CN210658453U

CN210658453U - Precast concrete inspection shaft

Info

Publication number: CN210658453U
Application number: CN201920710558.7U
Authority: CN
Inventors: 何尔月; 陈苏; 蔡亦贤; 庄斌; 张述朝; 翁育淋; 李晓峰
Original assignee: Gao Hua Fujian Construction Engineering Co ltd
Current assignee: Gao Hua Fujian Construction Engineering Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-06-02
Anticipated expiration: 2029-05-17

Abstract

The application provides a precast concrete inspection shaft, wherein, include: base, pit shaft regulation section, well circle seat and well lid board that set gradually from bottom to top, form the well chamber that link up each other in pit shaft and the pit shaft regulation section down, have in the well circle seat with the upper shed that the well chamber link up, the upside of well circle seat still is provided with prevents the square piece that collapses, the pit shaft down with all inlay on the inner wall of pit shaft regulation section and be equipped with the embedded pipe, be provided with loose pulley assembly in the upper shed of well circle seat. The application provides a precast concrete inspection shaft, the road bed that has solved around the well lid board of inspection shaft is very easily appeared sinking the phenomenon of collapsing and the inconvenient problem that rises to rise of heavy object in the well.

Description

Precast concrete inspection shaft

Technical Field

The utility model relates to an underground structure especially relates to a precast concrete inspection shaft.

Background

The concrete inspection well is generally arranged below a municipal road and is convenient to maintain and install for power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, the inspection well is usually arranged at certain intervals, the pipelines are convenient to regularly inspect and maintain, the safety and smoothness of the inspection well are ensured, the prefabricated concrete inspection well thoroughly changes the structure of the traditional brick inspection well, and the prefabricated concrete inspection well has the characteristics of high strength, rapid assembly construction and tight seam, can overcome the defects of a clay brick inspection well, thereby greatly improving the field operation speed of the inspection well and shortening the construction period. But after long-term use, the roadbed around the well cover plate of the inspection well is very easy to sink and sink, so that the road surface is uneven, great hidden danger is caused to the driving safety, and in addition, heavy objects in the well are not convenient to lift, so that the use effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a precast concrete inspection shaft, the road bed around the well lid board of having solved the inspection shaft very easily appears sinking the phenomenon of subsideing and the inconvenient problem that rises to rise of heavy object in the well.

In order to solve the technical problem, the utility model provides a following technical scheme:

a precast concrete manhole, comprising: base, pit shaft regulation section, well circle seat and well lid board that set gradually from bottom to top, form the well chamber that link up each other in pit shaft and the pit shaft regulation section down, have in the well circle seat with the upper shed that the well chamber link up, the upside of well circle seat still is provided with prevents the square piece that collapses, the pit shaft down with all inlay on the inner wall of pit shaft regulation section and be equipped with the embedded pipe, be provided with loose pulley assembly in the upper shed of well circle seat.

Further, loose pulley assembly establishes including inlaying erection column in the well circle seat, fixing brace table on the well circle seat inner wall, hinge and be in mounting bracket, the setting of erection column one end are in tripod, rotation on the mounting bracket set up pulley in the tripod, wherein, the brace table is located the downside of erection column, be provided with the regulation post on the brace table, the cover is equipped with to keep off on the regulation post the mounting bracket with second spring between the brace table.

Furthermore, the upper end of the adjusting column extends to the upper end of the mounting rack through the inner hole of the mounting rack, a baffle is connected to the upper end of the adjusting column, and the baffle abuts against the upper side of the mounting rack.

Furthermore, the pulley assembly further comprises an overload protection assembly, the overload protection assembly comprises a clamping block and two first springs connected to the lower end of the clamping block, the lower ends of the two first springs are connected to two sides of the upper end of the baffle respectively, and the clamping block extends to the lower side of the pulley.

Furthermore, one end of the clamping block is rotatably provided with a guide wheel, and the upper end of the clamping block is provided with a rubber piece.

Furthermore, a plurality of steps are longitudinally arranged in the well cavity, longitudinal reinforcing steel bars are embedded in the lower well shaft and the well shaft adjusting section, one end of each step is connected with the longitudinal reinforcing steel bars, and the other end of each step extends into the well cavity

Furthermore, a longitudinal reinforcing steel bar is embedded in the well ring seat, and a step connected with the longitudinal reinforcing steel bar is arranged in the upper opening.

Furthermore, the shaft adjusting sections are connected with the lower shaft through grooves and tongues, the adjacent two shaft adjusting sections are connected through grooves and tongues, and the shaft adjusting sections are connected with the lower end of the collar seat through grooves and tongues.

Furthermore, the anti-collapse part comprises a support column fixed on the walling crib seat, a support table arranged at the top end of the support column, and an arc-shaped upper cover buckled on the outer side of the support table.

Furthermore, one side of the lower shaft is connected with a water inlet pipe joint, the other side of the lower shaft is connected with a water outlet pipe joint, and the inner diameter of the water outlet pipe joint is larger than that of the water inlet pipe joint

According to the above technical scheme, the utility model discloses following beneficial effect has:

1. because the upper side of the well ring seat is also provided with the anti-collapse part, the bearing performance of the road surface around the well ring seat is effectively improved, the sinking phenomenon of the roadbed is avoided, and the sinking problem of the road is favorably solved;

2. because the pulley assembly is arranged in the upper opening of the well ring seat, heavy objects in the well can be conveniently lifted through the pulley assembly, the practicability is high, and the lifting of the heavy objects is labor-saving.

3. The pulley assembly further comprises an overload protection assembly, so that the pulley assembly can be effectively protected from being damaged by overload, and the normal work of the pulley assembly is protected.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure viewed from the right side of the present invention.

Fig. 3 is a schematic structural diagram of the pulley assembly of the present invention.

Description of reference numerals: the anti-collapse well comprises a base-1, a protrusion-11, a lower well shaft-2, a water inlet pipe joint-21, a water outlet pipe joint-22, a well cavity-23, a well shaft adjusting section-3, a rabbet-31, a well ring seat-4, an upper opening-41, a well cover plate-5, an embedded pipe-7, an anti-collapse square part-6, an arc-shaped upper cover-61, a support column-62, a support table-63, longitudinal reinforcing steel bars-8, a step-81, a pulley component-9, an installation column-91, an installation frame-92, a support table-93, an adjusting column-94, a baffle-941, a first spring-95, a fixture block-96, a guide wheel-961, a rubber part-962, a tripod-97, a pulley-98 and a second spring-99.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As further described with reference to fig. 1 to 3, a precast concrete manhole as shown in fig. 1 includes: base 1, pit shaft 2, pit shaft regulation section 3, walling crib seat 4 and well lid board 5 that set gradually from bottom to top, form the well chamber 23 that link up each other in pit shaft 2 and the pit shaft regulation section 3 down, have in the walling crib seat 4 with the upper shed 41 that the well chamber 23 link up the upside of walling crib seat 4 still is provided with prevents the square part 6 that collapses, pit shaft 2 down with it is equipped with embedded pipe 7 all to inlay on the inner wall of pit shaft regulation section 3, be provided with loose pulley assembly 9 in the upper shed 41 of walling crib seat 4, be convenient for pass through loose pulley assembly 9 plays to rise the heavy object in with the well, pit shaft regulation section 3 has a plurality ofly, is convenient for adjust the mounting height of walling crib board 5 according to the total depth of inspection shaft, ensures that the road.

Spiral inlays on the inner wall of pit shaft regulation section 3 and is equipped with round embedded pipe 7 annular inlays on the inner wall of pit shaft 2 down and is equipped with embedded pipe 7, the internal plant inhibitor that is filled in embedded pipe 7 the lower extreme of embedded pipe 7 is connected with a plurality of burettes, have the drip hole in the burette, the installation back, open the drip hole, be convenient for plant inhibitor in the embedded pipe 7 passes through the drip hole outwards oozes, prevents that the inspection shaft inner wall from breeding the plant.

As shown in fig. 3, the pulley assembly 9 includes an installation column 91 embedded in the walling crib 4, a support platform 93 fixed on the inner wall of the walling crib 4, an installation frame 92 hinged to one end of the installation column 91, a tripod 97 arranged on the installation frame 92, and a pulley 98 rotatably arranged in the tripod 97, wherein the support platform 93 is located at the lower side of the installation column 91, an adjusting column 94 is arranged on the support platform 93, a second spring 99 abutting against the installation frame 92 and the support platform 93 is sleeved on the adjusting column 94, the second spring 99 elastically supports the installation frame 92, and the pulley 98 rotates to drive the pulling rope outside the pulley 98 to lift heavy objects, so that the usability is high.

The upper end of adjusting post 94 is passed through the hole of mounting bracket 92 and is extended to the upper end of mounting bracket 92, just the upper end of adjusting post 94 is connected with baffle 941, baffle 941 supports and is kept out the upside of mounting bracket 92.

The shield 941 prevents the mounting bracket 92 from coming out of the upper end of the adjustment post 94 on the one hand, and the shield 941 supports the overload protection member on the other hand.

Specifically, the inner hole of the mounting bracket 92 is a kidney-shaped hole.

Pulley assembly 9 still includes overload protection subassembly, overload protection subassembly includes fixture block 96 and connects two first springs 95 of fixture block 96 lower extreme, and the lower extreme of two first springs 95 is connected respectively the both sides of baffle 941 upper end, fixture block 96 extends to the downside of pulley 98, two first spring 95 elastic support fixture block 96's lower extreme, overload protection subassembly can effectively avoid pulley assembly 9 receives overload damage, and protection pulley assembly normally works, ensures pulley assembly and the prefabricated inspection shaft's of concrete life, and the practicality is high.

A guide wheel 961 is rotatably arranged at one end of the fixture block 96, a rubber piece 962 is arranged at the upper end of the fixture block 96, and a pull rope sleeved on the periphery of the pulley 98 passes through the guide wheel 961 in the normal rotation process of the pulley 98, so that the pull rope can be pulled smoothly.

As shown in fig. 1 and 2, a plurality of steps 81 are longitudinally arranged in the well cavity 23, longitudinal reinforcing steel bars 8 are embedded in the lower well shaft 2 and the well shaft adjusting section 3, one end of each step 81 is connected with the longitudinal reinforcing steel bar 8, the other end of each step 81 extends into the well cavity 23, the longitudinal reinforcing steel bars 8 are beneficial to reinforcing the strength of the lower well shaft 2 and the strength of each step 81, and the longitudinal reinforcing steel bars 8 are connected with the steps 81 through welding.

The embedded vertical reinforcing bar 8 that is equipped with of well circle seat 4, be provided with in the upper shed 41 with the mark time 81 that vertical reinforcing bar 8 is connected, vertical reinforcing bar 8 is favorable to strengthening the intensity of well circle seat 4 with mark time 81's intensity.

The shaft adjusting sections 3 are connected with the lower shaft 2 through the grooves and the tongues 31, the two adjacent shaft adjusting sections 3 are connected through the grooves and the tongues 31, and the shaft adjusting sections 3 are connected with the lower ends of the collar seats 4 through the grooves and the tongues 31, so that the quick installation is facilitated, the construction of the inspection well is quick and simple, brick laying and joint pointing are omitted, the installation work efficiency is greatly improved, the installation is convenient, and the flexible use is realized.

Prevent that square 6 collapses is including fixing support column 62, the setting on the walling crib 4 is in the brace table 63 on support column 62 top and detain arc upper cover 61 in the brace table 63 outside, through the upside of walling crib 4 sets up prevents square 6 that collapses, the effectual bearing performance who promotes the road surface around walling crib 4 avoids the emergence of the sunken phenomenon of road bed, is favorable to solving the problem of collapsing of road.

The support platform 63 and the support column 62 preferably support the arc-shaped upper cover 61, so as to improve the load-bearing performance of the pavement around the well ring seat 4.

One side of the lower shaft 2 is connected with a water inlet pipe joint 21, the other side of the lower shaft 2 is connected with a water outlet pipe joint 22, and the inner diameter of the water outlet pipe joint 22 is larger than that of the water inlet pipe joint 21.

When the integrated inspection well is installed, the lower shaft 2 is in butt joint with the base 1, the shaft adjusting sections 3 are in butt joint with the grooves and tongues 31 at the upper end of the lower shaft 2, the shaft adjusting sections 3 are in butt joint through the grooves and tongues, the lower end of the well ring seat 4 is in butt joint with the grooves and tongues 31 at the upper end of the shaft adjusting sections 3 to form the integrated inspection well, the well cover plate 5 is installed at the upper end of the upper opening 41, and then soil is poured and filled back to the outer side of the inspection well for fixation, so that the integrated inspection well is convenient to install, low in manufacturing cost, flat and smooth in appearance, water-tight, durable.

Specifically, a circle of protrusions 11 are arranged at the upper end of the base 1, and a groove matched with the protrusions 11 is arranged at the lower end of the lower shaft 2.

The material of the lower shaft 2, the shaft adjusting section 3, the well ring seat 4 and the well cover plate 5 is C30 concrete.

The pulley 98 is sleeved with a pull rope on the periphery to facilitate rotation of the pulley 98, the pull rope can lift a heavy object from the lower shaft 2, when the heavy object lifted by the pull rope exceeds the bearing range of the pulley 98, the tripod 97 and the mounting rack 92 rotate downwards around the mounting column 91, so that the second spring 99 is stressed and compressed, the lower end of the pulley 98 touches the rubber piece 962 of the fixture block 96, and under the elastic action force of the first spring 95, the rubber piece 962 of the fixture block 96 extrudes the pulley 98 and prevents the pulley 98 from stopping rotation, so that the overload protection effect is achieved, and the damage of the pulley assembly or the precast concrete inspection well caused by overload is prevented.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A precast concrete manhole, comprising: base (1), pit shaft (2), pit shaft regulation section (3), well circle seat (4) and well lid board (5) that set gradually from bottom to top, form well chamber (23) that link up each other in pit shaft (2) and pit shaft regulation section (3), have in well circle seat (4) with upper shed (41) that well chamber (23) link up, the upside of well circle seat (4) still is provided with prevents that square (6) collapse, pit shaft (2) down with it is equipped with embedded pipe (7) all to inlay on the inner wall of pit shaft regulation section (3), be provided with in upper shed (41) of well circle seat (4) pulley assembly (9).

2. The precast concrete inspection well according to claim 1, characterized in that the pulley assembly (9) comprises a mounting column (91) embedded in the well ring seat (4), a support platform (93) fixed on the inner wall of the well ring seat (4), a mounting frame (92) hinged to one end of the mounting column (91), a tripod (97) arranged on the mounting frame (92), and a pulley (98) rotatably arranged in the tripod (97), wherein the support platform (93) is located at the lower side of the mounting column (91), an adjusting column (94) is arranged on the support platform (93), and a second spring (99) abutting between the mounting frame (92) and the support platform (93) is sleeved on the adjusting column (94).

3. Precast concrete manhole according to claim 2, wherein the upper end of the adjusting column (94) extends to the upper end of the mounting frame (92) through the inner hole of the mounting frame (92), and a baffle plate (941) is connected to the upper end of the adjusting column (94), the baffle plate (941) abutting against the upper side of the mounting frame (92).

4. The precast concrete manhole according to claim 3, wherein the pulley assembly (9) further comprises an overload prevention assembly including a latch (96) and two first springs (95) connected to lower ends of the latch (96), lower ends of the two first springs (95) being connected to both sides of an upper end of the barrier (941), respectively, the latch (96) extending to a lower side of the pulley (98).

5. The precast concrete manhole as claimed in claim 4, wherein a guide wheel (961) is rotatably provided at one end of the latch (96), and a rubber member (962) is provided at an upper end of the latch (96).

6. The precast concrete inspection well as claimed in claim 1, wherein a plurality of steps (81) are longitudinally arranged in the well cavity (23), longitudinal reinforcing steel bars (8) are embedded in the lower well shaft (2) and the well shaft adjusting section (3), one end of each step (81) is connected with the longitudinal reinforcing steel bar (8), and the other end of each step (81) extends into the well cavity (23)

7. Precast concrete manhole according to claim 6, wherein longitudinal reinforcing bars (8) are embedded in the collar seat (4), and steps (81) connected with the longitudinal reinforcing bars (8) are arranged in the upper opening (41).

8. Precast concrete manhole according to claim 1, wherein the shaft adjusting sections (3) are connected with the lower shaft (2) through grooves and tongues (31), two adjacent shaft adjusting sections (3) are connected through grooves and tongues (31), and the shaft adjusting sections (3) are connected with the lower end of the collar base (4) through grooves and tongues (31).

9. Precast concrete manhole according to claim 1, wherein the anti-collapse member (6) comprises a support column (62) fixed to the collar (4), a support platform (63) provided at the top end of the support column (62), and an arc-shaped upper cover (61) fastened to the outside of the support platform (63).

10. Precast concrete manhole according to claim 1, wherein one side of the lower shaft (2) is connected with a water inlet pipe section (21), and the other side of the lower shaft (2) is connected with a water outlet pipe section (22), wherein the inner diameter of the water outlet pipe section (22) is larger than that of the water inlet pipe section (21).