A kind of vertical shaft connection measurement wire suspension device

Abstract

The invention discloses a shaft connection measurement wire suspension device, comprising a bracket, a capstan, a steel wire and a cantilever beam; the bracket comprises two horizontal and symmetrically arranged cross beams, a first vertical beam and a second vertical beam respectively vertically fixed at both ends of the cross beam, and a first supporting beam and a second supporting beam fixed between the first vertical beam and the second vertical beam, and the cross beam, the first vertical beam and the second vertical beam form an inverted "U"-shaped structure, so that the bracket can be clamped on the wellhead of the shaft; a triangular support is fixed on the outer side of the first vertical beam, a support plate is horizontally fixed on the triangular support, a capstan is arranged on the support plate, and a steel wire is wound on the capstan; one end of the cantilever beam is connected to the first supporting beam through a universal joint, and the other end of the cantilever beam is slidably connected to the second supporting beam; both ends of the cantilever beam are fixed with grooved rollers, one end of the steel wire is fixed on the capstan, and the other end passes through the grooved rollers in turn and then naturally droops into the shaft. The device has a simple structure, is easy to fix, and can be repeatedly disassembled and assembled.

Description

Technical Field

[0001] The invention belongs to the technical field of measuring equipment for underground structure construction, and in particular relates to a shaft connection measuring wire suspension device. Background Art

[0002] During the construction of subway shafts and shield machines, the plane coordinates and elevations of the ground control points need to be measured to the bottom of the shaft or the shield tunnel through continuous measurement to measure and locate the shaft or guide the excavation of the shield machine. During the continuous measurement process, a steel wire or steel ruler is hung above the shaft retaining wall. Usually, expansion screws are installed above the retaining wall to fix the wire bracket. Summary of the invention

[0003] In order to solve the above problems existing in the prior art, the present invention provides a shaft connection measurement wire suspension device. The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0004] A shaft connection measurement wire suspension device comprises: a bracket, a capstan, a steel wire and a cantilever beam; the bracket comprises two horizontal and symmetrically arranged cross beams, a first vertical beam and a second vertical beam respectively vertically fixed at two ends of the cross beam, and a first supporting beam and a second supporting beam fixed between the first vertical beam and the second vertical beam, and the cross beam, the first vertical beam and the second vertical beam constitute an inverted "U"-shaped structure, so that the bracket can be clamped on the wellhead of the shaft; a triangular support is fixed on the outer side of the first vertical beam, a supporting plate is horizontally fixed on the triangular support, the capstan is arranged on the supporting plate, and the steel wire is wound on the capstan; one end of the cantilever beam is connected to the first supporting beam through a universal joint, and the other end of the cantilever beam is slidably connected to the second supporting beam and its end extends to the top of the shaft; grooved rollers are fixed at both ends of the cantilever beam, one end of the steel wire is fixed to the capstan, and the other end naturally droops into the shaft after passing through the grooved rollers in turn.

[0005] Furthermore, the height of the first vertical beam is smaller than the height of the second vertical beam; the height of the first support beam is smaller than the height of the second support beam, so that the cantilever beam is inclined with the inside higher and the outside lower.

[0006] Furthermore, the included angles between the cantilever beam and the first support beam and the second support beam are both 45°.

[0007] Furthermore, the winch is provided with a brake device.

[0008] Furthermore, the first vertical beam is arranged in contact with the outer wall of the side wall of the shaft opening; the second vertical beam is arranged in contact with the inner wall of the side wall of the shaft opening; and the horizontal beam is arranged in contact with the top surface of the side wall of the shaft opening.

[0009] Beneficial effects of the present invention:

[0010] 1. The device is easy to disassemble, which facilitates the installation and movement of the wire suspension device and the wire. The suspension device can adjust the fixed position of the wire within a certain range, so that the contact triangle figure meets the requirements in the directional contact measurement of a well;

[0011] 2. The device improves the efficiency of wire suspension in contact measurement. During the measurement process, it is convenient to quickly adjust the contact measurement graph, avoiding the problems of using expansion screws to fix and wire suspension angle difference in the previous contact measurement operation, and also improves the efficiency of on-site operations, with obvious economic and social benefits;

[0012] 3. The suspension device has a simple structure, is easy to fix, and can be disassembled and assembled repeatedly.

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 It is a schematic diagram of the use state of the present invention.

[0016] Description of reference numerals:

[0017] 1- bracket; 2- capstan; 3- steel wire; 4- cantilever beam; 5- wellhead side wall; 6- triangular support; 7- support plate; 8- universal joint; 9- slider; 10- slide rail; 11- brake device; 1-1- cross beam; 1-2- first vertical beam; 1-3- second vertical beam; 1-4- first support beam; 1-5- second support beam; 11-1- handle. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below with reference to specific embodiments, but the embodiments of the present invention are not limited thereto.

[0019] Please also see Figure 1 and Figure 2The embodiment of the present invention provides a shaft connection measurement wire suspension device, which specifically includes: a bracket 1, a winch 2, a wire 3 and a cantilever beam 4; wherein the bracket 1 includes two horizontally and symmetrically arranged cross beams 1-1, two first vertical beams 1-2 and two second vertical beams 1-3 respectively vertically fixed at both ends of the two cross beams 1-1, and a first support beam 1-4 and a second support beam 1-5 fixed between the two first vertical beams 1-2 and the two second vertical beams 1-3; and the cross beam 1-1, the two first vertical beams 1-2, and the two second vertical beams 1-3 are connected to form an inverted "U"-shaped structure, so that the bracket 1 can be clamped on the shaft opening side wall 5 of the shaft; the first vertical beam 1-2 is arranged to fit the outer wall of the shaft opening side wall 5; the second vertical beam 1-3 is arranged to fit the inner wall of the shaft opening side wall 5; the cross beam 1-1 is arranged to fit the top surface of the shaft opening side wall 5.

[0020] A triangular support 6 is fixed to the outer side of the two first vertical beams 1-2, and a support plate 7 is horizontally fixed on the triangular support 6. A winch 2 is arranged on the support plate 7, and a steel wire 3 is wound around the winch 2. The steel wire 3 is retracted and released by rotating the winch 2 on the winch shaft; one end of the cantilever beam 4 is connected to the first support beam 1-4 through a universal joint 8, and the other end of the cantilever beam 4 is slidably connected to the second support beam 1-5 through a slider 9 and a slide rail 10 located on the second support beam 1-5 and its end extends to the top of the shaft; grooved rollers (not shown in the accompanying drawings) are fixed at both ends of the cantilever beam 4, and the groove of the grooved roller is "V"-shaped, and a baffle (not shown in the accompanying drawings) is arranged on the outer side of the grooved roller on one end of the cantilever beam 4, and the baffle has a hole, one end of the steel wire 3 is fixed to the winch 2, and the other end passes through the hole on the baffle and naturally droops into the shaft through the grooved roller at the end of the cantilever beam 4.

[0021] Among them, the brackets 1 are all welded with 3cm×3cm square steel; the cantilever beams 4 are made of 3cm×3cm square steel; the total height of the brackets 1 is 1500mm, and the length of the cantilever beams 4 is 1000mm.

[0022] Furthermore, the angles between the cantilever beam 4 and the first support beam 1 - 4 and the second support beam 1 - 5 are all 45°.

[0023] Furthermore, in order to better measure and locate the vertical shaft, the two horizontal beams 1-1, the first vertical beam 1-2, the second vertical beam 1-3, the first support beam 1-4, and the second support beam 1-5 are connected to form an "h"-shaped structure, and the height of the first vertical beam 1-2 is smaller than the height of the second vertical beam 1-3; the height of the first support beam 1-4 is smaller than the height of the second support beam 1-5, so that the cantilever beam 4 is inclined with the inside high and the outside low, so that the cantilever beam 4 can be inclined upward above the vertical shaft.

[0024] Furthermore, the winch 2 is provided with a brake device 11, and an operating handle 11-1 is connected to the brake device 11. When the steel wire 3 is lowered to a desired position, the brake device 11 is controlled by the handle 11-1 to brake the winch 11, so that the winch 11 stops and locks, thereby fixing the position of the steel wire 3. The brake device 11 is a prior art, and the embodiments of the present invention will not be described in detail again.

[0025] After the position of the steel wire 3 is fixed, the cantilever beam 4 can slide on the second support beams 1-5 to adjust the length and position of the steel wire drooping into the shaft, so that the connection triangle figure meets the requirements in the directional connection measurement of a well.

[0026] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0027] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A shaft connection measurement wire suspension device, characterized in that: include: A bracket, a winch, a steel wire and a cantilever beam; the bracket comprises two horizontal and symmetrically arranged cross beams, a first vertical beam and a second vertical beam respectively fixed vertically at two ends of the cross beam, and a first supporting beam and a second supporting beam fixed between the first vertical beam and the second vertical beam, and the cross beam, the first vertical beam and the second vertical beam form an inverted "U"-shaped structure, so that the bracket can be clamped on the wellhead of the vertical shaft; a triangular support is fixed on the outer side of the first vertical beam, a supporting plate is horizontally fixed on the triangular support, the winch is arranged on the supporting plate, and the steel wire is wound on the winch; one end of the cantilever beam is connected to the first supporting beam through a universal joint, and the other end of the cantilever beam is slidably connected to the second supporting beam through a slider and a slide rail located on the second supporting beam and extends its end to the top of the vertical shaft; grooved rollers are fixed at both ends of the cantilever beam, one end of the steel wire is fixed to the winch, and the other end naturally droops into the vertical shaft after passing through the grooved rollers in turn.

2. The shaft connection measurement wire suspension device according to claim 1 is characterized in that: The height of the first vertical beam is smaller than that of the second vertical beam; the height of the first support beam is smaller than that of the second support beam, so that the cantilever beam is inclined with the inside higher and the outside lower.

3. The shaft connection measurement wire suspension device according to claim 2 is characterized in that: The included angles between the cantilever beam and the first support beam and the second support beam are both 45°.

4. The shaft connection measurement wire suspension device according to claim 1, 2 or 3, characterized in that: The winch is provided with a brake device.

5. The shaft connection measurement wire suspension device according to claim 4 is characterized in that: The first vertical beam is arranged in contact with the outer wall of the side wall of the shaft opening; the second vertical beam is arranged in contact with the inner wall of the side wall of the shaft opening; and the horizontal beam is arranged in contact with the top surface of the side wall of the shaft opening.

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