CN215906844U

CN215906844U - Be used for piping lane side wall template positioner

Info

Publication number: CN215906844U
Application number: CN202121689397.1U
Authority: CN
Inventors: 夏贵峰; 张冬杰; 杨玲; 余明川; 崔成华; 刘方明; 张旭东; 陈先凯; 冯加刚
Original assignee: First Construction Co Of Cccc Second Harbor Engineering Co ltd
Current assignee: First Construction Co Of Cccc Second Harbor Engineering Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-25
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a template positioning device for a side wall of a pipe gallery, which comprises a template component and a pull rod, wherein the template component comprises a first template and a second template which are arranged oppositely; the outer sides of the first template and the second template are respectively provided with a rotary drum, the rotary drum is sleeved on the pull rod, and the rotary drum is used for providing a rotary support for the pull rod; the connecting piece is arranged between the pull rod and the sleeve and used for adjusting the length of the sleeve and enabling one side of the outer barrel to abut against the second template. The method is simple to operate and high in construction efficiency, the sleeve is sleeved on the surface of the pull rod, the pull rod can be conveniently taken out of a concrete pouring layer after pouring and forming, the method is simple and convenient, the detached pull rod can be repeatedly utilized, and the method is energy-saving and environment-friendly.

Description

Be used for piping lane side wall template positioner

Technical Field

The utility model relates to the technical field of pipe gallery construction, in particular to a positioning device for a side wall template of a pipe gallery.

Background

Pipe gallery, i.e. the corridor of the pipeline. Many of the pipes in chemical and related plants are grouped together and arranged along the outside of the plant or building, typically in the air, supported by supports, in a manner similar to a corridor. There are also a few pipe galleries located underground.

In city utility tunnel work progress, need set up the pull rod between two templates, the relative position between the fixed template is accurate, avoids at the in-process of concrete construction, takes place the concrete bloated mould and makes the position between two templates change.

In the process of actually arranging the pull rod, most of the opposite-penetrating pull rods of the template are in a pull piece type, and the exposed concrete pull rod is cut off by using a welding gun or a grinding wheel after the template is removed, so that the labor intensity of construction personnel is high, and the working efficiency is reduced; in order to reduce the construction burden, the pull rod is often left in the concrete, which causes the pull rod to become a disposable consumable material, and the concrete pouring cost is increased.

Chinese patent document CN206173971U describes a reversible single-side formwork tie rod system, in which a formwork is fixed by expansion bolts, and this structure cannot firmly fix the formwork from the inside of the formwork to the outside, and the problem of uneven stress and inconvenient detachment of the reducing sleeve is likely to occur during use, and therefore, improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a positioning device for a side wall template of a pipe gallery, which solves the problems that a pull rod is insufficient in supporting strength, cannot be disassembled or is complicated to disassemble, a working path is low, the pull rod cannot be repeatedly utilized, and energy conservation and environmental protection are not realized in the process of fixing the template.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a template positioning device for a side wall of a pipe gallery comprises a template component and a pull rod, wherein the template component comprises a first template and a second template which are arranged oppositely, the pull rod is arranged on the first template and the second template in a penetrating mode respectively, a sleeve is sleeved on the pull rod and is positioned between the first template and the second template, the sleeve comprises an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder are sleeved, and one side of the inner cylinder is fixedly arranged on the first template;

the outer sides of the first template and the second template are respectively provided with a rotary drum, the rotary drum is sleeved on the pull rod, and the rotary drum is used for providing a rotary support for the pull rod;

the connecting piece is arranged between the pull rod and the sleeve and used for adjusting the length of the sleeve and enabling one side of the outer barrel to abut against the second template.

In a preferred scheme, the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is in threaded connection with one side of the pull rod, the second connecting piece is rotatably arranged on the other side of the pull rod, the outer cylinder is connected with the pull rod through the first connecting piece, and the inner cylinder is connected with the pull rod through the second connecting piece.

In a preferred scheme, the outer cylinder is sleeved on the inner cylinder, the outer cylinder is connected with the inner cylinder through a ratchet structure, two first sliding grooves are arranged in parallel on the inner side of the outer cylinder, a first clamping groove is formed in the end part of each first sliding groove, two second sliding grooves are oppositely arranged on the inner side of the inner cylinder, a second clamping groove is formed in the end part of each second sliding groove, the first connecting piece is clamped in the first clamping groove, and the second connecting piece is clamped in the second clamping groove; one end of the outer cylinder is provided with a first blocking sleeve, one end of the inner cylinder is provided with a second blocking sleeve, and the second blocking sleeve is fixedly connected with the first template.

In a preferred scheme, the ratchet structure comprises a plurality of ratchet grooves and a plurality of pawls which are matched with each other, the ratchet grooves are arranged on the outer side of the inner cylinder along the axial direction of the inner cylinder, the pawls are arranged on the inner side of the outer cylinder along the axial direction of the outer cylinder, and the ratchet grooves are meshed with the pawls.

In an optimized scheme, two first sliding blocks are oppositely arranged on the first connecting piece, the appearance of each first sliding block is matched with the corresponding first sliding groove, two second sliding blocks are oppositely arranged on the second connecting piece, the appearance of each second sliding block is matched with the corresponding second sliding groove, and the two sides of each second sliding block are respectively provided with a retaining ring.

In a preferred scheme, the template assembly further comprises two back ribs, the two back ribs are respectively and oppositely arranged on the outer sides of the first template and the second template, the pull rod penetrates through the back ribs, and the rotary drum is arranged on the back ribs.

In the preferred scheme, the rotary drum includes the clamp plate, and the clamp plate intermediate position is equipped with the heavy groove of second, is equipped with the supporting seat in the heavy groove of second, and the supporting seat is connected with the holder through first lock pin, and evenly distributed has a plurality of balls between holder and the supporting seat, and the ball runs through the outside extension in bottom of holder, and the outside of clamp plate is provided with two second through-holes relatively, wears to be equipped with the second lock pin in the second through-hole, and the clamp plate passes through the second lock pin and is connected with the back of the body rib.

In the preferred scheme, be equipped with first through-hole on the rotary drum, first through-hole runs through the intermediate position that sets up at supporting seat and holder, supporting seat one side is equipped with the step, the bottom of step is supported and is leaned on the second heavy inslot side, the supporting seat opposite side evenly is equipped with a plurality of screw holes, the level volume is practised to screw hole and first lock screw thread, the screw hole outside evenly is equipped with a plurality of recesses, the recess is used for spacing fixed to the ball, one side that the holder is close to the supporting seat evenly is equipped with a plurality of first heavy grooves, the ball is located first heavy inslot, first heavy groove one side is equipped with a plurality of counter bores that are used for installing first lock screw, the quantity of counter bore equals with the quantity of screw hole.

In a preferred scheme, two sides of the pull rod are respectively in threaded connection with fastening nuts, and the two fastening nuts are respectively arranged on the outer side of the rotary drum.

In a preferred scheme, one end of the pull rod is provided with a driving handle, and the driving handle is used for operating the pull rod to rotate.

The utility model has the beneficial effects that: the sleeve is sleeved on the surface of the pull rod, so that the pull rod can be conveniently taken out of a concrete pouring layer after pouring and forming, the method is simple and convenient, the detached pull rod can be repeatedly utilized, and the method is energy-saving and environment-friendly; the sleeve is made by the PVC pipe of low price, when demolising the pull rod after, keeps somewhere the sleeve in the concrete to carry out the slip casting from the perforation and seal, effectively improve the efficiency of pouring and the quality of pouring of rate concrete, reduce construction cost.

According to the utility model, through the adjustability of the length of the sleeve, the two ends of the sleeve are tightly attached to the side wall of the template by rotating the pull rod in the sleeve, so that the accuracy of the distance between the templates is ensured, and the sleeve is suitable for the distance between the templates of construction sections with various specifications, and is widely applied; avoid need cutting out sleeve length again according to on-the-spot template interval, reduce the improper condition of sleeve length between piping lane centre form template and take place, improve adjustability and convenience in the work progress greatly.

Drawings

The utility model is further illustrated by the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the utility model at A shown in FIG. 2;

FIG. 4 is a schematic view of the construction of the sleeve of the present invention;

FIG. 5 is a schematic view of the construction of the first and second connectors of the present invention;

FIG. 6 is a schematic partial cross-sectional view of the interior of the sleeve of the present invention after deployment;

FIG. 7 is a schematic view of the drum construction of the present invention;

FIG. 8 is a schematic elevational view of the bowl of the present invention;

FIG. 9 is a schematic cross-sectional view of a drum B-B of the present invention;

fig. 10 is an exploded schematic view of the drum of the present invention.

In the figure: a template assembly 1; a back rib 101; a first template 102; a second template 103; a pull rod 2; a driving handle 201; a rotating drum 3; a support base 301; a ball 302; a cage 303; a first locking pin 304; a step 305; a first via 306; a groove 307; a threaded hole 308; a counterbore 309; a first sink 310; a pressure plate 311; a second sink 312; a second locking pin 313; a second through-hole 314; a fastening nut 4; a sleeve 5; an outer cylinder 501; an inner barrel 502; a ratchet groove 503; a pawl 504; a first chute 505; a second chute 506; a first card slot 507; a second card slot 508; a first sleeve 509; a second retaining sleeve 510; a first connecting member 6; a first slider 601; a second connecting member 7; a second slider 701; a retainer ring 702; and (6) pouring a concrete layer 8.

Detailed Description

As shown in fig. 1 to 10, a template positioning device for a side wall of a pipe gallery comprises a template assembly 1 and a pull rod 2, wherein the template assembly 1 comprises a first template 102 and a second template 103 which are arranged oppositely, the pull rod 2 is respectively arranged on the first template 102 and the second template 103 in a penetrating manner, a sleeve 5 is sleeved on the pull rod 2, the sleeve 5 is positioned between the first template 102 and the second template 103, the sleeve 5 comprises an outer cylinder 501 and an inner cylinder 502, the outer cylinder 501 is sleeved with the inner cylinder 502, and one side of the inner cylinder 502 is fixedly arranged on the first template 102;

the outer sides of the first template 102 and the second template 103 are respectively provided with a rotary drum 3, the rotary drum 3 is sleeved on the pull rod 2, and the rotary drum 3 is used for providing a rotary support for the pull rod 2;

and a connecting piece is further arranged and arranged between the pull rod 2 and the sleeve 5, and the connecting piece is used for adjusting the length of the sleeve 5 and enabling one side of the outer cylinder 501 to abut against the second template 103. The sleeve 5 is made by the PVC pipe, lead to sleeve 5 and be made by cheap PVC pipe, after demolising pull rod 2, leave sleeve 5 in the concrete, and carry out the slip casting from the perforation and seal, the efficiency of pouring and the pouring quality of rate concrete are effectively improved, reduce construction cost, from this structure, so that pull rod 2 can be at sleeve 5 internalization, and sleeve 5 has guaranteed that template component 1 is fixed the back, can not produce the contact at the in-process that concrete placement layer 8 was pour to pull rod 2, influence taking out of pull rod 2, rotary drum 3 has guaranteed that the atress at operation pull rod 2 rotation in-process is even, and convenient operation.

In a preferable scheme, the connecting piece comprises a first connecting piece 6 and a second connecting piece 7, the first connecting piece 6 is in threaded connection with one side of the pull rod 2, the second connecting piece 7 is rotatably arranged on the other side of the pull rod 2, the outer cylinder 501 is connected with the pull rod 2 through the first connecting piece 6, and the inner cylinder 502 is connected with the pull rod 2 through the second connecting piece 7. By the structure, the second connecting piece 7 is fixed on one side of the pull rod 2, the rotation precision of the pull rod 2 is guaranteed, meanwhile, the first connecting piece 6 can drive the outer cylinder 501 to move towards the direction far away from the inner cylinder 502 until the outer side of the inner cylinder 501 abuts against the second template 103, the positioning precision is high, and the stress is more balanced and stable.

In a preferable scheme, the outer cylinder 501 is sleeved on the inner cylinder 502, the outer cylinder 501 is connected with the inner cylinder 502 through a ratchet structure, two first sliding grooves 505 are arranged in parallel on the inner side of the outer cylinder 501, a first clamping groove 507 is arranged at the end part of the first sliding groove 505, two second sliding grooves 506 are oppositely arranged on the inner side of the inner cylinder 502, a second clamping groove 508 is arranged at the end part of the second sliding groove 506, the first connecting piece 6 is clamped in the first clamping groove 507, and the second connecting piece 7 is clamped in the second clamping groove 508; one end of the outer cylinder 501 is provided with a first retaining sleeve 509, one end of the inner cylinder 502 is provided with a second retaining sleeve 510, and the second retaining sleeve 510 is fixedly connected with the first template 102. From this structure, so that after the pull rod 2 penetrates sleeve 5, thereby can rotate pull rod 2 and go into first draw-in groove 507 and second draw-in groove 508 respectively with first connecting piece 6 and second connecting piece 7 respectively in, it then can drive urceolus 501 to break away from inner tube 502 and remove to second template 103 one side to continue rotatory pull rod 2, the locking is firm, high durability and convenient operation, be equipped with the sealing washer on first spacer 509 and the second spacer 510, make the template subassembly 1 inner wall is hugged closely at sleeve 5 both ends, and block up the perforation on first template 102 and the second template 103, concrete flows along the perforation when preventing to pour.

In a preferred embodiment, the ratchet structure comprises a plurality of ratchet grooves 503 and a plurality of pawls 504 which are mutually matched, the ratchet grooves 503 are axially arranged on the outer side of the inner cylinder 502 along the inner cylinder 502, the pawls 504 are axially arranged on the inner side of the outer cylinder 501 along the outer cylinder 501, and the ratchet grooves 503 and the pawls 504 are engaged and connected. Specifically, the ratchet grooves 503 are provided in a strip shape on the outer wall of the inner cylinder 502, and the height of the highest point of the ratchet grooves 503 is lower than the height of the outer wall of the inner cylinder 502, so that the outer cylinder 501 engaged and connected by the pawls 504 can only move in the axial direction of the inner cylinder 502. Any inclined surface on the ratchet groove 503 is inclined towards the d end d along the c end c of the inner cylinder 502 and gradually increases, so that the outer cylinder 501 can move towards the d end d of the inner cylinder 502 through the pawl 504 and cannot move back towards the c end c of the inner cylinder 502, thereby realizing self-locking. With the structure, the length of the outer cylinder 501 and the inner cylinder 502 can be conveniently adjusted and self-locking can be conveniently carried out, and the self-locking structure is suitable for the template intervals of construction sections with various specifications.

In a preferable scheme, two first sliding blocks 601 are relatively arranged on the first connecting piece 6, the appearance of the first sliding blocks 601 is matched with that of the first sliding grooves 505, two second sliding blocks 701 are relatively arranged on the second connecting piece 7, the appearance of the second sliding blocks 701 is matched with that of the second sliding grooves 506, and two sides of each second sliding block 701 are respectively provided with a retaining ring 702. With the structure, the fixing device is convenient to use, firm in fixing and convenient to mount and dismount.

In a preferred embodiment, the template assembly 1 further includes two back ribs 101, the two back ribs 101 are respectively disposed at the outer sides of the first template 102 and the second template 103, the pull rod 2 is disposed in the back ribs 101, and the drum 3 is disposed on the back ribs 101. With the structure, the rotary drum 3 can be repeatedly used for a plurality of times, and the installation and the disassembly are simple.

In a preferable scheme, the drum 3 includes a pressing plate 311, a second sinking groove 312 is provided at a middle position of the pressing plate 311, a supporting seat 301 is provided in the second sinking groove 312, the supporting seat 301 is connected with a holding frame 303 through a first locking nail 304, a plurality of balls 302 are uniformly distributed between the holding frame 303 and the supporting seat 301, the balls 302 penetrate through the bottom of the holding frame 303 and extend outwards, two second through holes 314 are oppositely provided at an outer side of the pressing plate 311, a second locking nail 313 penetrates through the second through hole 314, and the pressing plate 311 is connected with the back rib 101 through the second locking nail 313. With the structure, the retainer 303 can rotate around the axis of the pull rod 2, so that the friction force of the pull rod 2 during rotation is small, and the operation is more convenient.

In a preferable scheme, a first through hole 306 is formed in the drum 3, the first through hole 306 is arranged at the middle position between the support base 301 and the holder 303 in a penetrating manner, a step 305 is arranged on one side of the support base 301, the bottom of the step 305 abuts against the inner side of the second sunken groove 312, a plurality of threaded holes 308 are uniformly formed in the other side of the support base 301, threaded holes 308 and thread refining amounts of the first locking nails 304 are uniformly formed in the outer side of the threaded holes 308, a plurality of grooves 307 are uniformly formed in the outer side of the threaded holes 308, the grooves 307 are used for limiting and fixing the balls 302, a plurality of first sunken grooves 310 are uniformly formed in one side of the holder 303 close to the support base 301, the balls 302 are located in the first sunken grooves 310, a plurality of counterbores 309 used for mounting the first locking nails 304 are formed in one side of the first sunken grooves 310, and the number of the counterbores 309 is equal to the number of the threaded holes 308. The structure is convenient to use and can be adjusted according to requirements.

In a preferred scheme, two fastening nuts 4 are respectively connected to two sides of the pull rod 2 in a threaded manner, and the two fastening nuts 4 are respectively arranged on the outer side of the rotary drum 3. By the structure, the stability of the pull rod 2 in rotation is guaranteed, the adjusting precision is high, and the using effect is good.

In a preferred scheme, one end of the pull rod 2 is provided with a driving handle 201, and the driving handle 201 is used for operating the pull rod 2 to rotate. With the structure, the operation of rotating the pull rod 2 is more convenient.

The working principle is as follows:

the first sliding groove 505 is arranged at a port a of the outer cylinder 501, the first sliding groove 505 extends inwards from the port a along the axial direction of the outer cylinder 501, and the extending depth is the distance between the port a and a port c of the inner cylinder 502 when the inner cylinder 502 is sleeved in the cavity of the outer cylinder 501; after the first sliding block 601 is extended to a predetermined depth, the first sliding block is extended to one side along the circumferential direction of the outer cylinder 501 by a corresponding length to form a first clamping groove 507 for clamping the first sliding block therein.

The second sliding groove 506 is arranged at a port c of the inner cylinder 502, the second sliding groove 506 extends inwards from the port c along the axial direction of the inner cylinder 502, and the extending depth is the distance between the first connecting piece 6 and the second connecting piece 7 in the initial state; after extending to a predetermined depth, the second slide block 701 extends to one side along the circumferential direction of the inner cylinder 502 by a corresponding length to form a second slot 5061 for allowing the second slide block 701 to be engaged therein. Wherein the first card slot 507 and the second card slot 508 extend in the same direction.

In an initial state, the d port of the inner cylinder 502 is fixed on the inner sidewall of the first template 102 by a bolt and aligned with the through hole on the first template 102, the c port of the inner cylinder 502 is sleeved inside the outer cylinder 501, and at this time, the b port of the outer cylinder 501 abuts against the d port of the inner cylinder 502.

When the pull rod 2 is installed, after the end of the pull rod 2 penetrates along the second template 103, the end penetrates from the port a of the outer cylinder 501, and when the second slider 701 on the second connecting piece 7 slides into the second sliding groove 506, the first slider 601 on the first connecting piece 6 slides into the first sliding groove 505, and when the second slider 701 slides to the bottom end of the second sliding groove 506, the first slider 601 also slides to the bottom end of the first sliding groove 505; at this time, the end of the tie rod 2 can pass through the d-port of the inner cylinder 502 and penetrate the first template 102.

The pull rod 2 is rotated through the turntable 201, so that the second slide block 701 is clamped in the second clamping groove 5061, and the first slide block 601 is clamped in the first clamping groove 507; the pull rod 2 is continuously rotated along the same direction, so that the first sliding block 601 axially moves towards one side of the rotary table 201 along the pull rod 2 under the action of the thread structure, and because the inner cylinder 502 and the outer cylinder 501 only can axially move under the action of the ratchet structure arranged on the sleeve 5, under the fixed condition of the inner cylinder 502, the outer cylinder 501 can be driven by the first connecting block to move to a state of abutting against the inner side wall of the second template 103, and the installation of the sleeve 5 is completed.

In operation, because the d port of the inner cylinder 502 is fixed on the inner side wall of the first template 102 by the bolt, and the outer cylinder 501 can only move along the axial direction of the inner cylinder 502, so that the first connecting piece 6 and the second connecting piece 7 which are connected to the outer cylinder 501 and the inner cylinder 502 can not rotate, so that when the pull rod 2 is rotated, the external thread of the first connecting piece 6 on the pull rod 2 moves along the axial direction thereof, and by pulling apart the distance between the first connecting piece 6 and the second connecting piece 7, the outer cylinder 501 moves towards one side of the second template 103, and the first blocking sleeve 509 at the port of the outer cylinder 501a is tightly attached to the inner wall of the second template 103, and then the positioning device is fixed by the fastening nut 4, thereby completing the installation of the positioning device.

After the installation is completed, the work of pouring the concrete pouring layer 8 can be performed between the left second template 103, after the pouring forming, the fastening nut 4 is removed, the pull rod 2 is rotated in the opposite direction, the first sliding block 601 on the first connecting piece 6 is separated from the first clamping groove 507, the second sliding block 701 on the second connecting piece 7 is separated from the second clamping groove 508, and the first sliding block and the second sliding groove 506 are respectively slid out along the first annular groove and the second sliding groove, so that the pull rod 2 can be taken out from the concrete pouring layer 8, the operation is simple and convenient, the pull rod 2 after being dismantled can be repeatedly utilized for many times, and the energy conservation and the environmental protection are realized.

After the pull rod 2 is dismantled, the sleeve 5 is left in the concrete and sealed by grouting from the perforated hole, so that the pouring efficiency and the pouring quality of the concrete are effectively improved, and the building cost is reduced. Through adopting above-mentioned technical scheme, avoided needing to tailor 5 length of sleeve again according to on-the-spot template interval, reduced the improper condition of 5 length of sleeve takes place between the template in the piping lane, improves adjustability and convenience in the work progress greatly.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a be used for piping lane side wall template positioner, characterized by: the template component comprises a template component (1) and a pull rod (2), wherein the template component (1) comprises a first template (102) and a second template (103) which are arranged oppositely, the pull rod (2) penetrates through the first template (102) and the second template (103) respectively, a sleeve (5) is sleeved on the pull rod (2), the sleeve (5) is positioned between the first template (102) and the second template (103), the sleeve (5) comprises an outer cylinder (501) and an inner cylinder (502), the outer cylinder (501) and the inner cylinder (502) are sleeved, and one side of the inner cylinder (502) is fixedly arranged on the first template (102);

the outer sides of the first template (102) and the second template (103) are respectively provided with a rotary drum (3), the rotary drum (3) is sleeved on the pull rod (2), and the rotary drum (3) is used for providing rotary support for the pull rod (2);

the connecting piece is arranged between the pull rod (2) and the sleeve (5) and used for adjusting the length of the sleeve (5) and enabling one side of the outer barrel (501) to abut against the second template (103).

2. The device for positioning the template of the side wall of the pipe gallery according to claim 1, characterized in that: the connecting piece includes first connecting piece (6) and second connecting piece (7), and first connecting piece (6) threaded connection is in one side of pull rod (2), and second connecting piece (7) rotate the opposite side that sets up at pull rod (2), and urceolus (501) are connected through first connecting piece (6) and pull rod (2), and inner tube (502) are connected through second connecting piece (7) and pull rod (2).

3. The device for positioning the template of the side wall of the pipe gallery according to claim 2, characterized in that: the outer cylinder (501) is sleeved on the inner cylinder (502), the outer cylinder (501) is connected with the inner cylinder (502) through a ratchet structure, two first sliding grooves (505) are arranged on the inner side of the outer cylinder (501) in parallel, a first clamping groove (507) is formed in the end portion of each first sliding groove (505), two second sliding grooves (506) are oppositely arranged on the inner side of the inner cylinder (502), a second clamping groove (508) is formed in the end portion of each second sliding groove (506), the first connecting piece (6) is clamped in the first clamping groove (507), and the second connecting piece (7) is clamped in the second clamping groove (508); one end of the outer cylinder (501) is provided with a first blocking sleeve (509), one end of the inner cylinder (502) is provided with a second blocking sleeve (510), and the second blocking sleeve (510) is fixedly connected with the first template (102).

4. The device for positioning the template of the side wall of the pipe gallery according to claim 3, characterized in that: the ratchet structure comprises a plurality of ratchet grooves (503) and a plurality of pawls (504) which are matched with each other, the ratchet grooves (503) are axially arranged on the outer side of the inner cylinder (502) along the inner cylinder (502), the pawls (504) are axially arranged on the inner side of the outer cylinder (501) along the outer cylinder (501), and the ratchet grooves (503) and the pawls (504) are meshed and connected.

5. The device for positioning the template of the side wall of the pipe gallery according to claim 3, characterized in that: the first connecting piece (6) is relatively provided with two first sliding blocks (601), the appearance of the first sliding blocks (601) is matched with the first sliding groove (505), the second connecting piece (7) is relatively provided with two second sliding blocks (701), the appearance of the second sliding blocks (701) is matched with the second sliding groove (506), and two sides of the second sliding blocks (701) are respectively provided with a retainer ring (702).

6. The device for positioning the template of the side wall of the pipe gallery according to claim 1, characterized in that: the template component (1) further comprises two back ribs (101), the two back ribs (101) are respectively and oppositely arranged on the outer sides of the first template (102) and the second template (103), the pull rod (2) penetrates through the back ribs (101), and the rotary drum (3) is arranged on the back ribs (101).

7. The device for positioning the template of the side wall of the pipe gallery according to claim 6, wherein: the rotary drum (3) comprises a pressing plate (311), a second sinking groove (312) is formed in the middle of the pressing plate (311), a supporting seat (301) is arranged in the second sinking groove (312), the supporting seat (301) is connected with a holding frame (303) through a first locking nail (304), a plurality of balls (302) are uniformly distributed between the holding frame (303) and the supporting seat (301), the balls (302) penetrate through the bottom of the holding frame (303) and extend outwards, two second through holes (314) are formed in the outer side of the pressing plate (311) relatively, a second locking nail (313) is arranged in each second through hole (314), and the pressing plate (311) is connected with a back rib (101) through the second locking nail (313).

8. The device for positioning the template of the side wall of the pipe gallery according to claim 7, wherein: the novel rotary drum is characterized in that a first through hole (306) is formed in the rotary drum (3), the first through hole (306) penetrates through the middle position of the support seat (301) and the retainer (303), a step (305) is arranged on one side of the support seat (301), the bottom of the step (305) is abutted against the inner side of a second sunk groove (312), a plurality of threaded holes (308) are uniformly formed in the other side of the support seat (301), threaded holes (308) and first lock pins (304) are used for thread tightening, a plurality of grooves (307) are uniformly formed in the outer side of the threaded holes (308), the grooves (307) are used for limiting and fixing the balls (302), a plurality of first sunk grooves (310) are uniformly formed in one side, close to the support seat (301), the balls (302) are located in the first sunk grooves (310), a plurality of counter bores (309) used for installing the first lock pins (304) are formed in one side of the first sunk grooves (310), and the number of the counter bores (309) is equal to the number of the threaded holes (308).

9. The device for positioning the template of the side wall of the pipe gallery according to claim 1, characterized in that: two sides of the pull rod (2) are respectively in threaded connection with fastening nuts (4), and the two fastening nuts (4) are respectively arranged on the outer side of the rotary drum (3).

10. The device for positioning the template of the side wall of the pipe gallery according to claim 1, characterized in that: one end of the pull rod (2) is provided with a driving handle (201), and the driving handle (201) is used for operating the pull rod (2) to rotate.