CN211682851U - A mortar mixing and conveying device - Google Patents

Abstract

The utility model relates to the technical field of construction machinery, in particular to a mortar stirring and conveying device. The mortar stirring and conveying device provided by the utility model comprises a mounting frame, a stirring mechanism, a conveying mechanism and a quick release mechanism. The stirring mechanism is erected on the mounting frame, and the stirring mechanism is used to hold and stir the mortar. The bottom of the stirring mechanism is provided with an opening facing downward. The outlet of the barrel; the conveying mechanism is communicated with the stirring mechanism through the outlet of the barrel, and is used to transport the slurry stirred by the stirring mechanism; the stirring mechanism is detachably and fixedly connected to the conveying mechanism through the quick release mechanism. The mortar stirring and conveying device can realize the quick disassembly and assembly of the barrel mechanism and the conveying mechanism by adopting the quick disassembly mechanism, which facilitates the internal cleaning of the barrel mechanism and the conveying mechanism respectively, thereby preventing the phenomenon of mortar blocking the pump and improving the work efficiency.

Description

A mortar mixing and conveying device

technical field

The utility model relates to the technical field of construction machinery, in particular to a mortar stirring and conveying device.

Background technique

Mortar is a paste-like mixture formed by mixing cement, lime, gypsum and other cementitious materials with water. It is mainly used for plastering or grouting in the construction field. Since the mortar is easy to react with air and solidify in a short time after the completion of stirring, in the existing mortar stirring device, a pressure pump is usually required to facilitate the delivery of the mortar. However, if the pressure pump is used for pumping, it is easy to make the cleaning of the barrel and the pressure pump difficult. Over time, the solidification of the mortar will easily cause the phenomenon of blocking the pump, which makes the mortar stirring device work discontinuously and the work efficiency is low.

Therefore, there is an urgent need for a new type of mortar stirring and conveying device to solve the above problems.

Utility model content

The purpose of the utility model is to provide a mortar stirring and conveying device to solve the problem of difficulty in cleaning the mortar stirring device in the prior art.

To achieve the above purpose, the following technical solutions are provided:

A mortar stirring and conveying device, comprising:

Mount;

The stirring mechanism is erected on the mounting frame, the stirring mechanism is used to hold and stir the mortar, and the bottom of the stirring mechanism is provided with a material barrel discharge port with an opening facing downward;

a conveying mechanism, which is communicated with the stirring mechanism through the discharge port of the barrel, and is used for conveying the slurry stirred by the stirring mechanism;

A quick release mechanism, the stirring mechanism is detachably and fixedly connected with the conveying mechanism through the quick release mechanism.

As a preferred solution of the mortar stirring and conveying device, the conveying mechanism includes:

a material silo, the material silo is provided with a conveying inlet and a conveying outlet, and the conveying inlet is communicated with the stirring mechanism;

a feeding assembly, arranged on the silo, for pushing the mortar in the silo to the conveying outlet;

As a preferred solution of the mortar stirring and conveying device, the conveying mechanism includes: the silo includes:

an upper cover, the conveying and feeding port is arranged on the upper cover;

The lower casing is provided with an accommodating cavity for accommodating the mortar, and the upper cover is detachably mounted on the lower casing.

As a preferred solution of the mortar stirring and conveying device, a sealing gasket is arranged in the middle of the assembling surface between the upper cover and the lower casing.

As a preferred solution of the mortar stirring and conveying device, the lower shell includes:

an abdominal shell, which is a shell structure with openings at both ends, and the conveying and discharging port is arranged at the bottom of the abdominal shell;

a first end cover, detachably mounted on one end of the abdominal shell;

A second end cap is detachably mounted on the other end of the abdominal shell.

As a preferred solution of the mortar stirring and conveying device, the conveying mechanism further includes a discharge port sealing component, which can open or close the conveying discharge port;

The outlet sealing assembly includes:

A sealing cover is movably arranged on the silo to open or close the delivery outlet.

As a preferred solution of the mortar stirring and conveying device, the feeding component includes:

a screw rod, which is rotatably arranged in the silo;

A feeding driving member, the driving end of which is fixedly connected with the screw rod, and the feeding driving member can drive the screw rod to rotate so as to push the mortar in the silo to the conveying and discharging port.

As a preferred solution of the mortar stirring and conveying device, the stirring mechanism includes:

a barrel, used to hold the mortar, the outlet of the barrel is arranged at the bottom of the barrel with the opening facing downward;

The stirring component is arranged on the barrel, and is used for stirring the mortar in the barrel.

As a preferred solution of the mortar stirring and conveying device, the stirring assembly includes:

a mounting plate, mounted on the barrel;

a stirring element, the first end of which is rotatably mounted on the mounting plate, and the second end of which can extend into the material barrel and can push the mortar to move downward;

The stirring driving member is arranged on the mounting plate, and the driving end of the stirring driving member is fixedly connected with the first end of the stirring member, so as to drive the stirring member to stir the mortar.

As a preferred solution of the mortar stirring and conveying device, the barrel includes a cylindrical portion and a conical portion, the conical portion is disposed at the lower end of the cylindrical portion and communicates with the cylindrical portion, and the barrel The discharge port is arranged at the lower end of the cone portion.

As a preferred solution of the mortar stirring and conveying device, the mounting frame includes;

base;

uprights, a plurality of the uprights are fixedly arranged on the base at intervals;

The supporting ring is fixedly arranged on the plurality of the uprights, the diameter of the supporting ring is smaller than the diameter of the cylindrical portion of the material cylinder, and the conical cylindrical portion of the material cylinder is erected on the supporting ring.

As a preferred solution of the mortar stirring and conveying device, the discharge port of the barrel is provided with a first mounting flange, the conveying and feeding port is provided with a second mounting flange, and the quick release mechanism includes:

The type clamp includes a first support arm and a second support arm that are oppositely arranged and connected, and the first mounting flange and the second mounting flange can both be located on the first support arm and the second support arm. between the two arms;

A locking piece is screwed on one of the first support arm and the second support arm, and the first mounting flange or the second mounting flange can be made by screwing the locking piece abutting against the other of the first support arm and the second support arm;

The ratchet wrench can be matched with the locking member, and reciprocating rotation of the ratchet wrench can make the locking member rotate.

Compared with the prior art, the beneficial effects of the present utility model are:

The mortar stirring and conveying device provided by the utility model comprises an installation frame, a stirring mechanism, a conveying mechanism and a quick release mechanism. The stirring mechanism is erected on the installation frame, and the stirring mechanism is used to hold and stir the mortar. The bottom of the stirring mechanism is provided with a barrel outlet with an opening facing downward; the conveying mechanism is communicated with the stirring mechanism through the barrel outlet, which is used for conveying The slurry stirred by the stirring mechanism; the stirring mechanism is detachably and fixedly connected with the conveying mechanism through the quick release mechanism. The mortar stirring and conveying device can realize the quick disassembly and assembly of the barrel mechanism and the conveying mechanism by adopting the quick disassembly mechanism, which facilitates the internal cleaning of the barrel mechanism and the conveying mechanism respectively, thereby preventing the phenomenon of mortar blocking the pump and improving the work efficiency.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only of the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to the contents of the embodiments of the present invention and these drawings without creative efforts.

1 is a schematic structural diagram of a mortar stirring and conveying device provided by an embodiment of the present utility model;

Fig. 2 is the enlarged view of A place in Fig. 1;

3 is a schematic structural diagram of a quick release mechanism provided by an embodiment of the present invention;

4 is an exploded schematic view of a barrel mechanism provided by an embodiment of the present invention;

FIG. 5 is an exploded schematic diagram of the conveying mechanism provided by the embodiment of the present invention.

Reference number:

1-mounting frame; 11-base; 12-post; 13-support ring;

2- Stirring mechanism; 21- Barrel; 211- Barrel outlet; 211- First mounting flange; 22- Mounting plate; 23- Stirring piece; 231- Stirring blade; 24- Stirring driving piece; 25- Lifting hand;

3-conveying mechanism; 31-upper cover; 311-conveying inlet; 3111-second mounting flange; 312-conveying outlet; 32-lower shell; 321-belly shell; 322-first end cover; 323-Second end cover; 33-Screw rod; 34-Feed drive; 35-Sealing cover; 36-Sealing cover drive; 37-Gasket; 38-Sealing ring;

4- Quick release mechanism; 41- Clamp; 42- Locking piece; 43- Ratchet wrench.

Detailed ways

In order for those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

In the description of the present invention, it should be noted that the orientations indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. Or the positional relationship is based on the orientation or positional relationship shown in the attached drawings, or the orientation or positional relationship that is usually placed when the product is used, is only for the convenience of describing the present invention, rather than indicating or implying the device or element. It must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only or to distinguish different structures or components, and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIGS. 1-2 , this embodiment provides a mortar stirring and conveying device, including a mounting frame 1 , a stirring mechanism 2 , a conveying mechanism 3 and a quick-release mechanism 4 . The stirring mechanism 2 is erected on the mounting frame 1. The stirring mechanism 2 is used to hold and stir the mortar. The bottom of the stirring mechanism 2 is provided with a barrel outlet 211 with an opening facing downward; the conveying mechanism 3 communicates with the stirring mechanism through the barrel outlet 211. The mechanism 2 communicates with each other and is used for conveying the slurry stirred by the stirring mechanism 2; the stirring mechanism 2 is communicated with the conveying mechanism 3 through the quick disassembly mechanism 4, so as to realize rapid disassembly and assembly. The mortar stirring and conveying device can realize the quick disassembly and assembly of the barrel mechanism 2 and the conveying mechanism 3 by adopting the quick disassembly mechanism 4, so as to facilitate the internal cleaning of the barrel mechanism 2 and the conveying mechanism 3 respectively, so as to prevent the phenomenon of mortar blocking the pump. Improve work efficiency.

Preferably, as shown in FIG. 2 in conjunction with FIG. 5 , the conveying mechanism 3 includes a silo and a feeding assembly. The silo is provided with a conveying inlet 311 and a conveying outlet 312 , and the conveying inlet 311 passes through the outlet of the barrel. 211 is communicated with the stirring mechanism 2; the feeding component is used to push the mortar in the silo to the conveying and discharging port 312, so as to feed the mortar.

Further, the silo of the conveying mechanism 3 is arranged at an angle with the horizontal plane, and the conveying inlet 311 on it is upward, and the conveying outlet 312 is arranged downward, so that the mortar in the silo flows to the conveying direction under the action of gravity. Outlet 312.

Preferably, as shown in FIG. 2 in conjunction with FIG. 1 , the barrel mechanism 2 includes a barrel 21 , which is used for accommodating the mortar. The barrel 21 includes a cylindrical portion and a conical portion, and the conical portion is provided on the cylindrical portion. The lower end of the cone is communicated with the cylindrical portion, and the discharge port 211 of the barrel is arranged at the lower end of the conical cylindrical portion.

Further, the barrel 21 is erected on the mounting frame 1, and the barrel discharge port 211 on it is suspended downwards, and the mortar in the barrel 21 enters the silo through the feeding inlet 311 under the action of gravity, and is transported from the feeding port 311. The discharge port 312 is discharged. Specifically, in the mortar stirring and conveying device, the barrel 21 and the silo are erected on the mounting frame 1 and placed at a high point, and then the mortar is conveyed by gravity without using a pressure pump for feeding. The cartridge 21 is cleaned.

Preferably, as shown in FIG. 1 , the mounting frame 1 includes a base 11 , a column 12 and a supporting ring 13 , and the plurality of columns 12 are fixedly arranged on the base 11 at intervals; the supporting ring 13 is fixedly arranged on the plurality of columns 12 , and the supporting ring 13 The diameter of the barrel 21 is smaller than the diameter of the cylindrical portion of the barrel 21 , and the conical portion of the barrel 21 is erected on the support ring 13 , so that the barrel 21 is erected on the mounting frame 1 .

Exemplarily, the number of the uprights 12 is three, the three uprights 12 are arranged in a triangle, the support ring 13 is welded and fixed to the three uprights 13 , and the material cylinder 21 is erected on the support ring 13 .

Preferably, as shown in FIG. 2 , the discharge port 211 of the barrel is provided with a first mounting flange 2111 , and the feeding port 311 is provided with a second mounting flange 3111 , and the quick release mechanism 4 can The flange 2111 and the second installation flange 3111 are fixedly connected to realize the installation of the conveying inlet 311 on the outlet 211 of the barrel, so that the mortar in the barrel 21 can flow out from the outlet 211 of the barrel and flow out from the outlet 211 of the conveying inlet. The material port 311 enters the silo, and is finally discharged through the conveying material outlet 312 .

Optionally, as shown in FIG. 3 in conjunction with FIG. 2 , the quick release mechanism 4 includes a recessed clip 41 and a locking member 42, and the recessed clip 41 includes a first support arm and a second support arm that are connected, and the first installation The flange 2111 and the second mounting flange 3111 are located between the first support arm and the second support arm; the locking member 42 is threadedly connected to one of the first support arm or the second support arm, by screwing the locking member 42 The first mounting flange 2111 or the second mounting flange 3111 can be abutted on the other of the first support arm and the second support arm.

Exemplarily, the locking member 42 is threadedly connected to the first support arm. When the locking member 42 is screwed, the locking member 42 can abut against the upper surface of the first mounting flange 2111, and make the first mounting method The flange 2111 is in close contact with the second mounting flange 3111 and makes the second mounting flange 3111 abut against the second support arm, finally realizing the fixed connection between the first mounting flange 2111 and the second mounting flange 3111 .

Further, the quick release mechanism 4 also includes a ratchet wrench 43 for screwing the locking member 42. The ratchet wrench 43 can be rotated back and forth to make the locking member 42 rotate, and the end face of the first mounting flange 2111 can be quickly reciprocated through the ratchet wrench 43. It is locked with the end face of the second mounting flange 3111, that is, the barrel mechanism 2 and the conveying mechanism 3 are quickly assembled or disassembled.

In other embodiments, the quick release mechanism 4 may also be a quick clamp or a quick release shaft, both of which can realize the rapid assembly and disassembly of the barrel mechanism 2 and the conveying mechanism 3 .

As shown in FIG. 4 , the stirring mechanism 2 further includes a stirring component for stirring the mortar in the barrel 21 . Preferably, the stirring assembly includes a mounting plate 22 , a stirring member 23 and a stirring driving member 24 . The mounting plate 22 is mounted on the barrel 21 , and specifically, the mounting plate 22 is mounted on the upper end surface of the cylindrical portion of the barrel 21 . The first end of the stirring member 23 is rotatably mounted on the mounting plate 22 , and the second end thereof can extend into the material barrel 21 . The stirring and driving member 24 is arranged on the mounting plate 22, and the driving end of the stirring and driving member 24 is fixedly connected with the first end of the stirring member 23, so as to drive the stirring member 23 to stir the mortar.

Further, a stirring blade 231 is provided at the second end of the stirring member 23 , and a plurality of stirring blades 231 are arranged at intervals along the rotation direction of the stirring member 23 . When the stirring member 24 drives the stirring member 23 to drive the stirring blade 231 to rotate, the stirring blade 231 can not only stir the mortar, but also provide a certain thrust, so that the mortar can quickly flow into the conveying mechanism 3 from the discharge port 211 of the barrel .

Exemplarily, the number of stirring blades 231 is three, and the three stirring blades 231 are uniformly arranged at the second end of the stirring member 23 along the rotation direction of the stirring member 23 .

Preferably, the stirring blade 231 is a curved stirring blade, so as to increase the thrust of the stirring blade 231 on the mortar.

Optionally, the stirring mechanism 2 further includes a handle 25 , and the two handles 25 are symmetrically arranged on the upper end of the material barrel 21 to facilitate the staff to lift the material barrel 21 .

Preferably, as shown in FIG. 5 , the silo includes an upper cover 31 and a lower casing 32 , the conveying inlet 311 is provided on the upper cover 31 , the lower casing 32 is provided with a accommodating cavity for accommodating the mortar, and the upper cover 31 is detachably mounted on the lower case 32 . The lower shell 32 and the upper cover 31 are detachably assembled into a silo, so that the upper cover 31 and the lower shell 32 can be cleaned respectively, and the solidification of the mortar can be prevented from blocking the discharge port.

Further, a sealing gasket 37 is disposed in the middle of the assembly surface between the upper cover 31 and the lower casing 32 to prevent leakage of mortar when the conveying mechanism 3 is in operation.

Preferably, the lower shell 32 includes a belly shell 321, a first end cover 322 and a second end cover 323, the belly shell 321 is a shell structure with two ends open, and the delivery outlet 312 is provided at the bottom of the belly shell 321; One end cover 322 is detachably mounted on one end of the abdominal shell 321 ; the second end cover 323 is detachably mounted on the other end of the abdominal shell 322 . The abdominal shell 321 , the first end cover 322 and the second end cover 323 are detachably assembled to form the lower shell 32 , thereby facilitating the cleaning of the interior of the lower shell 32 and improving the cleaning efficiency.

Further, a sealing ring is provided in the middle of the assembly surface between the first end cover 322 and the abdominal shell 321 , and a sealing ring 38 is disposed in the middle of the assembly surface between the second end cover 323 and the abdominal shell 321 to prevent mortar leakage.

Illustratively, the abdominal shell 321 is a U-shaped shell.

Preferably, the feeding assembly includes a screw rod 33 and a feeding driving member 34 , the screw rod 33 is rotatably disposed in the material bin, the driving end of the feeding driving member 34 is fixedly connected with the screw rod 33 , and the feeding driving member 34 can drive the screw rod 33 Rotate to push the mortar in the silo to the delivery outlet 312 .

Illustratively, the feed drive 34 is a motor.

Illustratively, the feed assembly is an auger conveyor.

Preferably, the conveying mechanism 3 further includes a discharge port sealing component, which can open or close the conveying discharge port 312. When mortar slurry is required, the delivery outlet 312 is opened through the outlet sealing component, and when the mortar slurry is not needed, the delivery outlet 312 is closed through the outlet sealing component.

Exemplarily, the outlet sealing assembly includes a sealing cover 35 and a sealing cover driving member 36, the sealing cover 35 is movably arranged on the silo, the driving end of the sealing cover driving member 36 is fixedly connected with the sealing cover 35, and the sealing cover driving member 36 can drive the sealing cover 35 to move to open or close the delivery outlet 312 .

Specifically, the lower end of the abdominal shell 321 is provided with a bracket, the sealing cover driving member 36 is arranged on the bracket, the driving end of the sealing cover driving member 36 is fixedly connected with the sealing cover 35, and the sealing cover driving member 36 can drive the sealing cover 35 along a straight line Movement to close or open the delivery spout 312 . Illustratively, the sealing cap driver 36 is an electric push rod.

Exemplarily, the outlet end of the delivery outlet 312 is flat, the sealing cover 35 is flat, and the sealing cover driving member 36 drives the sealing cover 35 to move below the delivery outlet 312 and closes the delivery outlet 312 , to prevent the mortar slurry in the lower casing 32 from being discharged.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made to those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present utility model has been described in detail through the above embodiments, the present utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present utility model. Rather, the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A mortar agitating and conveying apparatus, comprising:

a mounting frame (1);

the stirring mechanism (2) is erected on the mounting rack (1), the stirring mechanism (2) is used for containing and stirring mortar, and a charging barrel discharging port (211) with a downward opening is formed in the bottom of the stirring mechanism (2);

the conveying mechanism (3) is communicated with the stirring mechanism (2) through the charging barrel discharge port (211) and is used for conveying the slurry stirred by the stirring mechanism (2);

the stirring mechanism (2) is detachably and fixedly connected with the conveying mechanism (3) through the quick-release mechanism (4).

2. Mortar mixing and conveying device according to claim 1, characterized in that said conveying means (3) comprise:

the feed bin is provided with a conveying feed inlet (311) and a conveying discharge outlet (312), and the conveying feed inlet (311) is communicated with the stirring mechanism (2);

the feeding assembly is arranged on the bin and used for pushing mortar in the bin to the conveying discharge port (312).

3. The mortar mixing conveyor of claim 2, wherein the silo comprises:

the upper cover (31), the conveying feed inlet (311) is arranged on the upper cover (31);

a lower case (32) provided with a receiving chamber for receiving mortar, the upper cover (31) being detachably mounted on the lower case (32);

the lower case (32) includes:

the belly shell (321) is of a shell structure with two open ends, and the conveying discharge port (312) is arranged at the bottom of the belly shell (321);

a first end cap (322) removably mounted at one end of the ventral shell (321);

a second end cap (323) removably mounted to the other end of the ventral shell (321).

4. Mortar mixing and conveying device according to claim 2, characterized in that said conveying means (3) further comprise a spout sealing assembly able to open or close said conveying spout (312);

the discharge port seal assembly includes:

a sealing cover (35) movably disposed on the bin to open or close the delivery spout (312).

5. The mortar mixing feed apparatus of claim 2, wherein the feed assembly comprises:

a screw rod (33) rotatably disposed within the bin;

the driving end of the feeding driving part (34) is fixedly connected with the screw rod (33), and the feeding driving part (34) can drive the screw rod (33) to rotate so as to push mortar in the storage bin to the conveying discharge hole (312).

6. Mortar mixing and conveying device according to claim 1, characterized in that said mixing means (2) comprise:

the device comprises a material cylinder (21) for containing mortar, wherein a material outlet (211) of the material cylinder is arranged at the bottom of the material cylinder (21) and the opening of the material outlet is downward;

and the stirring assembly is arranged on the charging barrel (21) and is used for stirring the mortar in the charging barrel (21).

7. Mortar mixing and conveying device according to claim 6, characterized in that said mixing assembly comprises:

a mounting plate (22) mounted on the cartridge (21);

a stirring member (23) which is rotatably mounted on the mounting plate (22) at a first end and is capable of extending into the barrel (21) at a second end and pushing the mortar to move downwards;

the stirring driving piece (24) is arranged on the mounting plate (22), and the driving end of the stirring driving piece (24) is fixedly connected with the first end of the stirring piece (23) to drive the stirring piece (23) to stir mortar.

8. The mortar mixing and conveying apparatus according to claim 6, wherein the barrel (21) comprises a cylindrical portion and a tapered barrel portion provided at a lower end of the cylindrical portion and communicating with the cylindrical portion, and the barrel discharge port (211) is provided at a lower end of the tapered barrel portion.

9. Mortar mixing and conveying device according to claim 7, characterized in that said mounting frame (1) comprises:

a base (11);

the upright columns (12), a plurality of upright columns (12) are fixedly arranged on the base (11) at intervals;

the support ring (13) is fixedly arranged on the plurality of columns (12), the diameter of the support ring (13) is smaller than that of the cylindrical part of the charging barrel (21), and the conical cylindrical part of the charging barrel (21) is erected on the support ring (13).

10. The mortar mixing and conveying device according to claim 2, wherein a first mounting flange (2111) is arranged on the barrel discharge port (211), a second mounting flange (3111) is arranged on the conveying feed port (311), and the quick release mechanism (4) comprises:

a T-clamp (41) comprising a first arm and a second arm oppositely arranged and connected, the first mounting flange (2111) and the second mounting flange (3111) being positionable between the first arm and the second arm;

a retaining member (42) threadably coupled to one of the first arm and the second arm, the first mounting flange (2111) or the second mounting flange (3111) being capable of abutting the other of the first arm and the second arm by twisting the retaining member (42);

a ratchet wrench (43) engageable with the retaining member (42), reciprocating rotation of the ratchet wrench (43) causing rotation of the retaining member (42).

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