high measurement speed and no risk involved by workers, and has the characteristics of convenient use, safe use, simple operation, low manufacturing cost and the like.

Description

Roof beam levelness measuring device

Technical Field

The invention relates to a levelness measuring device, in particular to a levelness measuring device for a roof beam.

Background

The engineering measurement has the following effects on engineering quality in the building positioning and foundation construction stages: before the construction of a project is started, firstly, lofting and positioning are carried out on a building on a construction drawing and a control elevation is measured through measurement, and a reference is provided for the next construction. The work of this step is very important, and measurement accuracy requires very much, and the success or failure of whole engineering quality is concerned. If an error occurs in this link, a major quality accident will be caused, and the economic loss caused by the error cannot be measured. Similar engineering quality accidents have also occurred in the construction industry: the due north direction of the building on the drawing is changed into the due south direction, and the accident processing result is as follows: and smashing the built house again and starting from zero. It can be seen how important the positioning of the building is.

Relation between engineering quality and engineering measurement: as is well known, surveying and paying-off opens up roads for engineering construction and provides directions. The accurate and careful measurement work not only relates to whether a project can be smoothly constructed according to a map, but also provides important technical guarantee for construction quality and provides methods and means for quality inspection and other works. Can be compared in this way: if not measured, the engineering construction is difficult to carry out and the construction quality is not mentioned.

The engineering monitoring means that in the construction process of a building structure, a monitoring instrument is adopted to monitor each control index of a key part, and an alarm is given when a monitoring value is close to a control value, so that the safety of construction is ensured, and the engineering monitoring method can also be used for checking whether the construction process is reasonable.

Along with the increase of population, people also attach more and more importance to the demand of building, the security of building has become the key that people buy the house at this moment, and the levelness is a big factor that influences the building, so people all can measure the levelness of roof beam when building the house, and the workman measures the levelness of roof beam, all is that the workman climbs the roof beam and then measures with the flat water pipe, do so not only dangerous, and the measuring speed is slow moreover, the precision of measurement is also not high, consequently need a roof beam levelness measuring device that the precision is higher urgently.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects that workers climb a house beam and then measure the house beam by using a horizontal pipe in levelness measurement of the house beam, so that the house beam levelness measurement device is dangerous, slow in measurement speed and low in measurement precision.

(2) Technical scheme

In order to solve the technical problem, the invention provides a roof beam levelness measuring device which comprises a bottom plate, a sleeve, a telescopic rod, a connecting block, a first support plate, a second support plate, a first bearing, a second bearing, a screw rod, a nut, a fixing plate, a first motor, a large support rod, a rotating rod, a level gauge, a second motor, a first belt wheel, a third motor, a rotating plate, a gear, a second belt wheel, a swinging rod, a first belt, a connecting rope and a hook, wherein the right side above the bottom plate is fixedly connected with the sleeve, the left wall of the sleeve is provided with a first straight hole, the telescopic rod is connected with the sleeve in a sliding manner, the connecting block is fixedly connected below the left side of the telescopic rod, the first support plate is fixedly connected above the bottom plate, the second support plate is fixedly connected with the top of the first support plate, the fixing plate is fixedly connected above the second support plate, and the first, a first bearing is arranged on the second support plate, a second bearing is arranged on the bottom plate, a screw rod is connected in the first bearing and the second bearing in an interference manner, an output shaft of a first motor is fixedly connected with the upper end of the screw rod, a nut is matched with the lower part of the screw rod and fixedly connected with a connecting block, a large support rod is fixedly connected with the top end of a telescopic rod, a rotating rod is rotatably connected with the lower part of the front side of the large support rod, a level gauge is arranged on the front side of the rotating rod, through holes are symmetrically formed in the left side and the right side of the rotating rod, a second motor is arranged in the middle part of the front side of the large support rod, a first belt pulley is connected on the output shaft of the second motor in an interference manner, a third motor is arranged above the front side of the large support rod, a rotating plate is fixedly connected with an output shaft of the third motor, the front sides of the two gears are fixedly connected with swing rods, the first belt wheel and the second belt wheel are connected through a first belt, the middle parts of the lower portions of the two swing rods are connected with connecting ropes, the bottoms of the two connecting ropes are connected with hooks, the left hook is located in a left through hole, and the right hook is located in a right through hole.

Preferably, the device also comprises a third belt wheel, a support block, a reel, a fourth belt wheel, a second belt, a first pull rope, a second pull rope, a slide rail, a slide block, an extension rod, a first spring and a second spring, wherein the front side of the right side gear is fixedly connected with the third belt wheel, the top of the rotating plate is fixedly connected with the support block, the upper part of the support block is rotatably connected with the reel, the front side of the reel is fixedly connected with the fourth belt wheel, the third belt wheel and the fourth belt wheel are connected through the second belt, the outer side of the reel is connected with the first pull rope and the second pull rope, the slide rails are symmetrically arranged above the left swing rod and the right swing rod, the slide blocks are matched on the two slide rails in a sliding manner, the extension rods are symmetrically and fixedly connected above the two slide blocks, the other end of the first pull rope is connected with the extension rod on the right side, the other end of the second pull, the other end of the first spring is connected with the right slider, one end of the second spring is connected with the left side of the left side slide rail, and the other end of the second spring is connected with the left slider.

Preferably, still including straight branch pole, the fixture block, the fly leaf, the ruler, protractor and connecting rod, the straight branch pole of right side bottom fixedly connected with of big branch pole, the right front side fixedly connected with fixture block of straight branch pole, the fixture block outside sliding connection on the straight branch pole has the fly leaf, it has the first word hole of second to open on the fly leaf, in the first word hole of fixture block sliding connection on the fly leaf, the left front side of fly leaf is provided with the ruler, the front side rotation type of big branch pole is connected with the protractor, the protractor is located the top of dwang, the top rotary type of dwang is connected with the connecting rod, the other end and the protractor rotary type of connecting rod are connected.

Preferably, still including first kicking block, first layer board, second kicking block and second layer board, the first kicking block of top left side fixedly connected with of left side extension bar, the first layer board of top fixedly connected with of first kicking block, the top right side fixedly connected with second kicking block of the extension bar on right side, the top fixedly connected with second layer board of second kicking block.

Preferably, the vehicle-mounted support further comprises a push handle, vehicle legs and wheels, wherein the middle of the left side of the first support plate is fixedly connected with the push handle, the front, the back, the left and the right of the bottom plate are respectively connected with the vehicle legs, and the bottoms of the four vehicle legs are rotatably connected with the wheels.

The working principle is as follows: when a worker needs to measure the levelness of a house beam, the worker firstly starts a first motor, an output shaft of the first motor drives a screw rod to rotate, the screw rod drives a nut to move upwards, the nut moves upwards to drive a connecting block to move upwards, the connecting block moves upwards to drive a telescopic rod to move upwards, the telescopic rod moves upwards to drive a large supporting rod to move upwards, the first motor is turned off when the house beam moves to a height close to the height of the house beam, then a second motor is started, an output shaft of the second motor drives a first belt wheel to rotate, the first belt wheel drives a second belt wheel to rotate through a first belt, the second belt wheel drives a left gear to rotate, the left gear drives a right gear to rotate, so that two swinging rods are kept horizontal, then the worker starts a third motor, an output shaft of the third motor drives a rotating plate to rotate to be the same as the levelness of the house beam, when the two swinging rods swing, the two swinging rods can pull the rotating plates to rotate through the two connecting ropes, so that the levelness of the rotating plates and the levelness of the house beam are kept consistent, the levelness of the house beam can be measured, after the levelness of the house beam is measured, a worker can start the first motor in the opposite direction, an output shaft of the first motor drives the screw rod to rotate in the opposite direction, the screw rod drives the screw nut to move downwards, the screw nut drives the connecting block to move downwards, the connecting block moves downwards to drive the telescopic rod to move downwards, the telescopic rod moves downwards to drive the large supporting rod to move downwards, when the house beam moves to the bottom, the first motor is turned off, then the worker starts the second motor clockwise, an output shaft of the second motor drives the first belt pulley to rotate clockwise, the first belt pulley drives the second belt pulley to rotate clockwise through the first belt, the second belt pulley drives the left gear to rotate clockwise, after the beam is rotated to the vertical state, the second motor is turned off, so that the function of safely measuring the levelness of the beam is realized.

Because the device also comprises a third belt wheel, a support block, a reel, a fourth belt wheel, a second belt, a first pull rope, a second pull rope, a slide rail, a slide block, an extension rod, a first spring and a second spring, the front side of a right side gear is fixedly connected with the third belt wheel, the top of a rotating plate is fixedly connected with the support block, the upper part of the support block is rotatably connected with the reel, the front side of the reel is fixedly connected with the fourth belt wheel, the third belt wheel and the fourth belt wheel are connected through the second belt, the outer side of the reel is connected with the first pull rope and the second pull rope, the slide rails are symmetrically arranged above the left swing rod and the right swing rod, the slide blocks are matched on the two slide rails in a sliding way, the extension rods are symmetrically and fixedly connected above the two slide blocks, the other end of the first pull rope is connected with the extension rod on the right side, the other end of the second pull, the other end of the first spring is connected with the right slider, one end of the second spring is connected with the left side of the left side slide rail, and the other end of the second spring is connected with the left slider. So when the gear on the right side drives the third belt wheel to rotate anticlockwise, the third belt wheel drives the fourth belt wheel to rotate anticlockwise through the second belt, thereby enabling the reel to loosen the first pull rope and the second pull rope, thereby enabling the left spring to pull the left slider to move leftwards, the left slider drives the left extension rod to move leftwards, thereby enabling the right spring to pull the right slider to move rightwards, the right slider drives the right extension rod to move rightwards, thereby enabling the opening length to be longer, thereby enabling the levelness of the swing rod to be closer to that of the house beam, thereby realizing the function of enabling the measurement accuracy to be higher, after the measurement is finished, the gear on the right side drives the third belt wheel to rotate clockwise, the third belt wheel drives the fourth belt wheel to rotate clockwise through the second belt, thereby enabling the reel to wind the first pull rope and the second pull rope, thereby enabling the right slider to move, the left slider is moved to the right, thereby retracting the two extension bars.

Because still including straight branch pole, the fixture block, the fly leaf, the ruler, protractor and connecting rod, the straight branch pole of right side bottom fixedly connected with of big branch pole, the right front side fixedly connected with fixture block of straight branch pole, the fixture block outside slidingtype on the straight branch pole is connected with the fly leaf, it has the first word hole of second to open on the fly leaf, the second word hole of fixture block slidingtype connection on the fly leaf, the left front side of fly leaf is provided with the ruler, the front side rotation type of big branch pole is connected with the protractor, the protractor is located the top of dwang, the top rotary type of dwang is connected with the connecting rod, the other end and the protractor rotary type of. So after the levelness of swinging arms and the levelness of room roof beam are unanimous, the workman can pull the skew distance of ruler from measuring the rotor plate, and the connecting rod that can move when the rotor plate rotates moves, and the connecting rod moves the rotation of taking momentum angle square, then just can directly obtain the angle of skew to realized the function of the levelness of quick accurate measurement room roof beam.

Because still including first kicking block, first layer board, second kicking block and second layer board, the first kicking block of top left side fixedly connected with of left side extension bar, the first layer board of top fixedly connected with of first kicking block, the top right side fixedly connected with second kicking block of the extension bar on right side, the top fixedly connected with second layer board of second kicking block. Therefore, when the first supporting plate and the second supporting plate support the house beam, the levelness of the swinging rod can be more consistent with that of the house beam, and the function of enabling the measuring precision to be higher is achieved.

Because still including pushing away handle, car foot and wheel, the left side middle part fixedly connected with of first extension board pushes away the handle, and the bottom of bottom plate is all connected with the car foot around respectively, and the bottom of four car feet all is the rotary type and is connected with the wheel. So that the function of moving the device more conveniently is realized.

(3) Advantageous effects

The invention realizes the function of measuring the levelness of the house beam by using machinery instead of manpower, has the functions of high measurement precision, high measurement speed and no risk involved by workers, and has the characteristics of convenient use, safe use, simple operation, low manufacturing cost and the like.

Drawings

Fig. 1 is a first front view structure diagram of the present invention.

Fig. 2 is a second front view structure diagram of the present invention.

Fig. 3 is a third schematic view of the present invention.

Fig. 4 is a schematic diagram of a fourth front view structure according to the present invention.

Fig. 5 is a schematic view of a fifth front view structure according to the present invention.

The labels in the figures are: 1-base plate, 2-sleeve, 21-first slotted hole, 22-telescopic rod, 23-connecting block, 24-first support plate, 25-second support plate, 26-first bearing, 27-second bearing, 28-lead screw, 29-screw, 210-fixing plate, 211-first motor, 3-big support rod, 31-rotating rod, 32-level, 33-through hole, 34-second motor, 35-first belt wheel, 36-third motor, 37-rotating plate, 38-gear, 39-second belt wheel, 310-swinging rod, 311-first belt, 312-connecting rope, 313-hook, 4-third belt wheel, 41-supporting block, 42-reel, 43-fourth belt wheel, 44-second belt, 45-a first pull rope, 46-a second pull rope, 47-a sliding rail, 48-a sliding block, 49-an extension rod, 410-a first spring, 411-a second spring, 5-a straight supporting rod, 51-a clamping block, 52-a movable plate, 53-a second straight hole, 54-a ruler, 55-a protractor, 56-a connecting rod, 6-a first top block, 61-a first supporting plate, 62-a second top block, 63-a second supporting plate, 7-a push handle, 8-a vehicle foot and 9-a vehicle wheel.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

A roof beam levelness measuring device is shown in figures 1-5 and comprises a bottom plate 1, a sleeve 2, an expansion rod 22, a connecting block 23, a first support plate 24, a second support plate 25, a first bearing 26, a second bearing 27, a screw rod 28, a screw nut 29, a fixing plate 210, a first motor 211, a large support rod 3, a rotating rod 31, a level gauge 32, a second motor 34, a first belt wheel 35, a third motor 36, a rotating plate 37, a gear 38, a second belt wheel 39, a swinging rod 310, a first belt 311, a connecting rope 312 and a hook 313, wherein the sleeve 2 is fixedly connected to the right side above the bottom plate 1, a first straight hole 21 is formed in the left wall of the sleeve 2, the expansion rod 22 is connected in a sliding manner in the sleeve 2, the connecting block 23 is fixedly connected to the lower left side of the expansion rod 22, the first support plate 24 is fixedly connected to the left side above the bottom plate 1, the second support plate 25 is fixedly connected to the, a fixed plate 210 is fixedly connected above the second support plate 25, a first motor 211 is arranged on the right side of the fixed plate 210, a first bearing 26 is arranged on the second support plate 25, a second bearing 27 is arranged on the bottom plate 1, a screw rod 28 is connected in the first bearing 26 and the second bearing 27 in an interference manner, an output shaft of the first motor 211 is fixedly connected with the upper end of the screw rod 28, a screw nut 29 is matched with the lower part of the screw rod 28, the screw nut 29 is fixedly connected with a connecting block 23, a large support rod 3 is fixedly connected with the top end of a telescopic rod 22, a rotating rod 31 is rotatably connected with the lower part of the front side of the large support rod 3, a level gauge 32 is arranged on the front side of the rotating rod 31, through holes 33 are symmetrically formed on the left side and the right side of the rotating rod 31, a second motor 34 is arranged in the middle part of the front side of the large support rod 3, a rotating plate 37 is fixedly connected to an output shaft of the third motor 36, gears 38 are rotatably connected to the left side and the right side of the front side of the rotating plate 37 in a symmetrical manner, the two gears 38 are meshed with each other, a second belt pulley 39 is fixedly connected to the front side of the right gear 38, swing rods 310 are fixedly connected to the front sides of the two gears 38, the first belt pulley 35 and the second belt pulley 39 are connected through a first belt 311, connecting ropes 312 are connected to the lower middle portions of the two swing rods 310, hooks 313 are connected to the bottoms of the two connecting ropes 312, the hooks 313 on the left side are located in through holes 33 on the left side, and the hooks 313 on the right side are located in through holes 33.

Example 2

The device also comprises a third belt wheel 4, a support block 41, a reel 42, a fourth belt wheel 43, a second belt 44, a first pull rope 45, a second pull rope 46, a slide rail 47, a slide block 48, an extension rod 49, a first spring 410 and a second spring 411, wherein the front side of the right side gear 38 is fixedly connected with the third belt wheel 4, the top of the rotating plate 37 is fixedly connected with the support block 41, the upper part of the support block 41 is rotatably connected with the reel 42, the front side of the reel 42 is fixedly connected with the fourth belt wheel 43, the third belt wheel 4 is connected with the fourth belt wheel 43 through the second belt 44, the outer side of the reel 42 is connected with the first pull rope 45 and the second pull rope 46, the upper parts of the left swing rod and the right swing rod 310 are symmetrically provided with the slide rails 47, the slide blocks 48 are matched on the two slide rails 47, the extension rods 49 are symmetrically and fixedly connected above the two slide blocks 48, the other end of the first, the other end of the second pull rope 46 is connected with a left extension bar 49, one end of the first spring 410 is connected with the right side of the right slide rail 47, the other end of the first spring 410 is connected with the right slide block 48, one end of the second spring 411 is connected with the left side of the left slide rail 47, and the other end of the second spring 411 is connected with the left slide block 48.

Example 3

The angle measuring device further comprises a straight supporting rod 5, a clamping block 51, a movable plate 52, a ruler 54, an angle measuring ruler 55 and a connecting rod 56, the straight supporting rod 5 is fixedly connected to the bottom of the right side of the large supporting rod 3, the clamping block 51 is fixedly connected to the right front side of the straight supporting rod 5, the movable plate 52 is connected to the outer side of the clamping block 51 on the straight supporting rod 5 in a sliding mode, a second straight hole 53 is formed in the movable plate 52, the clamping block 51 is connected to the second straight hole 53 in the movable plate 52 in a sliding mode, the ruler 54 is arranged on the left front side of the movable plate 52, the angle measuring ruler 55 is connected to the front side of the large supporting rod 3 in a rotating mode, the angle measuring ruler 55 is located above the rotating rod 31, the connecting rod 56 is connected to.

Example 4

The device is characterized by further comprising a first ejector block 6, a first supporting plate 61, a second ejector block 62 and a second supporting plate 63, wherein the first ejector block 6 is fixedly connected to the left side of the upper portion of the left side extension rod 49, the first supporting plate 61 is fixedly connected to the upper portion of the first ejector block 6, the second ejector block 62 is fixedly connected to the right side of the upper portion of the right side extension rod 49, and the second supporting plate 63 is fixedly connected to the upper portion of the second ejector block 62.

The bicycle is characterized by further comprising a push handle 7, bicycle legs 8 and wheels 9, wherein the middle of the left side of the first supporting plate 24 is fixedly connected with the push handle 7, the bottom of the bottom plate 1 is respectively connected with the bicycle legs 8 in a front-back, left-right and rotary mode, and the bottoms of the four bicycle legs 8 are connected with the wheels 9 in a rotary mode.

The working principle is as follows: when a worker needs to measure the levelness of a house beam, the worker firstly starts a first motor 211, an output shaft of the first motor 211 drives a screw rod 28 to rotate, the screw rod 28 drives a nut 29 to move upwards, the nut 29 moves upwards to drive a connecting block 23 to move upwards, the connecting block 23 moves upwards to drive an expansion rod 22 to move upwards, the expansion rod 22 moves upwards to drive a large support rod 3 to move upwards, when the house beam moves to a height close to the height of the house beam, the first motor 211 is closed, then a second motor 34 is started, an output shaft of the second motor 34 drives a first belt wheel 35 to rotate, the first belt wheel 35 drives a second belt wheel 39 to rotate through a first belt 311, the second belt wheel 39 drives a left gear 38 to rotate, the left gear 38 drives a right gear 38 to rotate, so that two swing rods 310 are kept horizontal, then the worker starts a third motor 36 again, an output shaft of the third motor 36 drives a rotating plate 37 to rotate to be the same as, then the third motor 36 is turned off, when the two swing rods 310 swing, the two connecting ropes 312 pull the rotating plate 37 to rotate, so that the levelness of the rotating plate 37 and the levelness of the house beam are kept consistent, and the levelness of the house beam can be measured, after the levelness of the house beam is measured, a worker can start the first motor 211 in the opposite direction, the output shaft of the first motor 211 drives the screw rod 28 to rotate in the opposite direction, the screw rod 28 drives the screw nut 29 to move downwards, the screw nut 29 moves downwards to drive the connecting block 23 to move downwards, the connecting block 23 moves downwards to drive the telescopic rod 22 to move downwards, the telescopic rod 22 moves downwards to drive the large support rod 3 to move downwards, when the large support rod moves to the bottom, the first motor 211 is turned off, then the worker starts the second motor 34 clockwise, the output shaft of the second motor 34 drives the first belt pulley 35 to rotate clockwise, the first belt pulley 35 drives the second belt pulley 39 to rotate clockwise through the first belt 311, the second belt wheel 39 drives the left gear 38 to rotate clockwise, the left gear 38 drives the right gear 38 to rotate anticlockwise, and after the vertical state is rotated, the second motor 34 is turned off, so that the function of safely measuring the horizontal degree of the house beam is realized.

Because the device also comprises a third belt wheel 4, a support block 41, a reel 42, a fourth belt wheel 43, a second belt 44, a first pull rope 45, a second pull rope 46, a slide rail 47, a slide block 48, an extension rod 49, a first spring 410 and a second spring 411, the front side of the right side gear 38 is fixedly connected with the third belt wheel 4, the top of the rotating plate 37 is fixedly connected with the support block 41, the upper part of the support block 41 is rotatably connected with the reel 42, the front side of the reel 42 is fixedly connected with the fourth belt wheel 43, the third belt wheel 4 and the fourth belt wheel 43 are connected through the second belt 44, the outer side of the reel 42 is connected with the first pull rope 45 and the second pull rope 46, the upper parts of the left swing rod and the right swing rod 310 are symmetrically provided with the slide rails 47, the slide blocks 48 are matched on the two slide rails 47, the extension rods 49 are symmetrically and fixedly connected above the two slide blocks 48, and the other end of the first, the other end of the second pull rope 46 is connected with a left extension bar 49, one end of the first spring 410 is connected with the right side of the right slide rail 47, the other end of the first spring 410 is connected with the right slide block 48, one end of the second spring 411 is connected with the left side of the left slide rail 47, and the other end of the second spring 411 is connected with the left slide block 48. Therefore, when the gear 38 on the right side drives the third belt wheel 4 to rotate counterclockwise, the third belt wheel 4 drives the fourth belt wheel 43 to rotate counterclockwise through the second belt 44, so that the first pull rope 45 and the second pull rope 46 are loosened by the reel 42, the slider 48 on the left side is pulled by the spring on the left side to move leftward, the slider 48 on the left side drives the extension rod 49 on the left side to move leftward, the slider 48 on the right side pulls the slider 48 on the right side to move rightward, the extension rod 49 on the right side is driven by the slider 48 on the right side to move rightward, the extended length is longer, the levelness of the swing rod 310 is closer to the levelness of the room beam, and the function of improving the measurement precision is realized, after the measurement is finished, the gear 38 on the right side drives the third belt wheel 4 to rotate clockwise, the third belt wheel 4 drives the fourth belt wheel 43 to rotate clockwise through the second belt 44, so that the first, thereby moving the right slider 48 to the left and the left slider 48 to the right, thereby retracting the two extension bars 49.

Because the utility model also comprises a straight supporting rod 5, a fixture block 51, a movable plate 52, a ruler 54, a protractor 55 and a connecting rod 56, the straight supporting rod 5 is fixedly connected to the right bottom of the large supporting rod 3, the fixture block 51 is fixedly connected to the right front side of the straight supporting rod 5, the movable plate 52 is slidably connected to the outer side of the fixture block 51 on the straight supporting rod 5, a second linear hole 53 is opened on the movable plate 52, the fixture block 51 is slidably connected to the second linear hole 53 on the movable plate 52, the ruler 54 is arranged on the left front side of the movable plate 52, the protractor 55 is rotatably connected to the front side of the large supporting rod 3, the protractor 55 is located above the rotating rod 31, the connecting rod 56 is rotatably connected to the upper side of the rotating rod 31, and the other end of the connecting. Therefore, after the levelness of the swing lever 310 is consistent with the levelness of the house beam, a worker can pull the ruler 54 to measure the offset distance of the rotating plate 37, when the rotating plate 37 rotates and the movable connecting rod 56 moves, the connecting rod 56 drives the momentum angle square 55 to rotate, and then the offset angle can be directly obtained, so that the function of quickly and accurately measuring the levelness of the house beam is realized.

Because still including first kicking block 6, first layer board 61, second kicking block 62 and second layer board 63, the first kicking block 6 of top left side fixedly connected with of left side extension bar 49, the first layer board 61 of top fixedly connected with of first kicking block 6, the second kicking block 62 of top right side fixedly connected with of the right side extension bar 49 on right side, the top fixedly connected with second layer board 63 of second kicking block 62. When the first and second support plates 61 and 63 support the house beam, the levelness of the swing lever 310 can be made more uniform with the levelness of the house beam, thereby achieving a function of making the measurement more accurate.

Because still including pushing away handle 7, car foot 8 and wheel 9, the left side middle part fixedly connected with of first backup pad 24 pushes away handle 7, and the bottom of bottom plate 1 is all connected with car foot 8 all around, and the bottom of four car feet 8 all is connected with wheel 9 with the rotary type. So that the function of moving the device more conveniently is realized.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A roof beam levelness measuring device is characterized by comprising a bottom plate (1), a sleeve (2), an expansion rod (22), a connecting block (23), a first supporting plate (24), a second supporting plate (25), a first bearing (26), a second bearing (27), a lead screw (28), a screw nut (29), a fixing plate (210), a first motor (211), a large supporting rod (3), a rotating rod (31), a level gauge (32), a second motor (34), a first belt wheel (35), a third motor (36), a rotating plate (37), a gear (38), a second belt wheel (39), a swinging rod (310), a first belt (311), a connecting rope (312) and a hook (313), wherein the sleeve (2) is fixedly connected to the right side above the bottom plate (1), a first straight hole (21) is formed in the left wall of the sleeve (2), the expansion rod (22) is connected to the sleeve (2) in a sliding manner, a connecting block (23) is fixedly connected below the left side of the telescopic rod (22), a first support plate (24) is fixedly connected on the left side above the bottom plate (1), a second support plate (25) is fixedly connected on the top of the first support plate (24), a fixing plate (210) is fixedly connected above the second support plate (25), a first motor (211) is arranged on the right side of the fixing plate (210), a first bearing (26) is arranged on the second support plate (25), a second bearing (27) is arranged on the bottom plate (1), a screw rod (28) is connected in the first bearing (26) and the second bearing (27) in an interference manner, an output shaft of the first motor (211) is fixedly connected with the upper end of the screw rod (28), a screw nut (29) is matched on the lower portion of the screw rod (28), the screw nut (29) is fixedly connected with the connecting block (23), a large support rod (3) is fixedly connected on the top end of the telescopic rod (22), a rotary type, a level gauge (32) is arranged on the front side of the rotating rod (31), through holes (33) are symmetrically formed in the left side and the right side of the rotating rod (31), a second motor (34) is arranged in the middle of the front side of the large supporting rod (3), a first belt wheel (35) is connected to an output shaft of the second motor (34) in an interference mode, a third motor (36) is arranged above the front side of the large supporting rod (3), a rotating plate (37) is fixedly connected to an output shaft of the third motor (36), gears (38) are symmetrically and rotatably connected to the left side and the right side of the front side of the rotating plate (37), the two gears (38) are meshed with each other, a second belt wheel (39) is fixedly connected to the front side of the right side gear (38), swing rods (310) are fixedly connected to the front sides of the two gears (38), the first belt wheel (35) and the second belt wheel (39) are connected through a first belt (311), a connecting rope (312), the bottoms of the two connecting ropes (312) are connected with hooks (313), the left hook (313) is positioned in the left through hole (33), and the right hook (313) is positioned in the right through hole (33).

2. The roof beam levelness measuring device according to claim 1, further comprising a third pulley (4), a support block (41), a reel (42), a fourth pulley (43), a second belt (44), a first pull rope (45), a second pull rope (46), a slide rail (47), a slider (48), an extension rod (49), a first spring (410) and a second spring (411), wherein the third pulley (4) is fixedly connected to the front side of the right side gear (38), the support block (41) is fixedly connected to the top of the rotating plate (37), the reel (42) is rotatably connected to the upper side of the support block (41), the fourth pulley (43) is fixedly connected to the front side of the reel (42), the third pulley (4) and the fourth pulley (43) are connected through the second belt (44), the first pull rope (45) and the second pull rope (46) are connected to the outer side of the reel (42), the top symmetry formula of two swing arms (310) on the left and right sides is provided with slide rail (47), all sliding fit has slider (48) on two slide rail (47), the top symmetry formula fixedly connected with extension bar (49) of two slider (48), the other end and the extension bar (49) on right side of first stay cord (45) are connected, the other end and the left extension bar (49) of second stay cord (46) are connected, the right side of right side slide rail (47) is connected to the one end of first spring (410), the other end and the slider (48) on right side of first spring (410) are connected, the left side of left side slide rail (47) is connected to the one end of second spring (411), the other end and the left slider (48) of second spring (411) are connected.

3. The roof beam levelness measuring device according to claim 2, further comprising a straight strut (5), a clamping block (51), a movable plate (52), a ruler (54), a protractor (55) and a connecting rod (56), wherein the straight strut (5) is fixedly connected to the right bottom of the large strut (3), the clamping block (51) is fixedly connected to the right front side of the straight strut (5), the movable plate (52) is slidably connected to the outer side of the clamping block (51) on the straight strut (5), a second linear hole (53) is formed in the movable plate (52), the clamping block (51) is slidably connected to the second linear hole (53) in the movable plate (52), the ruler (54) is arranged on the left front side of the movable plate (52), the protractor (55) is rotatably connected to the front side of the large strut (3), the protractor (55) is positioned above the rotating rod (31), and the connecting rod (56) is rotatably connected to the upper side of the rotating rod (31), the other end of the connecting rod (56) is rotatably connected with the angle measuring ruler (55).

4. A roof beam levelness measuring device according to claim 3, characterized by further comprising a first top block (6), a first supporting plate (61), a second top block (62) and a second supporting plate (63), wherein the first top block (6) is fixedly connected to the left side above the left side extension bar (49), the first supporting plate (61) is fixedly connected to the upper side of the first top block (6), the second top block (62) is fixedly connected to the right side above the right side extension bar (49), and the second supporting plate (63) is fixedly connected to the upper side of the second top block (62).

5. A roof beam levelness measuring device according to claim 4, characterized by further comprising a push handle (7), vehicle legs (8) and wheels (9), wherein the push handle (7) is fixedly connected to the middle of the left side of the first support plate (24), the vehicle legs (8) are respectively connected to the front, back, left and right sides of the bottom plate (1), and the wheels (9) are rotatably connected to the bottoms of the four vehicle legs (8).