CN215893608U - A pay-off for building - Google Patents

Abstract

The utility model provides a paying-off device for a building, which is not required to be controlled by operating skills and measuring personnel during the whole paying-off and ash spreading operation, and reduces the workload of the measuring personnel. Two ends of the cord are fixed on the bracket; the pressing handle is hinged on the box body; the mounting bracket is fixed inside the box body; the driving wheel is horizontally and rotatably arranged on the mounting bracket; the central shaft is slidably arranged in the guide groove; the pinch roller is horizontally and rotatably arranged on the central shaft, and the wire rope passes through a gap between the driving wheel and the pinch roller; the head of the limiting rod is fixedly arranged on the central shaft, the limiting rod is positioned in the guide groove, and the traction rope penetrates through a gap between the tail of the limiting rod and the guide groove; the conical body is fixed on the traction rope; the discharge pipe is fixed at the bottom of the box body; the bottom cover is hinged at the discharge port; the top end of the traction rope is connected with the pressing handle, and the bottom end of the traction rope is connected with the bottom cover; the spiral conveying shaft is rotatably arranged in the discharge pipe; one end of the rotating shaft is connected with the driving wheel, and the other end of the rotating shaft is connected with the spiral conveying shaft.

Description

A pay-off for building

Technical Field

The utility model relates to a pay-off device for a building.

Background

The measurement setting-out is mainly used for positioning the building and checking the shape of the building. Before the formal construction of a building, the measurement paying-off operation is mainly to mark a shaft network and key points on the ground, so that in order to facilitate foundation pit excavation and land leveling, part of the measurement paying-off lines are required to be actually marked on the ground, and the most common means is to mark the lines in a dust scattering manner. There is not dedicated pay-off that can spill the ash among the prior art, and survey crew's actual method is: 1. finding out the paying-off point position and scattering a grey mark by using equipment such as a total station; 2. pulling a rope between the paying-off point positions; 3. dust is scattered along the string by using a plastic pot or the like. This practice requires the measuring staff to carefully control the plastic jug, to ensure as even as possible the dusting, to require a certain operating skill and to be very physically demanding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the paying-off device for the building, which has a reasonable structural design, does not need operation skills or control of measuring personnel in the whole paying-off and ash spreading operation, is convenient to use and simple to operate, and reduces the workload of the measuring personnel.

The technical scheme adopted by the utility model for solving the problems is as follows: a pay-off for building, comprising a cord, characterized in that: the device also comprises a bracket, a box body, a pressing handle, an opening and closing assembly, a spiral conveying shaft, a bottom cover and a discharging pipe; two ends of the cord are fixed on the bracket; the pressing handle is hinged on the box body; the opening and closing assembly comprises a driving wheel, a mounting bracket, a pressing wheel, a traction rope, a conical body, a rotating shaft, a central shaft and a limiting rod; the mounting bracket is fixed inside the box body; the driving wheel is horizontally and rotatably arranged on the mounting bracket; the mounting bracket is provided with a guide groove, and the central shaft is slidably mounted in the guide groove; the pressing wheel is horizontally and rotatably arranged on the central shaft, the driving wheel and the pressing wheel are oppositely arranged, a gap is formed between the driving wheel and the pressing wheel, and the rope passes through the gap; the head of the limiting rod is fixedly arranged on the central shaft, the limiting rod is positioned in the guide groove, and the traction rope penetrates through a gap between the tail of the limiting rod and the guide groove; the conical body is fixed on the traction rope and is positioned right below a gap between the tail of the limiting rod and the guide groove; the discharge pipe is fixed at the bottom of the box body; the bottom of the discharge pipe is provided with a discharge hole, and the bottom cover is hinged at the discharge hole; the top end of the traction rope is connected with the pressing handle, and the bottom end of the traction rope is connected with the bottom cover; the spiral conveying shaft is rotatably arranged in the discharge pipe; one end of the rotating shaft is connected with the driving wheel, and the other end of the rotating shaft is connected with the spiral conveying shaft.

The top of the box body is provided with a wire groove, and the width of the wire groove is equal to or slightly larger than the diameter of a wire rope.

The top of the box body is provided with a feeding hole.

A torsional spring is arranged at the hinged position of the bottom cover and the discharge hole.

The top of the box body is fixed with a handle.

The pressing handle is hinged and installed on the handle.

The discharge hole is positioned right below the cord.

The spiral conveying shaft is vertically arranged.

The box body, the driving wheel, the pressing wheel and the spiral conveying shaft are all made of plastics.

Compared with the prior art, the utility model has the following advantages and effects:

(1) the opening and closing assembly and the rope are used as a driving mechanism and matched with the spiral conveying shaft to output lime powder downwards, so that the output amount of the lime powder is in direct proportion to the distance of a measurer walking along the rope, and the formed lime line is ensured to be uniform in width; the whole paying-off ash spreading operation does not need operation skills or control of measuring personnel, is convenient to use and simple to operate, and reduces the workload of the measuring personnel. (2) Be provided with the pressure handle, utilize the compression degree of haulage rope and cone control pinch roller, make things convenient for measuring staff's more nimble use. (3) The discharge port is provided with a bottom cover, and the opening and closing of the bottom cover are controlled by a pressing handle, so that the rotation of the auger and the opening and closing of the bottom cover are synchronous.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic top view of a pinch roller and mounting bracket in an embodiment of the utility model.

Fig. 5 is an operational state diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

The embodiment of the utility model comprises a bracket, a wire rope 100, a box body 200, a pressing handle 230, an opening and closing assembly 300, a spiral conveying shaft 400, a bottom cover 420 and a discharge pipe 340.

The support is placed on the unwrapping wire position, and the support only need only can fix the tip of cotton rope 100 can, and there is not special design, and general tripod or can insert the sighting rod etc. in the ground all can be used as the support, for convenience of illustration, do not show the support in the drawing. And the pay-off point position is determined by a measurer through equipment such as a total station and the like.

The string 100 is fixed to the bracket at both ends and tightened.

The top of the housing 200 is provided with a wire groove 210 and a feed inlet 240, and the width of the wire groove 210 is equal to or slightly larger than the diameter of the wire 100, so that the wire 100 can enter the housing 200 through the wire groove 210.

A handle 220 is fixed in the middle of the top of the box body 200, so that a measurer can conveniently carry the box body; the middle of the pressing handle 230 is hingedly mounted to the handle 220, so that the pressing handle 230 is hingedly mounted to the case 200.

The opening and closing assembly 300 comprises a driving wheel 310, a mounting bracket 320, a pressing wheel 330, a traction rope 350, a conical body 360, a rotating shaft 311, a central shaft 331 and a limiting rod 332.

The mounting bracket 320 is fixed inside the case 200.

The drive wheel 310 is horizontally rotatably mounted on the mounting bracket 320.

The mounting bracket 320 is provided with a guide groove 341, and the central shaft 331 is slidably mounted in the guide groove 341, so that the central shaft 331 is slidably mounted on the mounting bracket 320.

The pinch roller 330 is horizontally and rotatably installed on the central shaft 331, the driving roller 310 and the pinch roller 330 are disposed opposite to each other, and a gap is formed between the driving roller 310 and the pinch roller 330 through which the string 100 passes.

The head of the limit rod 332 is fixedly mounted on the central shaft 331, and the limit rod 332 is horizontally arranged. The stopper rod 332 is located in the guide groove 341, a gap is provided between the tail of the stopper rod 332 and the guide groove 341, and the traction rope 350 passes through the gap between the tail of the stopper rod 332 and the guide groove 341. When the pressing handle 230 is not pressed, the central shaft 331 can translate in the guiding groove 341, and the pressing wheel 330 has no pressing effect on the string 100.

The cone 360 is fixed on the pulling rope 350 and is located right below the gap between the tail of the limiting rod 332 and the guiding groove 341.

The discharge pipe 340 is fixed to the bottom of the tank 200 and communicates with the tank 200. The bottom of the discharge pipe 340 is provided with a discharge hole 410. The bottom cover 420 is hinge-mounted at the discharge hole 410. The hinged position of the bottom cover 420 and the discharge hole 410 is provided with a torsion spring which keeps the bottom cover 420 normally closed. The spout 410 is located directly below the rope 100 to ensure that the lime line under the cloth is directly below the rope 100.

The pulling string 350 is connected at the top end thereof to one end of the pressing handle 230 and at the bottom end thereof to the bottom cap 420.

The opening and closing assembly 300 functions to add a control that the driving wheel 310 does not rotate (because there is no pressure between the rope 100 and the driving wheel 310) even if the measurer does not press the pressing handle 230 even though the measurer advances along the rope 100, and the screw shaft 400 does not discharge the lime powder; if the measuring person wants to wire, he must keep pressing the press handle 230 so that the pinch roller 330 and the drive wheel 310 grip the wire.

The spiral conveying shaft 400 is vertically arranged and rotatably installed in the discharge pipe 340; the rotation shaft 311 is connected to the driving wheel 310 at one end and connected to the conveying screw 400 at the other end, and the driving wheel 310 can drive the conveying screw 400 to rotate.

The box 200, the driving wheel 310, the pinch roller 330, the spiral delivery shaft 400, and the discharge pipe 340 are all made of plastic, ensuring that the whole pay-off device is light in weight.

The using method of the pay-off device in the embodiment comprises the following steps:

1. the support is placed at the paying-off point position, and two ends of the rope 100 are connected with the support and tightened;

2. lime powder is stored in the box body 200 through the feed inlet 240;

3. the measurer carries the case 200 and allows the wire 100 to enter from the slot 210 and to fit into the gap between the driving wheel 310 and the pinch roller 330 (without pressing the press handle 230 during this process, the driving wheel 310 and the pinch roller 330 do not pinch the wire 100);

4. the measurer presses and holds the pressing handle 230, as shown in fig. 5, the pulling rope 350 drives the conical body 360 to extrude into the gap between the tail end of the limiting rod 332 and the guide groove 341, and pushes the limiting rod 332, so that the central shaft 331 slides in the guide groove 341 again, the pressing wheel 330 moves towards the direction of the rope 100 and the driving wheel 310 (moves leftwards), and the driving wheel 310 and the pressing wheel 330 clamp the rope 100; meanwhile, the traction rope 350 pulls the bottom cover 420, so that the bottom cover 420 is opened;

5. the measurer walks along the rope 100, the rope 100 drives the driving wheel 310 to rotate, the rotating shaft 311 drives the spiral conveying shaft 400 to rotate, and the spiral conveying shaft 400 discharges lime powder in the box body 200 downwards to form a lime line.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. A pay-off for building, comprising a cord, characterized in that: the device also comprises a bracket, a box body, a pressing handle, an opening and closing assembly, a spiral conveying shaft, a bottom cover and a discharging pipe; two ends of the cord are fixed on the bracket; the pressing handle is hinged on the box body; the opening and closing assembly comprises a driving wheel, a mounting bracket, a pressing wheel, a traction rope, a conical body, a rotating shaft, a central shaft and a limiting rod; the mounting bracket is fixed inside the box body; the driving wheel is horizontally and rotatably arranged on the mounting bracket; the mounting bracket is provided with a guide groove, and the central shaft is slidably mounted in the guide groove; the pressing wheel is horizontally and rotatably arranged on the central shaft, the driving wheel and the pressing wheel are oppositely arranged, a gap is formed between the driving wheel and the pressing wheel, and the rope passes through the gap; the head of the limiting rod is fixedly arranged on the central shaft, the limiting rod is positioned in the guide groove, and the traction rope penetrates through a gap between the tail of the limiting rod and the guide groove; the conical body is fixed on the traction rope and is positioned right below a gap between the tail of the limiting rod and the guide groove; the discharge pipe is fixed at the bottom of the box body; the bottom of the discharge pipe is provided with a discharge hole, and the bottom cover is hinged at the discharge hole; the top end of the traction rope is connected with the pressing handle, and the bottom end of the traction rope is connected with the bottom cover; the spiral conveying shaft is rotatably arranged in the discharge pipe; one end of the rotating shaft is connected with the driving wheel, and the other end of the rotating shaft is connected with the spiral conveying shaft.

2. The pay-off device for construction as claimed in claim 1, wherein: the top of the box body is provided with a wire groove, and the width of the wire groove is equal to or slightly larger than the diameter of the wire rope.

3. The pay-off device for construction as claimed in claim 1, wherein: the top of the box body is provided with a feeding hole.

4. The pay-off device for construction as claimed in claim 1, wherein: and a torsional spring is arranged at the hinged position of the bottom cover and the discharge hole.

5. The pay-off device for construction as claimed in claim 1, wherein: the top of the box body is fixed with a handle.

6. The pay-off device for construction as claimed in claim 5, wherein: the pressing handle is hinged on the handle.

7. The pay-off device for construction as claimed in claim 1, wherein: the discharge hole is positioned right below the thread rope.

8. The pay-off device for construction as claimed in claim 1, wherein: the spiral conveying shaft is vertically arranged.

9. The pay-off device for construction as claimed in claim 1, wherein: the box body, the driving wheel, the pressing wheel and the spiral conveying shaft are all made of plastics.

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