CN210594760U

CN210594760U - Cable reel device for shield measuring equipment

Info

Publication number: CN210594760U
Application number: CN201921634987.7U
Authority: CN
Inventors: 郑永杰; 张劲涛; 耿晓亮; 陈生奇; 王孟龙; 魏超
Original assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-05-22
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a cable reel device for shield measuring equipment, which comprises an elastic catch (1), a gear ring (2), a bracket (3), a turntable (4), a rotating shaft (5) and a conductive device; the rotating discs are arranged on the support through rotating shafts and rotate, the pair of rotating discs are connected through a circular tube (41), the circular tube is sleeved with the rotating shafts and synchronously rotates, and the cable is wound on the circular tube and can drive the circular tube to rotate; the gear ring is circumferentially surrounded on the turntable and synchronously rotates with the turntable, a plurality of teeth are uniformly distributed on the gear ring, an oblique resistance groove (21) is formed between every two adjacent teeth, one end of each elastic blocking piece is arranged on the support, and the other end of each elastic blocking piece is obliquely inserted into one oblique resistance groove of the gear ring, so that the elastic blocking pieces can move between the oblique resistance grooves on the gear ring when the turntable rotates; the conductive device is arranged on the rotating shaft. The utility model discloses can avoid the cable to be twined or the scraping along with the automatic unwrapping wire of the tunnelling of shield structure machine, ensure measuring equipment's such as total powerstation normal use.

Description

Cable reel device for shield measuring equipment

Technical Field

The utility model relates to a shield constructs method tunnel construction equipment, especially relates to a shield constructs cable reel device for measuring equipment.

Background

In the process of tunneling by a shield method, a total station serves as an eye of a shield machine, the total station is fixed on a pipe sheet through a bracket, the total station needs to be powered on by an AC220V power supply and is provided with the power supply by the shield machine, and a power line of the total station is generally laid on the shield machine or hung on the pipe sheet in the prior art. The shield machine and the total station generate relative motion along with forward tunneling of the shield machine, and a cable is easily scratched and wound, so that a specially-assigned person is required to constantly pay attention to the fact that a power supply cable of the total station is not wound and broken by the shield machine during relative motion, even a support of the total station is pulled, the total station is inaccurate in positioning and air bubbles are deviated, and meanwhile, the cable needs to be manually collected and released, so that great inconvenience is brought to normal tunnel construction and guiding and measuring work in the construction process.

Disclosure of Invention

An object of the utility model is to provide a shield constructs cable reel device for measuring equipment can avoid the cable to be twined or scrape along with the automatic unwrapping wire of the tunnelling of shield structure machine, ensures measuring equipment's such as total powerstation normal use.

The utility model discloses a realize like this:

a cable reel device for shield measuring equipment comprises an elastic separation blade, a gear ring, a support, a turntable, a rotating shaft and a conductive device; the rotating discs are arranged on the support through the rotating shaft and rotate, the pair of rotating discs are connected through a circular tube, the circular tube is coaxially sleeved with the rotating shaft and synchronously rotates, and the cable is wound on the circular tube between the pair of rotating discs and can drive the circular tube to rotate; the gear ring is circumferentially surrounded on the turntable and synchronously rotates with the turntable, a plurality of teeth are uniformly distributed on the gear ring, an oblique resistance groove is formed between every two adjacent teeth, one end of each elastic blocking piece is arranged on the support, and the other end of each elastic blocking piece is obliquely inserted into one oblique resistance groove of the gear ring, so that the elastic blocking pieces can move between the oblique resistance grooves on the gear ring when the turntable rotates; the conductive device is arranged on the rotating shaft.

The width of the elastic baffle is 1cm, and the thickness of the elastic baffle is 3 mm.

The gear ring and the turntable are of an integral structure.

The inclined direction of the groove body of the inclined resistance groove is the same as the rotating direction of the rotary table.

The support be reverse Y shape structure, the top of support is equipped with the installation pole, the top that the elasticity separation blade set up on the installation pole and is located the carousel.

The conductive device comprises a conductive slip ring and a carbon brush, and the three conductive devices are respectively connected to the live wire, the zero line and the grounding wire.

The utility model discloses can avoid the cable to be twined or the scraping along with the automatic unwrapping wire of the tunnelling of shield structure machine and extension cable, ensure measuring equipment's such as total powerstation normal use, have simple structure, convenient for material collection, with low costs, can have enough to meet the need advantages such as utilization, economical and practical, be fit for extensively using widely.

Drawings

Fig. 1 is a schematic structural view of a cable reel device for shield measuring equipment according to the present invention;

fig. 2 is a side view of the cable reel device for shield measuring equipment of the present invention;

fig. 3 is a front view of the cable reel device for shield measuring equipment of the present invention;

fig. 4 is a top view of the cable reel device for shield measuring equipment of the present invention;

fig. 5 is a schematic connection diagram of a conductive device in the cable reel device for shield measurement equipment according to the present invention;

fig. 6 is a schematic use view of the cable reel device for shield measurement equipment of the present invention.

In the figure, 1 elastic baffle, 2 gear rings, 21 oblique resistance grooves, 3 supports, 31 mounting rods, 4 rotating discs, 41 round tubes, 5 rotating shafts, 61 conductive slip rings, 62 carbon brushes, 7 total stations, 8 shield machines and 9 cables.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to the attached drawing 1, the cable reel device for the shield measuring equipment comprises an elastic baffle 1, a gear ring 2, a bracket 3, a turntable 4, a rotating shaft 5 and a conductive device; referring to fig. 3 and fig. 4, the rotating discs 4 are arranged on the support 3 through the rotating shaft 5 and rotate, the pair of rotating discs 4 are connected through the circular tube 41, the circular tube 41 is coaxially sleeved with the rotating shaft 5 and synchronously rotates, and the cable is wound on the circular tube 41 between the pair of rotating discs 4 and can drive the circular tube 41 to rotate; the gear ring 2 circumferentially surrounds the outer wall of the rotating disc 4 and synchronously rotates with the rotating disc 4, referring to the attached drawing 2, a plurality of teeth are uniformly distributed on the gear ring 2, an oblique resistance groove 21 is formed between every two adjacent teeth, one end of the elastic baffle sheet 1 is arranged at the top of the bracket 3, the other end of the elastic baffle sheet 1 is obliquely inserted into one oblique resistance groove 21 of the gear ring 2, so that the elastic baffle sheet 1 can move between the oblique resistance grooves 21 on the gear ring 2 when the rotating disc 4 rotates; the conductive device is arranged on the rotating shaft 5.

The elastic baffle plate 1 is made of an iron sheet with the width of 1cm and the thickness of 3mm, has certain deformation capacity, can be tightly propped in the inclined resistance groove 21 to provide resistance when the turntable 4 rotates, and can rotate relative to the gear ring 2 when the tension is large enough.

The gear ring 2 and the rotary table 4 are of an integral structure, and the rotary table 4 can be made of iron sheets and has good bearing and protecting effects on cables.

The inclined direction of the groove body of the inclined resistance groove 21 is the same as the rotating direction of the rotating disc 4, so that the inclined resistance groove 21 and the elastic baffle sheet 1 can be tightly propped against each other to provide resistance for the rotation of the rotating disc 4.

The support 3 is an inverted Y-shaped structure made of round tubes or square tubes through welding and used for supporting the whole cable reel device.

The top of the bracket 3 is provided with a mounting rod 31, the elastic blocking piece 1 is arranged on the mounting rod 31, and the elastic blocking piece 1 is positioned above the turntable 4 and is convenient to tightly push against the inclined resistance groove 21 of the gear ring 2.

Referring to fig. 5, the conductive device includes a conductive slip ring 61 and a carbon brush 62, and three conductive devices are respectively connected to the live line L, the neutral line N and the ground line PE, so as to achieve the purpose of conducting electricity and effectively prevent the cable 9 from being wound.

Referring to fig. 1 to 6, in use, the elastic blocking piece 1 is tightly pressed in the oblique resistance groove 21 of the gear ring 2 to provide resistance for the turntable 4 and prevent the turntable 4 from freely rotating, and the cable 9 connected between the total station 7 and the power supply of the shield tunneling machine 8 is wound on the circular tube 41. When the cable 9 is pulled, the cable pulling force and the inertia force drive the pair of rotary tables 4 to rotate, when the cable pulling force and the inertia force are larger than the resistance force generated between the elastic blocking piece 1 and the inclined resistance groove 21, the rotary tables 4 and the gear ring 2 synchronously rotate, the elastic blocking piece 1 is separated from one inclined resistance groove 21 and clamped into the next inclined resistance groove 21, the rotary tables 4 and the gear ring 2 synchronously rotate one tooth, the rotary tables 4 slowly rotate along with the tunneling of the shield tunneling machine, the cable 9 extends forwards, and the purpose of automatic paying-off is achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a shield constructs cable reel device for measuring equipment which characterized by: comprises an elastic baffle (1), a gear ring (2), a bracket (3), a turntable (4), a rotating shaft (5) and a conductive device; the rotary tables (4) are arranged on the support (3) through the rotating shaft (5) and rotate, the pair of rotary tables (4) are connected through the circular tube (41), the circular tube (41) is coaxially sleeved with the rotating shaft (5) and synchronously rotates, and the cable is wound on the circular tube (41) between the pair of rotary tables (4) and can drive the circular tube (41) to rotate; the gear ring (2) circumferentially surrounds the turntable (4) and synchronously rotates with the turntable (4), a plurality of teeth are uniformly distributed on the gear ring (2), an oblique resistance groove (21) is formed between every two adjacent teeth, one end of each elastic blocking piece (1) is arranged on the support (3), the other end of each elastic blocking piece (1) is obliquely inserted into one oblique resistance groove (21) of the gear ring (2), and the elastic blocking pieces (1) can move between the oblique resistance grooves (21) on the gear ring (2) when the turntable (4) rotates; the conductive device is arranged on the rotating shaft (5).

2. The cable reel device for shield measurement equipment according to claim 1, wherein: the width of the elastic baffle sheet (1) is 1cm, and the thickness is 3 mm.

3. The cable reel device for shield measurement equipment according to claim 1, wherein: the gear ring (2) and the turntable (4) are of an integral structure.

4. The cable reel device for shield measurement equipment according to claim 1, wherein: the inclined direction of the groove body of the inclined resistance groove (21) is the same as the rotating direction of the rotating disc (4).

5. The cable reel device for shield measuring equipment according to claim 1 or 4, wherein: the support (3) is of an inverted Y-shaped structure, the top of the support (3) is provided with an installation rod (31), and the elastic blocking piece (1) is arranged on the installation rod (31) and located above the turntable (4).

6. The cable reel device for shield measurement equipment according to claim 1, wherein: the conductive device comprises a conductive slip ring (61) and a carbon brush (62), and the three conductive devices are respectively connected to a live wire, a zero wire and a ground wire.